CN100559531C - Metal encrypted keyboard - Google Patents
Metal encrypted keyboard Download PDFInfo
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- CN100559531C CN100559531C CNB2005100330318A CN200510033031A CN100559531C CN 100559531 C CN100559531 C CN 100559531C CN B2005100330318 A CNB2005100330318 A CN B2005100330318A CN 200510033031 A CN200510033031 A CN 200510033031A CN 100559531 C CN100559531 C CN 100559531C
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Abstract
A kind of metal encrypted keyboard, comprise the panel that distributes successively from top to bottom, liner plate, sealing gasket, the conductive rubber keypad, button is electrically connected printed circuit board (PCB) and base, and described panel and base surround out the keyboard cavity, be provided with keyboard in this cavity and handle, also comprise the little axle of protection between described panel and liner plate with printed circuit board (PCB) and supplying cell; Described keyboard is handled can be divided into function of keeping secret processing section and unclassified function treatment part with printed circuit board (PCB), and the one side of the placement components and parts of described function of keeping secret processing section is sealed with protective cover.Two sections column structures that bore did not wait about the little axle of described protection comprised, its number is preferably 3.The inner surface of described protective cover is provided with the safeguard protection line layer, and the lead that is labyrinth pattern cabling on it is connected with circuit on the printed circuit board (PCB) with the processing of keyboard function of keeping secret.Adopt this keyboard structure, can improve the data security degree of keyboard operation greatly, effectively prevent the data leakage and be stolen.
Description
Technical field
The present invention relates to finance device, relate in particular to ATM (ATM) operation keyboard, particularly the data confidentiality structure of ATM operation keyboard.
Background technology
The existing ATM operation keyboard adopts metal material to make mostly, comprise the panel that distributes successively from top to bottom, liner plate, sealing gasket, the conductive rubber keypad, button is electrically connected printed circuit board (PCB) and base, panel and base surround out the keyboard cavity, be provided with keyboard in this cavity and handle with printed circuit board (PCB) and supplying cell, on the described panel perforate is arranged, each button stretches out from described perforate.The main part of ATM operation keyboard adopts the 4*4 key layout usually, and the 4*3 on the left side is a numerical portion, and the right 4*1 is a command component.Numerical portion, according to by left-to-right, putting in order and be from top to bottom: [1,2,3,4,5,6,7,8,9,00,0 .], blind person's operation for convenience generally is provided with the blind person with the indication of key arrangement position on [5] key.Command component according to putting in order from top to bottom is: [input keeps for cancellation, change], wherein keep key according to practical situations, need not or defined function, blind person's operation for convenience, some keyboard is provided with sign on command key.
The existing ATM operation keyboard need effectively prevent the data leakage and be stolen, and guarantees the data security of keyboard operation.And above-mentioned existing keyboard can not provide good cryptographic structure.
Summary of the invention
The technical problem to be solved in the present invention is to avoid above-mentioned the deficiencies in the prior art part, and proposes a kind of ATM operation keyboard structure, can improve the data security degree of keyboard operation greatly, effectively prevents the data leakage and is stolen.。
The technical scheme that the present invention solves the problems of the technologies described above employing is, manufacture a kind of metal encrypted keyboard, comprise the panel that distributes successively from top to bottom, liner plate, sealing gasket, the conductive rubber keypad, button is electrically connected printed circuit board (PCB) and base, described panel and base surround out the keyboard cavity, being provided with keyboard in this cavity handles with printed circuit board (PCB) and supplying cell, on the described panel perforate is arranged, each button stretches out from described perforate, also comprises the little axle of protection between described panel and liner plate; Described keyboard is handled can be divided into function of keeping secret processing section and unclassified function treatment part with printed circuit board (PCB), and the one side of the placement components and parts of described function of keeping secret processing section is sealed with protective cover.
The little axle of protection is set prevents from illegally to open/cut the keyboard cavity; and being set, protective cover both can prevent from illegally to obtain internal circuit information; when protective cover adopts the metal material of anti-electromagnetic exposure to make; can also prevent that private data from illegally being intercepted and captured; here the private data of indication comprises the relevant signal in the keyboard processing procedure, also comprises the microcode of the storage inside of circuit processing unit that is used for processing procedure own and operational factor etc.
Described protective cover is a metal material; described keyboard function of keeping secret processing section is a sandwich construction with printed circuit board (PCB); from placing the one side number of components and parts; comprise element layer successively; push button signalling process circuit layer and stratum; described protective cover and the stratum short circuit circuit protection cavity of encircling a city, and whole push button signalling process circuit layer is positioned at this protection cavity.
Described button comprises one or two button contact, the metal keycap that is connected with described key contacts, and be positioned at key panel on this metal keycap, described metal keycap is provided with the fluting in order to the described key panel of setting-in.
Described key panel is provided with marking keys, and described marking keys is included in the symbol that carves on the panel, and the described symbol that carves on key panel adopts the high-abrasive material filled coloring.
Described marking keys also comprises sign, and/or the blind person indicates with the key arrangement position.
Two sections column structures that bore did not wait about the little axle of described protection comprised protect the number of little axle to be preferably 3.
The inner surface of described protective cover is provided with the safeguard protection line layer; described safeguard protection line layer includes the lead that is labyrinth pattern cabling, and the described lead that is labyrinth pattern cabling and keyboard function of keeping secret processing section are with line conduction on the printed circuit board (PCB).
Compare with prior art; metal encrypted keyboard of the present invention; the employing metal material is made; by the little axle of protection is set; protective cover is set, protective cover especially, and dispose appropriately that keyboard function of keeping secret processing section distributes with the components and parts of printed circuit board (PCB) and the encryption technology means such as level distribution of circuit connection; can improve the data security degree of keyboard operation greatly, effectively prevent the data leakage and be stolen.
Description of drawings
Fig. 1 is six views of structure of metal encrypted keyboard embodiment of the present invention.
Fig. 2 is the single press-key structure schematic diagram of the embodiment of the invention.
Fig. 3 is the panel construction schematic diagram of the embodiment of the invention.
Fig. 4 is the little axle construction schematic diagram of the protection of the embodiment of the invention.
Fig. 5 is the protective cover structural representation of the embodiment of the invention.
Fig. 6 is the safeguard protection line layer structural representation of the embodiment of the invention.
Embodiment
Be described in detail below in conjunction with the most preferred embodiment of the present invention shown in the accompanying drawing
Metal encrypted keyboard of the present invention such as Fig. 1 to 6 illustrate, and each face view of keyboard is illustrated by Fig. 1, and wherein: Figure 1A is a front view, and Figure 1B is a upward view, and Fig. 1 C is a vertical view, and Fig. 1 D is a right view, and Fig. 1 E is a left view, and Fig. 1 F is a rearview.Metal encrypted keyboard of the present invention, comprise the panel that distributes successively from top to bottom, liner plate, sealing gasket, conductive rubber keypad, button is electrically connected printed circuit board (PCB) and base, described panel and base surround out the keyboard cavity, are provided with keyboard in this cavity and handle with printed circuit board (PCB) and supplying cell, on the described panel perforate are arranged, each button stretches out from described perforate, also comprises the little axle of protection between described panel and liner plate; Described keyboard is handled can be divided into function of keeping secret processing section and unclassified function treatment part with printed circuit board (PCB), and the one side of the placement components and parts of described function of keeping secret processing section is sealed with protective cover.
As shown in Figure 2, single button comprises button contact 30, the metal keycap 10 that is connected with described key contacts 30, and be positioned at key panel 20 on this metal keycap 10; Described metal keycap 10 is provided with the fluting in order to the described key panel 20 of setting-in.Actual metal keycap 10 bottoms and button contact 30 junctions are positioned at the groove of metal keycap 10 bottoms, in order to strengthen the reliability of button operation, user's actuation of keys is delivered to button contact 30 by keycap 10 equably, again by this contact 30 inducing switch button contactors action, specially button contact 30 is designed to less than metal keycap 10 bottoms, and is inlaid in recessed being pickled with grains or in wine of metal keycap 10 bottoms.
Figure 1A has provided the button distribution situation of metal encrypted keyboard main body, and the left side is the numerical portion of 4*3, and the right is the command component of 4*1.For the numerical portion of ATM operation keyboard main body, button adopts a contact to get final product, and for command component, because the keycap lengthwise dimension is bigger, can adopt two contacts.The structure of numerical portion button and Aspect Ratio as can be seen from Figure, numerical chracter is arranged on the lower right of panel, numerical chracter is to be engraved on the panel, and in cutting the blacking of filling wear-resisting, adopting adapted black character under the situation of aluminum panel like this, owing to be that embedding is carved, button useful life can be very long on the one hand, collocation of colour is also very eye-catching on the one hand, and attractive in appearance.The blind person uses metal encrypted keyboard of the present invention for convenience, is provided with the blind spot of projection on numerical chracter 5 left sides of button [5], and the blind person can infer the distributing position of each button according to this blind spot.As seen, the panel construction of button [cancellation], the left side is the literal as marking keys, Chinese " cancellation " in the above, English " Cancel " below, literal also is to be engraved on the panel, and in cutting the encrimson of filling wear-resisting, adopting red sign is for eye-catching and attractive in appearance equally, and also is provided with the sign of projection on the right of panel, and purpose also is that the blind person uses metal encrypted keyboard of the present invention for convenience; The panel construction of button [corrigendum], the left side is the literal as marking keys, Chinese " corrigendum " in the above, English " Correct " below, literal also is to be engraved on the panel, and in cutting the orange pigment of filling wear-resisting, adopting the black sign is for eye-catching and attractive in appearance equally, and also being provided with protruding sign on the right of panel, purpose also is that the blind person uses metal encrypted keyboard of the present invention for convenience; The panel construction of button [input], the left side is the literal as marking keys, Chinese " input " in the above, English " Enter " below, literal also is to be engraved on the panel, and in cutting the green coating of filling wear-resisting, adopting green sign is for eye-catching and attractive in appearance equally, and also being provided with protruding sign on the right of panel, purpose also is that the blind person uses metal encrypted keyboard of the present invention for convenience.
The button of metal encrypted keyboard of the present invention, described metal keycap 10 adopts powdered-metal one injection-compression molding, with respect to traditional machining fluting, can enhance productivity greatly and end product quality, thereby reduce manufacturing cost.And the mounting structure of key panel 20 and metal keycap 10 makes the whole erection process of keyboard simplify, and in the use of keyboard, it is also convenient especially to safeguard.
Fig. 3 is the structural representation of the described panel of keyboard of the present invention, has the square opening that stretches out for button on it.
Fig. 4 is the structural representation of the little axle of the described protection of keyboard of the present invention; it adopts electric conducting material one-body molded; when external force attempt illegally to open/when cutting the keyboard metal decking; protect the little axle just can be not simultaneously and panel and liner plate conducting; this kind state variation-because during normal closed state, protect little axle while and panel and liner plate conducting can be arrived by internal circuitry senses entry; thereby make the corresponding action of maintaining secrecy, such as the deletion private data.
Fig. 5 is the structural representation of the described protective cover of keyboard of the present invention; it physically is closed the components and parts that relate to encrypting keyboard data processing and preservation; and the surface is provided with the safeguard protection line layer within it; as shown in Figure 6; described safeguard protection line layer includes the lead that is labyrinth pattern cabling, and the described lead that is labyrinth pattern cabling is connected with circuit on the printed circuit board (PCB) with keyboard function of keeping secret processing section.This protective cover adopts metal material to make; when external force attempt illegally to open/when cutting it; the described lead that is labyrinth pattern cabling can be cut off; this kind state variation-because during normal closed state; the described lead that is labyrinth pattern cabling is intact; can be arrived by internal circuitry senses entry, thereby make the corresponding action of maintaining secrecy, such as the deletion private data.
In order to prevent electromagnetic exposure; described keyboard function of keeping secret processing section is a sandwich construction with printed circuit board (PCB); from placing the one side number of components and parts; comprise element layer successively; push button signalling process circuit layer and stratum; described protective cover and the stratum short circuit circuit protection cavity of encircling a city, and whole push button signalling process circuit layer is positioned at this protection cavity.
Because keyboard of the present invention adopts battery that the internal circuit working power is provided, the replacing of battery is the problem that must run in the keyboard working service, under the prerequisite of property aspect the assurance battery altering, for preventing illegally to contact cryptographic processing circuit and relevant enciphered data, structurally battery cavities is designed to an independent chamber that separates with the main circuit chamber by battery cavities.
Because the treatment circuit of keyboard, belong to the technology of existing maturation with technical characterictic such as external apparatus interface, will not give unnecessary details here.
Main thought of the present invention is: by the little axle of protection is set below key panel, in components and parts face one side of need secrecy processing circuit protective cover is set, and in this protective cover the confidential nature that safe protective covering improves keyboard is set.Based on these thinkings the disclosed most preferred embodiment of the present invention is not had creationary simple replacement, change, or do further invention, all belong to the present invention's enforcement.
Claims (9)
1, a kind of metal encrypted keyboard, comprise the panel that distributes successively from top to bottom, liner plate, sealing gasket, conductive rubber keypad, button is electrically connected printed circuit board (PCB) and base, described panel and base surround out the keyboard cavity, are provided with keyboard in this cavity and handle with printed circuit board (PCB) and supplying cell, on the described panel perforate are arranged, each button stretches out from described perforate, it is characterized in that:
Also comprise the little axle of protection between described panel and liner plate, the little axle of described protection adopts electric conducting material one-body molded and simultaneously and panel and liner plate conducting, and the little axle of described protection comprises two sections column structures that bore does not up and down wait; Described keyboard is handled can be divided into function of keeping secret processing section and unclassified function treatment part with printed circuit board (PCB), and the one side of the placement components and parts of described function of keeping secret processing section is sealed with protective cover.
2, metal encrypted keyboard as claimed in claim 1 is characterized in that:
Described protective cover is a metal material; described keyboard function of keeping secret processing section is a sandwich construction with printed circuit board (PCB); from placing the one side number of components and parts; comprise element layer successively; push button signalling process circuit layer and stratum; described protective cover and stratum short circuit surround a circuit protection cavity, and whole push button signalling process circuit layer is positioned at this protection cavity.
3, metal encrypted keyboard as claimed in claim 2 is characterized in that:
Described button comprises one or two button contact, the metal keycap that is connected with described key contacts, and be positioned at key panel on this metal keycap, described metal keycap is provided with the fluting in order to the described key panel of setting-in.
4, metal encrypted keyboard as claimed in claim 3 is characterized in that:
Described key panel is provided with marking keys, and described marking keys is included in the symbol that carves on the key panel, and the described symbol that carves on key panel adopts the high-abrasive material filled coloring.
5, metal encrypted keyboard as claimed in claim 4 is characterized in that:
Described marking keys also comprises sign, and/or the blind person indicates with the key arrangement position.
6, metal encrypted keyboard as claimed in claim 1 is characterized in that:
The number of the little axle of described protection is preferably 3.
7, as the arbitrary described metal encrypted keyboard of claim 1 to 6, it is characterized in that:
The inner surface of described protective cover is provided with the safeguard protection line layer.
8, metal encrypted keyboard as claimed in claim 7 is characterized in that:
Described safeguard protection line layer includes the lead that is labyrinth pattern cabling.
9, metal encrypted keyboard as claimed in claim 8 is characterized in that:
Described lead that is labyrinth pattern cabling and keyboard function of keeping secret processing section are with line conduction on the printed circuit board (PCB).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100330318A CN100559531C (en) | 2005-01-26 | 2005-01-26 | Metal encrypted keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100330318A CN100559531C (en) | 2005-01-26 | 2005-01-26 | Metal encrypted keyboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1812031A CN1812031A (en) | 2006-08-02 |
| CN100559531C true CN100559531C (en) | 2009-11-11 |
Family
ID=36844872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100330318A Active CN100559531C (en) | 2005-01-26 | 2005-01-26 | Metal encrypted keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100559531C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101697182B (en) | 2009-09-29 | 2011-10-05 | 广州广电运通金融电子股份有限公司 | Encryption keyboard |
| CN101930633B (en) | 2010-08-27 | 2012-11-14 | 广州广电运通金融电子股份有限公司 | Prying-prevention keyboard of automatic telling machine |
| CN103150811A (en) * | 2013-03-19 | 2013-06-12 | 南京达淳机械工程技术有限公司 | Metal encryption keyboard and manufacturing method |
| CN103198561A (en) * | 2013-04-02 | 2013-07-10 | 深圳市睿兴胜电子科技有限公司 | Metal encryption keyboard and production method thereof |
| US9430675B2 (en) * | 2013-05-21 | 2016-08-30 | Ncr Corporation | Encrypting pin pad |
| CN105719879A (en) * | 2015-08-07 | 2016-06-29 | 深圳市证通电子股份有限公司 | Encryption keyboard and manufacturing method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4644326A (en) * | 1983-06-03 | 1987-02-17 | Secure Keyboards Limited | Unitary key panel |
-
2005
- 2005-01-26 CN CNB2005100330318A patent/CN100559531C/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4644326A (en) * | 1983-06-03 | 1987-02-17 | Secure Keyboards Limited | Unitary key panel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1812031A (en) | 2006-08-02 |
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