DE69929103D1 - Transpondersystem und Verfahren - Google Patents

Transpondersystem und Verfahren

Info

Publication number
DE69929103D1
DE69929103D1 DE69929103T DE69929103T DE69929103D1 DE 69929103 D1 DE69929103 D1 DE 69929103D1 DE 69929103 T DE69929103 T DE 69929103T DE 69929103 T DE69929103 T DE 69929103T DE 69929103 D1 DE69929103 D1 DE 69929103D1
Authority
DE
Germany
Prior art keywords
procedure
transponder system
transponder
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
DE69929103T
Other languages
English (en)
Other versions
DE69929103T2 (de
Inventor
David A Johnson
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.)
Assa Abloy AB
Original Assignee
HID Corp
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 HID Corp filed Critical HID Corp
Application granted granted Critical
Publication of DE69929103D1 publication Critical patent/DE69929103D1/de
Publication of DE69929103T2 publication Critical patent/DE69929103T2/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
    • G06K7/10118—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 the sensing being preceded by at least one preliminary step
    • G06K7/10128—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 the sensing being preceded by at least one preliminary step the step consisting of detection of the presence of one or more record carriers in the vicinity of the interrogation device
    • 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
    • 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
DE69929103T 1998-03-20 1999-03-11 Transpondersystem und Verfahren Expired - Lifetime DE69929103T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US45860 1993-04-12
US09/045,860 US6476708B1 (en) 1998-03-20 1998-03-20 Detection of an RFID device by an RF reader unit operating in a reduced power state

Publications (2)

Publication Number Publication Date
DE69929103D1 true DE69929103D1 (de) 2006-02-02
DE69929103T2 DE69929103T2 (de) 2006-08-31

Family

ID=21940253

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69929103T Expired - Lifetime DE69929103T2 (de) 1998-03-20 1999-03-11 Transpondersystem und Verfahren

Country Status (4)

Country Link
US (1) US6476708B1 (de)
EP (1) EP0944014B1 (de)
DE (1) DE69929103T2 (de)
ES (1) ES2252914T3 (de)

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Also Published As

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EP0944014A3 (de) 2001-06-20
EP0944014A2 (de) 1999-09-22
ES2252914T3 (es) 2006-05-16
DE69929103T2 (de) 2006-08-31
EP0944014B1 (de) 2005-12-28
US6476708B1 (en) 2002-11-05

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