CA2010563A1 - Integrated gasoline dispenser and pos authorization system with unattached pin pad - Google Patents
Integrated gasoline dispenser and pos authorization system with unattached pin padInfo
- Publication number
- CA2010563A1 CA2010563A1 CA002010563A CA2010563A CA2010563A1 CA 2010563 A1 CA2010563 A1 CA 2010563A1 CA 002010563 A CA002010563 A CA 002010563A CA 2010563 A CA2010563 A CA 2010563A CA 2010563 A1 CA2010563 A1 CA 2010563A1
- Authority
- CA
- Canada
- Prior art keywords
- pin
- customer
- receiving
- data
- pos
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
- G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
- G07F7/10—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means together with a coded signal, e.g. in the form of personal identification information, like personal identification number [PIN] or biometric data
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F13/00—Coin-freed apparatus for controlling dispensing or fluids, semiliquids or granular material from reservoirs
- G07F13/02—Coin-freed apparatus for controlling dispensing or fluids, semiliquids or granular material from reservoirs by volume
- G07F13/025—Coin-freed apparatus for controlling dispensing or fluids, semiliquids or granular material from reservoirs by volume wherein the volume is determined during delivery
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
- G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
- G07F7/10—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means together with a coded signal, e.g. in the form of personal identification information, like personal identification number [PIN] or biometric data
- G07F7/1025—Identification of user by a PIN code
- G07F7/1058—PIN is checked locally
- G07F7/1066—PIN data being compared to data on card
Abstract
ABSTRACT OF THE INVENTION
In a gasoline dispenser system, a dispenser head includes a PIN PAD for permitting a customer to privately enter their personal Identification Number into the PIN PAD at a location remote from the dispenser head, for permitting the PIN number to be transmitted to a receiver in the dispenser head, for processing via a point-of-sale authorization controller, to either authorize or deny a transaction between the customer and associated service station.
In a gasoline dispenser system, a dispenser head includes a PIN PAD for permitting a customer to privately enter their personal Identification Number into the PIN PAD at a location remote from the dispenser head, for permitting the PIN number to be transmitted to a receiver in the dispenser head, for processing via a point-of-sale authorization controller, to either authorize or deny a transaction between the customer and associated service station.
Description
2010rj63 INTEGRATED GASOLINE DISPENSER AND POS AUTHORIZATION SYSTEM WITH
UNATTACHED PIN PAD
Field Of The Invention:
The field of the present invention relates generally to fueling islands for gasoline dispensing systems, and more particularly to apparatus in such systems for authorizing a sale to an identified customer.
- Backaround Of The Invention:
Customer activated point of sale (POS) systems have been developed for use in service ~tations. In one such system, a customer uses a keypad located at a credit authorization terminal 0 (CAT) unit, to input the customers personal identification number (PIN). If the PIN is validated, a display on the system prompts the customer to key in a particular gasoline pump number, and optionally an amount to be dispensed. The CAT island card reader is program~ed to authorize an in-station pump controller to - activate the selected pump, for permitting the customer to complete the requested transaction. Upon completion, the system 20~5~ ~3 1 provides for t~e customer to return to the CAT or island card 2 reader, t~ operate the same for obtaining a receipt for the 3 completed transaction.
UNATTACHED PIN PAD
Field Of The Invention:
The field of the present invention relates generally to fueling islands for gasoline dispensing systems, and more particularly to apparatus in such systems for authorizing a sale to an identified customer.
- Backaround Of The Invention:
Customer activated point of sale (POS) systems have been developed for use in service ~tations. In one such system, a customer uses a keypad located at a credit authorization terminal 0 (CAT) unit, to input the customers personal identification number (PIN). If the PIN is validated, a display on the system prompts the customer to key in a particular gasoline pump number, and optionally an amount to be dispensed. The CAT island card reader is program~ed to authorize an in-station pump controller to - activate the selected pump, for permitting the customer to complete the requested transaction. Upon completion, the system 20~5~ ~3 1 provides for t~e customer to return to the CAT or island card 2 reader, t~ operate the same for obtaining a receipt for the 3 completed transaction.
4 Recently, gasoline dispensing systems are being developed to incorporate prior stand alone island card reader peripherals into 6 the heads of multi-product gasoline dispensers. For example, 7 Gilbarco, Inc. is in the process of developing a CRIND (Card 8 Reader In A Dispenser) for including in the head of a Gilbarco 9 multi-product dispenser, a customer display, keypad, card reader, receipt printer, and the required logic boards for permitting a 11 customer to initiate a transaction ~t a pump in a manner similar 12 to that required at an island card reader or individual CAT. The 13 CRIND device or system is being developed to eliminate customer 14 confusion caused by requiring customers to enter a pump number, and to reduce transaction time. In the CRIND system, the pump 16 being activated is assumed to be the one associated with the l? particular CRIN~ device. Also, another advantage of the CRIND
18 device or system being developed is that a customer is not 19 required to walk across the forecourt in order to initiate a transaction or obtain a receipt. In 1987, another gasoline 21 dispenser anufacturer, namely Dresser-Wayne, Inc., Salisbury, 22 Maryland/Austin, Texas, began marketing a CRIND-like device on 23 their MGD dispensers. However, no such known systems include or 24 recognize the benefits of integrating a remotely controlled and portable PIN Pad feature into such CRIND-like devices or systems.
2 ~
1 SUmmary Of The Invention:
2 With t~e problems in the prior art in mind, various objects 3 of the invention are as follows:
4 An object of the invention is to provide an improved POS
S authorization system for use with fuel dispensing systems.
6 Another object of the invention is ~o provide integral with 7 a head of a fuel dispenser, a PoS authorization system including 8 an ~nattached PIN Pad.
9 Another object of the invention is to provide an improved POS authorization system in a fuel dispensing system, for use by 11 a customer in a self-service station mode, and/or by an attendant 12 in an attended or self-service mode.
13 These and other objects of the invention are provided by a 14 non-integrated, portable customer-activated terminal and an integrated customer/attendant-activated terminal with a data 16 receiving port in the head of the fuel dispenser unit, for 17 providing at- one unit in the dispenser the functions of 18 customer-activated and/or attendant-activated POS transactions, l9 in a manner enhancing the efficiency of making such transactions by reducing the manual activity or movement to a minimum.
22 8rief Description of the Drawings:
23 Various embodiments of the present invention will be 24 described below with reference to the drawings, in which like items are identified by the same reference number, and in which:
26 Figure 1 is a partial front elevational view of a multiple 2010~3 1 product dispenser ~yste~ incorporating the present invention;
2 Figure.2 is a magnified front-elevational view of a CRIND or 3 "Credit Card Reader In A Dispenser" 6hown in Fig. 1, including 4 the present invention;
Figure 3 shows a functional block diagram of the POS
6 transaction system shown in Figure 1, including various 7 embodiments of the present invention;
8 Figure 4A shows a block-~chematic diagram of an I/R-TO-9 DIGITAL INTERFACE module of one embodiment of the invention;
Figure ~B shows a block-schematic diagram of an FM decoder 11 circuit included in.one embodiment o the invention;
12 Figure 5 shows a simplified word flowchart for attendant and 13 customer activated transaction steps of one embodiment of the 14 invention;
Figure 6 shows a detailed flowchart for the embodiment of 16 Figure 5;
17 Figure 7 shows a block schematic diagram of a logic board 18 network for one embodiment of the invention;
19 Figure 8 6hows a block schematic diagram of an interface module for one embodiment of the invention; and 21 Figure g shows a word flowchar~ for a programming sequence 22 of one embodiment of the invention.
23 Detailed DescriD~ion of the Preferred 24 Embodiments of the Invention:
With reference to Figure 1, for purposes of illustration, a 2~ 3~ ~
1 multiple product dispenser system 1 i8 shown. Three independent 2 fuel dispensing nozzles 3 are included for individually 3 dispensing di~ferent grades of gasoline, in this example. The 4 dispensing system or head 1 also include6 a control module 5 to be operated by either an attendant or a customer. A magnified 6 view of the layout of the control panel or module 5 is shown in 7 Figure 2.
8 With reference to Figure 2, the control module 5 includes a 9 receipt section 7 having a liftable door 9 for receiving a receipt from a printing mechanism (not shown) located within the 11 printer section 7. Also, a display 11 is provided for reading 12 out the total price for the gasoline dispensed up to a given time 13 on a cumulative basis in real time; a display 13 for reading out 14 the number of gallons dispensed at any given time on a cumulative basis; a display 15 for reading out the price per gallon of the 16 gasoline being dispensed; a keypad 17 for permitting manual entry 17 amongst other things of a preset amount of gasoline to be 18 dispensed, a personal identification number, and so forth; a 19 display 19 for prompting a user in the sequential steps required for operating the control panel 5 in order to energize a pump 21 (not shown) for delivering fuel under pressure to the appropriate 22 one of the nozzles 3 for dispensing the fuel or gasoline to a 23 receiving tank; a slot 21 for receiving a credit card for entry 24 into a card reader (not shown); and six displays 23 for displaying numerically the price per gallon for either cash or 26 credit sales for delivery of fuel from associated ones of the 2~V5~
1 nozzles 3, in this example. The various portions of the panel 5 2 just described are typical of the features found in a CRIND
3 (Card Reader In A Dispenser) being developed by Gilbarco, Inc., 4 Greensboro, N.C. since 19~4. The present inventor, with reference to Figure 2, further developed such CRIND devices by 6 incorporating an unattached PIN Pad system in an improved CRIND
7 module.
8 A portable or unattached remotely controlled PIN Pad 25, as 9 held in a user's hand 12, is shown below the control panel 5.
In this exa~ple, the portable PIN Pad 25 is being held in a 11 manner for directing an infra-red beam of light 27 to a data 12 transfer window 29 provided on the control panel 5. The infra-13 red beam is modulated by digital data representative of the PIN
14 number inputted into the keypad by a customer, as will be described below. Electronic devices and circuitry are located 16 behind the data transfer window 29 for converting the infra-red 17 coded light beam 27 into electrical signals for processing, as 18 will be described.
19 In Figure 3, a block diagram is shown of the basic sub-systems of the improved CRIND module of the present invention.
21 The unattached portable PIN Pad is provided in a prototype 22 system by a model HT204881-2 PIN Pad, manufactured by "Hamilton 23 Test Systems~, Tucson, Arizona. Note that although infra-red 24 data transmission is illustrated in this example for transmitting data from the PIN Pad 25 to the data transfer window 29, the 26 system may be modified for transmitting such data acoustically, 2 (~ L ~ 3 or by n radio frequency wave, for example.
2A Gilbl~rco T17344 I/R-to-digital interface module board 30 3includeF: an FM decoder circuit 31, and an I/R-to-digital 4converter ~2. The I/R-to-digital converter 32 used to convert the 5infra-red ~ignals received from PIN Pad 25 into digital signals.
6Converter 32 is de~;cribed in greater detail below with reference 7to Figure 4Ao 8FM decoder circuit 31, described below in detail with 9reference to Figure 4B, is used to decode the digitized infra-red 10data signal beam 27 from converter 32 into electrical data 11signals, which are applied therefrom to a POS terminal controller 1233 electronic system (including a Gilbarco T16785 CRIND logic 13board 331~ shown in Figure 7, and a Gilbarco T16973 CRIND
14expansion board, not shown).
15The POS terminal controller electronics 33 are connected via 16an interface circuit 35, provided by Gilbarco power and interface 17module W02135; Note that all subsequent parts or model numbers 18given herein are Gilbarco part or model numbers assigned to a 19CRIND syste~ developed by Gilbarco, Inc., Greensboro, N.C. The 20controller electronics 33 are also connected to a Gilbarco T16911 21CRIND display electronics board 34, for driving the display 19;
22to an integral card reader and electronic board 37, Gilbarco part 23number T16934; to an electronic interface and integral keypad 24board 3g provided in this example by Gilbarco part number T16386 25(designated as a membrane switch module which includes keypad 2617); and to a receipt printer and an electronics interface module 2 ~ 3 1 41 provided by Gilbarco part number W02133. The controller 33 is 2 also connected to a dispenser controller electronic subsystem 43, 3 the latter including three Gilbarco electronic modules 4 designated as a T15841 pump control, a T1584g hydraulic interface, and a T15857 main regulator. The dispenser controller 6 electronics 43 provides signals for driving fueling dispens~r 7 hydraulics 44, a main display part number W02107 (shown in Figure 8 5 as display 11), and price per unit display modules 23 (Gilbarco 9 part number T16940).
Mounted directly behind the data transfer window 29 is a 11 BX-1466 I/R Receiver 14 manufactured by Sony Corporation of 12 Japan (see Figure 4A), forminq a portion of I/R-to-digital 13 converter 32. I/R receiver 14 converts the I/R signals 27 into 14 electrical digital data signals which are passed through a standard 87Sl format converter 38. The format conversion is from 16 Hamilton Test System's unique format for PIN Pad 25 to a standard 17 FM format (see Source Code Listing in Microfiche Appendix for 18 ALPHA PIN.~ST). The reformatted data is passed through a 19 74HC3651 buffer 40, and Schottky diode 42, to FM decoder circuit 31. The latter includes three inverters 49, 51, 53, connected in 21 series, as shown for delivering data signals from the interface 22 module 32 to a trigger (TRG) terminal of a standard 555 timer 23 integrated circuit timer 55.
24 FM decoder circuit 31 further includes an integrating capacitor 57 connected between the common connection of the 26 inverters 51, 53 and a point of reference potential, ground in 2 0 ~
1 this example. Timing for the timer chip 55 is controlled by the 2 combination of resistor 59 and capacitor 61 connected in series 3 between ~ positive voltag~ terminal 63 for connection to a 4 positive voltage +V, and a point of reference potential at the other end of capacitor 61. The common connection between 6 resistor 59 and capacitor 61 is connected directly to the timer 7 chip 55. The output terminal of the timer S5 is connected to a 8 latch 65, provided in this example by an integrated circuit LS74 9 latch. Note that the output pulses provided from timer chip 55 have a pulse width predetermined to be less than 2.5 11 milliseconds.
12 The co~on connection between inverters 49 and 51 is 13 connected to the input terminal of another inverter 67, the 14 output terminal of which is connected to the "T" terminal of the latch 65. The reset or "R" terminals of timer chip 55 and latch 16 chip 65 are connected in common to a reset line 69 designated as 18 a ~ESET. The common connection between the output terminal of 19 timer 55 and D input terminal of latch 65 is connected to the input terminal of an inverter 71, the output of which is 21 connected to a clock line 73 for outputting clock signals. A
22 data output line 75 is connected to the "Q" output terminal of 23 latch 65. The POS terminal controller electronic module 33 is 24 connected ~ia output data line 75 to latch 65, to clock line 73, to the reset line 69, and to an LP365 power failure detection 26 circuit (not shown~.
27 As previously mentioned, the primary function of the 20~05~t~
1 customer prompting di~play 19 and electronic~ interface 5 2 (control pan~l), and the associated unattached PIN Pad 25, i5 to 3 collect custo~er data, provide all communications necessary with 4 the controller (not shown), typically located in the kiosk of the S gasoline station, in order to obt~in authorization and denial of 6 a customer's intended means of payment, and to provide a 7 transaction receipt after the sale. In general terms, the 8 control panel 5, via its location in the dispenser head 1, g provides for efficient collection of customer data. A given transaction i~ first initiated by either a customer or attendant 11 entering data required for authorization into the control panel 12 5~ and inserting a credit card upon prompting to do so by display 13 19, into the credit card reader 21, unless a cash payment is to 14 be made.
Assuming a credit card sale, the customer waits for 16 authorization to be indicated on the prompting display 19, -17 whereupon the appropriate gasoline pump (not shown) is activated, 18 for permitting a customer to dispense fuel from the appropriate 19 one of the nozzles 3 into the customers vehicle. The customer, after filling his storage tank as required, replaces the nozzle 3 21 into the appropriate holder, and lifts the small door 9 for 22 obtaining a receipt from the receipt printer located in the 23 module 7, thereby completing the transaction. Alternatively, an 24 attendant ~ay perform the various customer related activities, with the exception of entering the customers PIN number, as will 26 be described in greater detail below.
~ L~ ;~c3 1 The operation of th~ control panel 5 will now be described 2 in greater detail. Depending upon the State in which a ~ particular gasoline dispensing sy~tem i8 located, the particular 4 gasoline dispenser 1 may be either attendant activated or customer activated In a customer-activated gasoline dispenser 6 1, in using the present invention, a customer is prompted by the 7 prompting display lg to enter the customer's PIN number into the 8 system via the integral CRIND keypad 17. In this example, the 9 keypad is a me~brane type keypad. As shown in Figure 3, the membrane type keypad 39 is directly connected to the POS terminal 11 controller electronics 33, for encrypting the PIN data into the 12 Gilbarco T16785 logic board. In an attendant-activated 13 situation, the customer's PIN number is entered into the POS
14 controller 33 via a different method, as will now be described.
In an attendant-activated system, a typical transaction is 16 initiated by the attendant walking to a customer's vehicle, and 17 handing the customer the portable and remote unattached PIN Pad 18 25. In the privacy of the customer's own vehicle, the customer 19 then enters their PIN number into the PIN Pad 25 via the keypad 26 located on the keypad (see Fig. 2). The PIN number is 21 encrypted in the PIN Pad 25, which is handed to the attendant by 22 the customer. In this example, the attendant then carries the 23 PIN Pad to the control panel 5, aims a transmitting window on the 24 top edge of the keypad 26 at the data transfer window 29 on the control module 5, and presses an appropriate enter key on the 26 keypad 26, for transferring the PIN number via an infra-red wave 2Ql ~'3~ ~
1 27, into the infra-red datn r~ceiver module 31 for format 2 conversion via module 32 (See Figure 4A), followed by decoding 3 via the FH decoder 34 of Fiqure 4B. As previously mentioned, the 4 prototype infra-red receiving electronics 31 is presently assigned a Gilbarco part number T173~4. The decoded signals are 6 then transferred to the POS controller logic module 33, that is, 7 more specifically to the logic printed circuit board designated 8 by Gilbarco part number T16785, located therein. From this point 9 on, further processing of the PIN number data is identical, regardless of whether derived via the just described attendant 11 activated ~ethod, or the previously described customer activated 12 method.
13 Assuming that the customer is paying via a credit card, the 14 message display 19 shows a message requesting that the credit card be inserted into the slot 21 of the associated card reader 16 37. On insertion of the credit card, the card reader 37 (see 17 Fig. 3) transmits or transfers the associated card account data 18 to the POS controller 33. The POS controller 33 responds by 19 transmitting the encrypted PIN number and the credit card account number to the system site controller 36 (not shown) via a 21 prototype gasoline station controller electronics interface 22 module 35, presently assigned a Gilbarco part number W02135. The 23 interface 35 includes both a power supply for the control panel 24 5, and the communications interface with the site controller 36, in this example. The site controller is programmed to 26 communicate with an appropriate banking data network for 2 ~ ~ Q ~
1 confirming both the PIN number and the credit card account 2 efficacy, snd thereafter authorizing the transaction or denying 3 the same, if appropriate. The authorization or denial signal is 4 sent to the site controller 36, and returned therefrom via the interface module 35, for delivery to the POS controller 33, which 6 is program~ed to respond to the instruction signal by indicating 7 on the pro~pting display 19 authorization or denial of the 8 transaction. Assuming the transaction is authorized, the 9 attendant or customer is then prompted by the visual display 19 for carrying out the remainder of the dispensing operation, which 11 is terminated via the delivery of a receipt under the door 9, as 12 previously Dentioned. As indicated, throughout the entire 13 transaction, the customer PIN data is maintained in secrecy.
14 As previously indicated, the portable PIN Pad 25 is not limited to such a pad 25 for transmitting encrypted data via 16 infra-red transmission. Acoustical or radio frequency 17 transmission could also be used, which would require that the 18 receiver electronics 31 be modified for such alternate receipt of 19 transmitted data.
In Figure 5, a simplified word flowchart shows the basic 21 sequence of operations for either an "attendant-activated 22 transaction~ using PIN Pad 25, or a "customer-activated 23 transaction~ using keypad 17. With reference to Figure 6, a 24 detailed flow chart is shown for illustrating the basic programming steps required for entering the PIN data into 26 controller 5. Figure 6 shows a more detailed flowchart for the 20~Q~
1 pr~gramming step~ requlred to carry out the ~ub~ect transactions.
2 In Figure 6, steps 602 through 605 ~re under the control of 3 microprocessor 333 (see Figure 7); steps 606 and 607 are under 4 the control of Z80 microprocessor 341, as are steps 608 onward.
S The progra~aing for steps 602 through 605 are shown in the 6 microfiche ~ppendix under "PROGRAM.LST"; steps 606 and 607 under 7 "XEYBOARD.LIS"; and steps 608 onward under "APP.BUTTONS.LIS".
8 The "CRIND PROMPTS" steps shown in Figure 5, are shown in ~ greater detail in Figure 9~ The Z80 microprocessor 341 is programmed for controlling steps 901 through 903 (see microfiche 11 appendix for "DISPLAY.LIS"). The 8749 microprocessor 333 is 12 programmed for controlling step 904 (see microfiche appendix for 13 "PROGRAM.LST~). Also, step 906 is controlled via programming of 14 the Z80 ~icroprocessor (see microfiche appendix for "TINET.ISR.LIS" and "TINET.TSK.LIS").
16 Operation of the dual path authorization scheme of the 17 present invention will now be described in detail. With 18 reference to Figures 5 through 9, the integral keypad board 39 is 19 scanned under control of the previously mentioned T16785 CRIND
logic board 331 on controller 33, by an 8749 standard 21 microprocessor 333 programmed as a keyboard display controller 22 (see source code listing, "PROGRAM.LST"). Note that the source 23 code listings are not printed herein, but are included as a 24 microfiche appendix retained in the U.S. Patent and Trademark Office. Output strobes from microprocessor 333 are decoded by a 26 standard 74HC138 3-to-8 decoder 335, and returned through any 20~0~t~
1 closed keypad switch of keypad 17 to inputs P24 through P27 ~not 2 ~hown) on .nicroprocessor 333. A code representation of the 3 pressed one of keys 18 is passed via a standard 8749 4 microprocessor data bus 337 to a 74HC574 data input port 339 on S the Z80 databus (see ~ource code listing, "KEYBOARD.LIS"), and 6 interpreted with regard to PIN entry (~ee microfiche Appendix 7 "APP_ BUTTONS.ASM"). The Z80 microprocessor 341 (see appended 8 microfiche source code listings, "TINET ISR.LIS" and "TINET
9 TSR.LIS") is programmed to serialize the data through a standard Z80/S10/C output port 343, to standard 74HC03 buffer NAND gates 11 345. This data output from the latter is received at Interface 12 Module 35 (see Fig. 8), which converts the data for current loop 13 communications to the station controller 36, through a standard 14 74HC04 inverter 371, to an MPS-A13 transistor drive circuit 373, to a standard MCT2E opto-isolator 375 to station controller 36.
16 The re~ote PIN Pad data 27 (see source code listing in 17 microfiche appendix, "ALPHA PIN.LST") is passed from the I/R
18 interface module 32 to the FM decoder circuit 31, to the CRIND
19 logic board 331 of controller 33. The Z80 microprocessor 341 receives the data through a 74HC245 input port 347, stores it in 21 a buffer (not shown), and then sends the data (see microfiche 22 appendix for source code listings, "TINET ISR.LIS" and "TINET
23 TSK.LIS") through a Z80/SIO/C output port 343 to the standard 24 serial buffer NAND gates 345. The data is transferred there~rom to interface Module 35 and converted for current loop 26 communications to the station controller 36, through the 74HCO4 20~ ~6~3 1 inverter 371, to the MPS-A13 transi6tor drive circuit 373, to an 2 MCT2E opto-isolator 375, to an output connector (not shown), for 3 connection to station controller 36.
4 Message communication~ for prompting, e.g. to indicate payment is authorized after verifying the customer's PIN, are 6 recei~ed at the interface module 35 by an opto-isolator ~CT2E 377 7 and passed on through a standard 2N2907 common-emitter transistor 8 driver 379 and two serial 74HC04 inverter buffers 381, to logic 9 board 331 of controller 33. Note that a three-stage 2N222A
Darlington Buffer 383 is used to connect signal~ from opto-11 coupler 37S to opto-coupler 377. The data is received at logic 12 board 331, inverted and NANDED by a standard 74HC03 integrated 13 circuit 349 with an echo protect ~eedback passed through a 14 standard HSC1001 Zener diode from a transmission output at NAND
345 (to pre~ent this board's transmissions from being picked up 16 erroneously as receive data fr~m the interface module 35). This 17 data is passed through a standard Z80/SIO/C input port 351 to the 18 Z80 microprocessor data bus 353 (see microfiche appendix for 19 source code listings, "TINET ISR.LIS" and "TINET TSK.LIS") and through a standard 74HC574 data input port 355 (see microfiche 21 appendix for source code listing, "DISPLAY.LIS") to the 8749 22 microprocessor 333. Microprocessor 333 (see appendix for source 23 code listing, ~'PROGRAM.LST") outputs the data to the prompt 24 display 19 via three parallel 74HC574 output ports 357, 358, 359, each of which is selected by an individual select output signal 26 line, P20 to P22. Two of these output ports 358 and 359 pass 2 ~ ` 3 1 sixteen drive signals through two standard UDQ6118A high voltage 2 buffer circuits 361, 363, respectively, to drive the fourteen 3 segment and decimal point and comma anodes of the prompt display 4 19. The third output port 357 feed~ a standard 74HC4514 4-to-16 decoder 365 and a standard 74HC4028 4-to-10 decoder 367 ~used as 6 a high order 2-to-4) to supply twenty grid select signals to 7 three standard UDQ6118A high voltage buffer circuits 369 to drive 8 each of the twenty digit select grids (not shown) of prompt 9 display 19. Note also that an EPROM 342 and RAM 344 are used for program and operating memory storage, respectively.
11 Although various embodiments of the present invention have 12 been described and illustrated herein r they are not meant to be 13 limiting, and other embodime~ts or various modifications thereof 14 that may occur to one of ordinary skill in the art are meant to be covered by the spirit and scope of the appended claims.
.
18 device or system being developed is that a customer is not 19 required to walk across the forecourt in order to initiate a transaction or obtain a receipt. In 1987, another gasoline 21 dispenser anufacturer, namely Dresser-Wayne, Inc., Salisbury, 22 Maryland/Austin, Texas, began marketing a CRIND-like device on 23 their MGD dispensers. However, no such known systems include or 24 recognize the benefits of integrating a remotely controlled and portable PIN Pad feature into such CRIND-like devices or systems.
2 ~
1 SUmmary Of The Invention:
2 With t~e problems in the prior art in mind, various objects 3 of the invention are as follows:
4 An object of the invention is to provide an improved POS
S authorization system for use with fuel dispensing systems.
6 Another object of the invention is ~o provide integral with 7 a head of a fuel dispenser, a PoS authorization system including 8 an ~nattached PIN Pad.
9 Another object of the invention is to provide an improved POS authorization system in a fuel dispensing system, for use by 11 a customer in a self-service station mode, and/or by an attendant 12 in an attended or self-service mode.
13 These and other objects of the invention are provided by a 14 non-integrated, portable customer-activated terminal and an integrated customer/attendant-activated terminal with a data 16 receiving port in the head of the fuel dispenser unit, for 17 providing at- one unit in the dispenser the functions of 18 customer-activated and/or attendant-activated POS transactions, l9 in a manner enhancing the efficiency of making such transactions by reducing the manual activity or movement to a minimum.
22 8rief Description of the Drawings:
23 Various embodiments of the present invention will be 24 described below with reference to the drawings, in which like items are identified by the same reference number, and in which:
26 Figure 1 is a partial front elevational view of a multiple 2010~3 1 product dispenser ~yste~ incorporating the present invention;
2 Figure.2 is a magnified front-elevational view of a CRIND or 3 "Credit Card Reader In A Dispenser" 6hown in Fig. 1, including 4 the present invention;
Figure 3 shows a functional block diagram of the POS
6 transaction system shown in Figure 1, including various 7 embodiments of the present invention;
8 Figure 4A shows a block-~chematic diagram of an I/R-TO-9 DIGITAL INTERFACE module of one embodiment of the invention;
Figure ~B shows a block-schematic diagram of an FM decoder 11 circuit included in.one embodiment o the invention;
12 Figure 5 shows a simplified word flowchart for attendant and 13 customer activated transaction steps of one embodiment of the 14 invention;
Figure 6 shows a detailed flowchart for the embodiment of 16 Figure 5;
17 Figure 7 shows a block schematic diagram of a logic board 18 network for one embodiment of the invention;
19 Figure 8 6hows a block schematic diagram of an interface module for one embodiment of the invention; and 21 Figure g shows a word flowchar~ for a programming sequence 22 of one embodiment of the invention.
23 Detailed DescriD~ion of the Preferred 24 Embodiments of the Invention:
With reference to Figure 1, for purposes of illustration, a 2~ 3~ ~
1 multiple product dispenser system 1 i8 shown. Three independent 2 fuel dispensing nozzles 3 are included for individually 3 dispensing di~ferent grades of gasoline, in this example. The 4 dispensing system or head 1 also include6 a control module 5 to be operated by either an attendant or a customer. A magnified 6 view of the layout of the control panel or module 5 is shown in 7 Figure 2.
8 With reference to Figure 2, the control module 5 includes a 9 receipt section 7 having a liftable door 9 for receiving a receipt from a printing mechanism (not shown) located within the 11 printer section 7. Also, a display 11 is provided for reading 12 out the total price for the gasoline dispensed up to a given time 13 on a cumulative basis in real time; a display 13 for reading out 14 the number of gallons dispensed at any given time on a cumulative basis; a display 15 for reading out the price per gallon of the 16 gasoline being dispensed; a keypad 17 for permitting manual entry 17 amongst other things of a preset amount of gasoline to be 18 dispensed, a personal identification number, and so forth; a 19 display 19 for prompting a user in the sequential steps required for operating the control panel 5 in order to energize a pump 21 (not shown) for delivering fuel under pressure to the appropriate 22 one of the nozzles 3 for dispensing the fuel or gasoline to a 23 receiving tank; a slot 21 for receiving a credit card for entry 24 into a card reader (not shown); and six displays 23 for displaying numerically the price per gallon for either cash or 26 credit sales for delivery of fuel from associated ones of the 2~V5~
1 nozzles 3, in this example. The various portions of the panel 5 2 just described are typical of the features found in a CRIND
3 (Card Reader In A Dispenser) being developed by Gilbarco, Inc., 4 Greensboro, N.C. since 19~4. The present inventor, with reference to Figure 2, further developed such CRIND devices by 6 incorporating an unattached PIN Pad system in an improved CRIND
7 module.
8 A portable or unattached remotely controlled PIN Pad 25, as 9 held in a user's hand 12, is shown below the control panel 5.
In this exa~ple, the portable PIN Pad 25 is being held in a 11 manner for directing an infra-red beam of light 27 to a data 12 transfer window 29 provided on the control panel 5. The infra-13 red beam is modulated by digital data representative of the PIN
14 number inputted into the keypad by a customer, as will be described below. Electronic devices and circuitry are located 16 behind the data transfer window 29 for converting the infra-red 17 coded light beam 27 into electrical signals for processing, as 18 will be described.
19 In Figure 3, a block diagram is shown of the basic sub-systems of the improved CRIND module of the present invention.
21 The unattached portable PIN Pad is provided in a prototype 22 system by a model HT204881-2 PIN Pad, manufactured by "Hamilton 23 Test Systems~, Tucson, Arizona. Note that although infra-red 24 data transmission is illustrated in this example for transmitting data from the PIN Pad 25 to the data transfer window 29, the 26 system may be modified for transmitting such data acoustically, 2 (~ L ~ 3 or by n radio frequency wave, for example.
2A Gilbl~rco T17344 I/R-to-digital interface module board 30 3includeF: an FM decoder circuit 31, and an I/R-to-digital 4converter ~2. The I/R-to-digital converter 32 used to convert the 5infra-red ~ignals received from PIN Pad 25 into digital signals.
6Converter 32 is de~;cribed in greater detail below with reference 7to Figure 4Ao 8FM decoder circuit 31, described below in detail with 9reference to Figure 4B, is used to decode the digitized infra-red 10data signal beam 27 from converter 32 into electrical data 11signals, which are applied therefrom to a POS terminal controller 1233 electronic system (including a Gilbarco T16785 CRIND logic 13board 331~ shown in Figure 7, and a Gilbarco T16973 CRIND
14expansion board, not shown).
15The POS terminal controller electronics 33 are connected via 16an interface circuit 35, provided by Gilbarco power and interface 17module W02135; Note that all subsequent parts or model numbers 18given herein are Gilbarco part or model numbers assigned to a 19CRIND syste~ developed by Gilbarco, Inc., Greensboro, N.C. The 20controller electronics 33 are also connected to a Gilbarco T16911 21CRIND display electronics board 34, for driving the display 19;
22to an integral card reader and electronic board 37, Gilbarco part 23number T16934; to an electronic interface and integral keypad 24board 3g provided in this example by Gilbarco part number T16386 25(designated as a membrane switch module which includes keypad 2617); and to a receipt printer and an electronics interface module 2 ~ 3 1 41 provided by Gilbarco part number W02133. The controller 33 is 2 also connected to a dispenser controller electronic subsystem 43, 3 the latter including three Gilbarco electronic modules 4 designated as a T15841 pump control, a T1584g hydraulic interface, and a T15857 main regulator. The dispenser controller 6 electronics 43 provides signals for driving fueling dispens~r 7 hydraulics 44, a main display part number W02107 (shown in Figure 8 5 as display 11), and price per unit display modules 23 (Gilbarco 9 part number T16940).
Mounted directly behind the data transfer window 29 is a 11 BX-1466 I/R Receiver 14 manufactured by Sony Corporation of 12 Japan (see Figure 4A), forminq a portion of I/R-to-digital 13 converter 32. I/R receiver 14 converts the I/R signals 27 into 14 electrical digital data signals which are passed through a standard 87Sl format converter 38. The format conversion is from 16 Hamilton Test System's unique format for PIN Pad 25 to a standard 17 FM format (see Source Code Listing in Microfiche Appendix for 18 ALPHA PIN.~ST). The reformatted data is passed through a 19 74HC3651 buffer 40, and Schottky diode 42, to FM decoder circuit 31. The latter includes three inverters 49, 51, 53, connected in 21 series, as shown for delivering data signals from the interface 22 module 32 to a trigger (TRG) terminal of a standard 555 timer 23 integrated circuit timer 55.
24 FM decoder circuit 31 further includes an integrating capacitor 57 connected between the common connection of the 26 inverters 51, 53 and a point of reference potential, ground in 2 0 ~
1 this example. Timing for the timer chip 55 is controlled by the 2 combination of resistor 59 and capacitor 61 connected in series 3 between ~ positive voltag~ terminal 63 for connection to a 4 positive voltage +V, and a point of reference potential at the other end of capacitor 61. The common connection between 6 resistor 59 and capacitor 61 is connected directly to the timer 7 chip 55. The output terminal of the timer S5 is connected to a 8 latch 65, provided in this example by an integrated circuit LS74 9 latch. Note that the output pulses provided from timer chip 55 have a pulse width predetermined to be less than 2.5 11 milliseconds.
12 The co~on connection between inverters 49 and 51 is 13 connected to the input terminal of another inverter 67, the 14 output terminal of which is connected to the "T" terminal of the latch 65. The reset or "R" terminals of timer chip 55 and latch 16 chip 65 are connected in common to a reset line 69 designated as 18 a ~ESET. The common connection between the output terminal of 19 timer 55 and D input terminal of latch 65 is connected to the input terminal of an inverter 71, the output of which is 21 connected to a clock line 73 for outputting clock signals. A
22 data output line 75 is connected to the "Q" output terminal of 23 latch 65. The POS terminal controller electronic module 33 is 24 connected ~ia output data line 75 to latch 65, to clock line 73, to the reset line 69, and to an LP365 power failure detection 26 circuit (not shown~.
27 As previously mentioned, the primary function of the 20~05~t~
1 customer prompting di~play 19 and electronic~ interface 5 2 (control pan~l), and the associated unattached PIN Pad 25, i5 to 3 collect custo~er data, provide all communications necessary with 4 the controller (not shown), typically located in the kiosk of the S gasoline station, in order to obt~in authorization and denial of 6 a customer's intended means of payment, and to provide a 7 transaction receipt after the sale. In general terms, the 8 control panel 5, via its location in the dispenser head 1, g provides for efficient collection of customer data. A given transaction i~ first initiated by either a customer or attendant 11 entering data required for authorization into the control panel 12 5~ and inserting a credit card upon prompting to do so by display 13 19, into the credit card reader 21, unless a cash payment is to 14 be made.
Assuming a credit card sale, the customer waits for 16 authorization to be indicated on the prompting display 19, -17 whereupon the appropriate gasoline pump (not shown) is activated, 18 for permitting a customer to dispense fuel from the appropriate 19 one of the nozzles 3 into the customers vehicle. The customer, after filling his storage tank as required, replaces the nozzle 3 21 into the appropriate holder, and lifts the small door 9 for 22 obtaining a receipt from the receipt printer located in the 23 module 7, thereby completing the transaction. Alternatively, an 24 attendant ~ay perform the various customer related activities, with the exception of entering the customers PIN number, as will 26 be described in greater detail below.
~ L~ ;~c3 1 The operation of th~ control panel 5 will now be described 2 in greater detail. Depending upon the State in which a ~ particular gasoline dispensing sy~tem i8 located, the particular 4 gasoline dispenser 1 may be either attendant activated or customer activated In a customer-activated gasoline dispenser 6 1, in using the present invention, a customer is prompted by the 7 prompting display lg to enter the customer's PIN number into the 8 system via the integral CRIND keypad 17. In this example, the 9 keypad is a me~brane type keypad. As shown in Figure 3, the membrane type keypad 39 is directly connected to the POS terminal 11 controller electronics 33, for encrypting the PIN data into the 12 Gilbarco T16785 logic board. In an attendant-activated 13 situation, the customer's PIN number is entered into the POS
14 controller 33 via a different method, as will now be described.
In an attendant-activated system, a typical transaction is 16 initiated by the attendant walking to a customer's vehicle, and 17 handing the customer the portable and remote unattached PIN Pad 18 25. In the privacy of the customer's own vehicle, the customer 19 then enters their PIN number into the PIN Pad 25 via the keypad 26 located on the keypad (see Fig. 2). The PIN number is 21 encrypted in the PIN Pad 25, which is handed to the attendant by 22 the customer. In this example, the attendant then carries the 23 PIN Pad to the control panel 5, aims a transmitting window on the 24 top edge of the keypad 26 at the data transfer window 29 on the control module 5, and presses an appropriate enter key on the 26 keypad 26, for transferring the PIN number via an infra-red wave 2Ql ~'3~ ~
1 27, into the infra-red datn r~ceiver module 31 for format 2 conversion via module 32 (See Figure 4A), followed by decoding 3 via the FH decoder 34 of Fiqure 4B. As previously mentioned, the 4 prototype infra-red receiving electronics 31 is presently assigned a Gilbarco part number T173~4. The decoded signals are 6 then transferred to the POS controller logic module 33, that is, 7 more specifically to the logic printed circuit board designated 8 by Gilbarco part number T16785, located therein. From this point 9 on, further processing of the PIN number data is identical, regardless of whether derived via the just described attendant 11 activated ~ethod, or the previously described customer activated 12 method.
13 Assuming that the customer is paying via a credit card, the 14 message display 19 shows a message requesting that the credit card be inserted into the slot 21 of the associated card reader 16 37. On insertion of the credit card, the card reader 37 (see 17 Fig. 3) transmits or transfers the associated card account data 18 to the POS controller 33. The POS controller 33 responds by 19 transmitting the encrypted PIN number and the credit card account number to the system site controller 36 (not shown) via a 21 prototype gasoline station controller electronics interface 22 module 35, presently assigned a Gilbarco part number W02135. The 23 interface 35 includes both a power supply for the control panel 24 5, and the communications interface with the site controller 36, in this example. The site controller is programmed to 26 communicate with an appropriate banking data network for 2 ~ ~ Q ~
1 confirming both the PIN number and the credit card account 2 efficacy, snd thereafter authorizing the transaction or denying 3 the same, if appropriate. The authorization or denial signal is 4 sent to the site controller 36, and returned therefrom via the interface module 35, for delivery to the POS controller 33, which 6 is program~ed to respond to the instruction signal by indicating 7 on the pro~pting display 19 authorization or denial of the 8 transaction. Assuming the transaction is authorized, the 9 attendant or customer is then prompted by the visual display 19 for carrying out the remainder of the dispensing operation, which 11 is terminated via the delivery of a receipt under the door 9, as 12 previously Dentioned. As indicated, throughout the entire 13 transaction, the customer PIN data is maintained in secrecy.
14 As previously indicated, the portable PIN Pad 25 is not limited to such a pad 25 for transmitting encrypted data via 16 infra-red transmission. Acoustical or radio frequency 17 transmission could also be used, which would require that the 18 receiver electronics 31 be modified for such alternate receipt of 19 transmitted data.
In Figure 5, a simplified word flowchart shows the basic 21 sequence of operations for either an "attendant-activated 22 transaction~ using PIN Pad 25, or a "customer-activated 23 transaction~ using keypad 17. With reference to Figure 6, a 24 detailed flow chart is shown for illustrating the basic programming steps required for entering the PIN data into 26 controller 5. Figure 6 shows a more detailed flowchart for the 20~Q~
1 pr~gramming step~ requlred to carry out the ~ub~ect transactions.
2 In Figure 6, steps 602 through 605 ~re under the control of 3 microprocessor 333 (see Figure 7); steps 606 and 607 are under 4 the control of Z80 microprocessor 341, as are steps 608 onward.
S The progra~aing for steps 602 through 605 are shown in the 6 microfiche ~ppendix under "PROGRAM.LST"; steps 606 and 607 under 7 "XEYBOARD.LIS"; and steps 608 onward under "APP.BUTTONS.LIS".
8 The "CRIND PROMPTS" steps shown in Figure 5, are shown in ~ greater detail in Figure 9~ The Z80 microprocessor 341 is programmed for controlling steps 901 through 903 (see microfiche 11 appendix for "DISPLAY.LIS"). The 8749 microprocessor 333 is 12 programmed for controlling step 904 (see microfiche appendix for 13 "PROGRAM.LST~). Also, step 906 is controlled via programming of 14 the Z80 ~icroprocessor (see microfiche appendix for "TINET.ISR.LIS" and "TINET.TSK.LIS").
16 Operation of the dual path authorization scheme of the 17 present invention will now be described in detail. With 18 reference to Figures 5 through 9, the integral keypad board 39 is 19 scanned under control of the previously mentioned T16785 CRIND
logic board 331 on controller 33, by an 8749 standard 21 microprocessor 333 programmed as a keyboard display controller 22 (see source code listing, "PROGRAM.LST"). Note that the source 23 code listings are not printed herein, but are included as a 24 microfiche appendix retained in the U.S. Patent and Trademark Office. Output strobes from microprocessor 333 are decoded by a 26 standard 74HC138 3-to-8 decoder 335, and returned through any 20~0~t~
1 closed keypad switch of keypad 17 to inputs P24 through P27 ~not 2 ~hown) on .nicroprocessor 333. A code representation of the 3 pressed one of keys 18 is passed via a standard 8749 4 microprocessor data bus 337 to a 74HC574 data input port 339 on S the Z80 databus (see ~ource code listing, "KEYBOARD.LIS"), and 6 interpreted with regard to PIN entry (~ee microfiche Appendix 7 "APP_ BUTTONS.ASM"). The Z80 microprocessor 341 (see appended 8 microfiche source code listings, "TINET ISR.LIS" and "TINET
9 TSR.LIS") is programmed to serialize the data through a standard Z80/S10/C output port 343, to standard 74HC03 buffer NAND gates 11 345. This data output from the latter is received at Interface 12 Module 35 (see Fig. 8), which converts the data for current loop 13 communications to the station controller 36, through a standard 14 74HC04 inverter 371, to an MPS-A13 transistor drive circuit 373, to a standard MCT2E opto-isolator 375 to station controller 36.
16 The re~ote PIN Pad data 27 (see source code listing in 17 microfiche appendix, "ALPHA PIN.LST") is passed from the I/R
18 interface module 32 to the FM decoder circuit 31, to the CRIND
19 logic board 331 of controller 33. The Z80 microprocessor 341 receives the data through a 74HC245 input port 347, stores it in 21 a buffer (not shown), and then sends the data (see microfiche 22 appendix for source code listings, "TINET ISR.LIS" and "TINET
23 TSK.LIS") through a Z80/SIO/C output port 343 to the standard 24 serial buffer NAND gates 345. The data is transferred there~rom to interface Module 35 and converted for current loop 26 communications to the station controller 36, through the 74HCO4 20~ ~6~3 1 inverter 371, to the MPS-A13 transi6tor drive circuit 373, to an 2 MCT2E opto-isolator 375, to an output connector (not shown), for 3 connection to station controller 36.
4 Message communication~ for prompting, e.g. to indicate payment is authorized after verifying the customer's PIN, are 6 recei~ed at the interface module 35 by an opto-isolator ~CT2E 377 7 and passed on through a standard 2N2907 common-emitter transistor 8 driver 379 and two serial 74HC04 inverter buffers 381, to logic 9 board 331 of controller 33. Note that a three-stage 2N222A
Darlington Buffer 383 is used to connect signal~ from opto-11 coupler 37S to opto-coupler 377. The data is received at logic 12 board 331, inverted and NANDED by a standard 74HC03 integrated 13 circuit 349 with an echo protect ~eedback passed through a 14 standard HSC1001 Zener diode from a transmission output at NAND
345 (to pre~ent this board's transmissions from being picked up 16 erroneously as receive data fr~m the interface module 35). This 17 data is passed through a standard Z80/SIO/C input port 351 to the 18 Z80 microprocessor data bus 353 (see microfiche appendix for 19 source code listings, "TINET ISR.LIS" and "TINET TSK.LIS") and through a standard 74HC574 data input port 355 (see microfiche 21 appendix for source code listing, "DISPLAY.LIS") to the 8749 22 microprocessor 333. Microprocessor 333 (see appendix for source 23 code listing, ~'PROGRAM.LST") outputs the data to the prompt 24 display 19 via three parallel 74HC574 output ports 357, 358, 359, each of which is selected by an individual select output signal 26 line, P20 to P22. Two of these output ports 358 and 359 pass 2 ~ ` 3 1 sixteen drive signals through two standard UDQ6118A high voltage 2 buffer circuits 361, 363, respectively, to drive the fourteen 3 segment and decimal point and comma anodes of the prompt display 4 19. The third output port 357 feed~ a standard 74HC4514 4-to-16 decoder 365 and a standard 74HC4028 4-to-10 decoder 367 ~used as 6 a high order 2-to-4) to supply twenty grid select signals to 7 three standard UDQ6118A high voltage buffer circuits 369 to drive 8 each of the twenty digit select grids (not shown) of prompt 9 display 19. Note also that an EPROM 342 and RAM 344 are used for program and operating memory storage, respectively.
11 Although various embodiments of the present invention have 12 been described and illustrated herein r they are not meant to be 13 limiting, and other embodime~ts or various modifications thereof 14 that may occur to one of ordinary skill in the art are meant to be covered by the spirit and scope of the appended claims.
.
Claims (10)
1. In a gasoline station fueling island, a gasoline dispenser head including a point-of-sale authorization (POS) terminal, the POS terminal including a message display for operational prompting, a keypad, a card reader for reading customer's credit cards, and a printer for providing transaction receipts, wherein the improvement comprises:
portable PIN Pad means for providing in an attendant-activated mode of operation, means for a customer to privately and confidentially enter the customer's personal identification data or number (PIN) outside the view of the attendant, the PIN
being encrypted in said PIN Pad means, whereafter the customer hands the PIN Pad means to the attendant;
transmission means included in said PIN Pad means for permitting said attendant to remotely transmit the customer's encrypted PIN number to said POS terminal;
first receiving means included in said POS terminal for receiving and decoding the encrypted PIN data transmitted from said PIN Pad means;
controller means included in said POS terminal and connected to said first receiving means, for receiving said decoded encrypted PIN data from said first receiving means, and transmitting the same to a master controller of said gasoline station;
said controller means further including second receiving means for receiving back from said master controller, a control signal indicating whether the PIN number is authorized or denied; and display means located on said POS terminal, connected to said second receiving means, for receiving said control signal therefrom and visually indicating to a "user" whether authorization is confirmed or denied.
portable PIN Pad means for providing in an attendant-activated mode of operation, means for a customer to privately and confidentially enter the customer's personal identification data or number (PIN) outside the view of the attendant, the PIN
being encrypted in said PIN Pad means, whereafter the customer hands the PIN Pad means to the attendant;
transmission means included in said PIN Pad means for permitting said attendant to remotely transmit the customer's encrypted PIN number to said POS terminal;
first receiving means included in said POS terminal for receiving and decoding the encrypted PIN data transmitted from said PIN Pad means;
controller means included in said POS terminal and connected to said first receiving means, for receiving said decoded encrypted PIN data from said first receiving means, and transmitting the same to a master controller of said gasoline station;
said controller means further including second receiving means for receiving back from said master controller, a control signal indicating whether the PIN number is authorized or denied; and display means located on said POS terminal, connected to said second receiving means, for receiving said control signal therefrom and visually indicating to a "user" whether authorization is confirmed or denied.
2. The improvement of claim 1, wherein said controller means of said POS terminal further includes for use in a customer activated mode of operation, third receiving means for receiving directly from said keypad of said POS terminal, PIN data entered into said keypad by said customer, for encrypting and transmitting the same to said master controller.
3. The improvement of claim 1, further including:
infra-red data transmission means in said portable PIN
Pad for transmitting said PIN data to said POS terminal in the form of infra-red signals;
infra-red data transmission means in said portable PIN
Pad for transmitting said PIN data to said POS terminal in the form of infra-red signals;
4. The improvement of claim 1, wherein said receiving means includes an FM decoder.
5. The improvement of claim 1, wherein said first receiving means further includes means for receiving and decoding both said PIN data and said credit card data from said card reader.
6. The improvement of claim 5, wherein said POS controller means further includes means for transmitting said credit card data to said master controller.
7. A gasoline dispenser system including a dispenser head, comprising:
a portable personal identification key pad (PIN Pad) for permitting a customer to privately enter their personal identification number (PIN) into said PIN Pad; and point-of-sale authorization (POS) means included in said dispenser, responsive to a signal remotely transmitted thereto from said PIN Pad, for processing said PIN number to either authorize or deny a transaction to be conducted with said customer.
a portable personal identification key pad (PIN Pad) for permitting a customer to privately enter their personal identification number (PIN) into said PIN Pad; and point-of-sale authorization (POS) means included in said dispenser, responsive to a signal remotely transmitted thereto from said PIN Pad, for processing said PIN number to either authorize or deny a transaction to be conducted with said customer.
8. The dispenser system of claim 7, wherein said POS means further includes:
first receiving means for receiving and decoding PIN
data remotely transmitted from said PIN Pad;
controller means connected to said first receiving means, for transmitting the decoded PIN data to a master controller, said controller means further including second receiving means for receiving back from said master controller, a transaction signal authorizing or denying a transaction with said customer.
first receiving means for receiving and decoding PIN
data remotely transmitted from said PIN Pad;
controller means connected to said first receiving means, for transmitting the decoded PIN data to a master controller, said controller means further including second receiving means for receiving back from said master controller, a transaction signal authorizing or denying a transaction with said customer.
9. The dispenser system of claim 8, wherein said POS means further includes:
display means connected to said second receiving means, for responding to said transaction signal by visually indicating whether a transaction with said customer is authorized or denied.
display means connected to said second receiving means, for responding to said transaction signal by visually indicating whether a transaction with said customer is authorized or denied.
10. The dispenser system of claim 7, wherein said PIN Pad further includes infra-red data transmission means for transmitting said PIN data to said POS means in the form of infra-red signals.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/322,221 US4967366A (en) | 1989-03-06 | 1989-03-06 | Integrated gasoline dispenser and POS authorization system with unattached pin pad |
| US322,221 | 1989-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2010563A1 true CA2010563A1 (en) | 1990-09-06 |
Family
ID=23253943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002010563A Abandoned CA2010563A1 (en) | 1989-03-06 | 1990-02-21 | Integrated gasoline dispenser and pos authorization system with unattached pin pad |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4967366A (en) |
| AU (1) | AU621990B2 (en) |
| CA (1) | CA2010563A1 (en) |
| NZ (1) | NZ232622A (en) |
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-
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- 1989-03-06 US US07/322,221 patent/US4967366A/en not_active Expired - Lifetime
-
1990
- 1990-02-21 CA CA002010563A patent/CA2010563A1/en not_active Abandoned
- 1990-02-21 NZ NZ232622A patent/NZ232622A/en unknown
- 1990-03-02 AU AU50678/90A patent/AU621990B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| AU621990B2 (en) | 1992-03-26 |
| AU5067890A (en) | 1990-09-06 |
| NZ232622A (en) | 1992-10-28 |
| US4967366A (en) | 1990-10-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |