ATE69533T1 - Identifikationssystem und transponder. - Google Patents

Identifikationssystem und transponder.

Info

Publication number
ATE69533T1
ATE69533T1 AT85901222T AT85901222T ATE69533T1 AT E69533 T1 ATE69533 T1 AT E69533T1 AT 85901222 T AT85901222 T AT 85901222T AT 85901222 T AT85901222 T AT 85901222T AT E69533 T1 ATE69533 T1 AT E69533T1
Authority
AT
Austria
Prior art keywords
data
frequency
signal
pit
shift
Prior art date
Application number
AT85901222T
Other languages
English (en)
Inventor
Thomas A Milheiser
Original Assignee
Destron Idi Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24320949&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE69533(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Destron Idi Inc filed Critical Destron Idi Inc
Application granted granted Critical
Publication of ATE69533T1 publication Critical patent/ATE69533T1/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/20—Individual registration on entry or exit involving the use of a pass
    • G07C9/28—Individual registration on entry or exit involving the use of a pass the pass enabling tracking or indicating presence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/044—Speed or phase control by synchronisation signals using special codes as synchronising signal using a single bit, e.g. start stop bit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/046—Speed or phase control by synchronisation signals using special codes as synchronising signal using a dotting sequence
AT85901222T 1984-02-15 1985-02-15 Identifikationssystem und transponder. ATE69533T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US58040184A 1984-02-15 1984-02-15
EP85901222A EP0171433B2 (de) 1984-02-15 1985-02-15 Identifikationssystem und transponder
PCT/US1985/000232 WO1985003831A1 (en) 1984-02-15 1985-02-15 Identification system

Publications (1)

Publication Number Publication Date
ATE69533T1 true ATE69533T1 (de) 1991-11-15

Family

ID=24320949

Family Applications (1)

Application Number Title Priority Date Filing Date
AT85901222T ATE69533T1 (de) 1984-02-15 1985-02-15 Identifikationssystem und transponder.

Country Status (8)

Country Link
US (3) US4730188A (de)
EP (1) EP0171433B2 (de)
JP (1) JPS60171475A (de)
AT (1) ATE69533T1 (de)
AU (1) AU4062285A (de)
CA (1) CA1264840A (de)
DE (1) DE3584651D1 (de)
WO (1) WO1985003831A1 (de)

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Also Published As

Publication number Publication date
WO1985003831A1 (en) 1985-08-29
US5041826A (en) 1991-08-20
EP0171433B1 (de) 1991-11-13
EP0171433A1 (de) 1986-02-19
DE3584651D1 (de) 1991-12-19
US5166676A (en) 1992-11-24
JPS60171475A (ja) 1985-09-04
US4730188A (en) 1988-03-08
CA1264840A (en) 1990-01-23
EP0171433B2 (de) 2000-04-19
AU4062285A (en) 1985-09-10
EP0171433A4 (de) 1988-01-07

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