DE69531569D1 - System zum Speichern und Übertragen von Information - Google Patents

System zum Speichern und Übertragen von Information

Info

Publication number
DE69531569D1
DE69531569D1 DE69531569T DE69531569T DE69531569D1 DE 69531569 D1 DE69531569 D1 DE 69531569D1 DE 69531569 T DE69531569 T DE 69531569T DE 69531569 T DE69531569 T DE 69531569T DE 69531569 D1 DE69531569 D1 DE 69531569D1
Authority
DE
Germany
Prior art keywords
terminal
information
random number
image
signal
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.)
Expired - Lifetime
Application number
DE69531569T
Other languages
English (en)
Other versions
DE69531569T2 (de
Inventor
John P Palmer
Anaikuppam Marudarajan
Joseph Tran
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xylon LLC
Original Assignee
Kipp Ludwig
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kipp Ludwig filed Critical Kipp Ludwig
Application granted granted Critical
Publication of DE69531569D1 publication Critical patent/DE69531569D1/de
Publication of DE69531569T2 publication Critical patent/DE69531569T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10019—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers.
    • G06K7/10029—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers. the collision being resolved in the time domain, e.g. using binary tree search or RFID responses allocated to a random time slot
    • G06K7/10059—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers. the collision being resolved in the time domain, e.g. using binary tree search or RFID responses allocated to a random time slot transponder driven
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
    • G07G1/00—Cash registers
    • G07G1/0036—Checkout procedures
    • G07G1/0045—Checkout procedures with a code reader for reading of an identifying code of the article to be registered, e.g. barcode reader or radio-frequency identity [RFID] reader
    • G07G1/0054—Checkout procedures with a code reader for reading of an identifying code of the article to be registered, e.g. barcode reader or radio-frequency identity [RFID] reader with control of supplementary check-parameters, e.g. weight or number of articles
DE69531569T 1994-05-31 1995-04-20 System zum Speichern und Übertragen von Information Expired - Lifetime DE69531569T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/251,522 US5530702A (en) 1994-05-31 1994-05-31 System for storage and communication of information
US251522 1994-05-31

Publications (2)

Publication Number Publication Date
DE69531569D1 true DE69531569D1 (de) 2003-10-02
DE69531569T2 DE69531569T2 (de) 2004-06-17

Family

ID=22952328

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69531569T Expired - Lifetime DE69531569T2 (de) 1994-05-31 1995-04-20 System zum Speichern und Übertragen von Information

Country Status (5)

Country Link
US (1) US5530702A (de)
EP (1) EP0689151B1 (de)
AT (1) ATE248406T1 (de)
CA (1) CA2146276C (de)
DE (1) DE69531569T2 (de)

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ATE248406T1 (de) 2003-09-15
EP0689151A3 (de) 2000-01-19
EP0689151A2 (de) 1995-12-27
DE69531569T2 (de) 2004-06-17
CA2146276A1 (en) 1995-12-01
US5530702A (en) 1996-06-25
EP0689151B1 (de) 2003-08-27
CA2146276C (en) 1998-06-30

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