DE3774473D1 - Elektromagnetisches identifizierungssystem. - Google Patents

Elektromagnetisches identifizierungssystem.

Info

Publication number
DE3774473D1
DE3774473D1 DE8787200633T DE3774473T DE3774473D1 DE 3774473 D1 DE3774473 D1 DE 3774473D1 DE 8787200633 T DE8787200633 T DE 8787200633T DE 3774473 T DE3774473 T DE 3774473T DE 3774473 D1 DE3774473 D1 DE 3774473D1
Authority
DE
Germany
Prior art keywords
interrogation field
receiver circuit
code
transmitter
electrical characteristics
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 - Fee Related
Application number
DE8787200633T
Other languages
English (en)
Inventor
Harm Jacob Kip
Tallienco Wieand Harm Fockens
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.)
Nederlandsche Apparatenfabriek NEDAP NV
Original Assignee
Nederlandsche Apparatenfabriek NEDAP NV
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 Nederlandsche Apparatenfabriek NEDAP NV filed Critical Nederlandsche Apparatenfabriek NEDAP NV
Application granted granted Critical
Publication of DE3774473D1 publication Critical patent/DE3774473D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G06K7/10039—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 interrogator driven, i.e. synchronous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00—Recording or indicating positions or identities of vehicles or vehicle trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or vehicle trains
    • B61L25/04—Indicating or recording train identities
    • B61L25/043—Indicating or recording train identities using inductive tags
    • 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
DE8787200633T 1986-04-22 1987-04-21 Elektromagnetisches identifizierungssystem. Expired - Fee Related DE3774473D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8601021A NL8601021A (nl) 1986-04-22 1986-04-22 Programmeerbare responder.

Publications (1)

Publication Number Publication Date
DE3774473D1 true DE3774473D1 (de) 1991-12-19

Family

ID=19847916

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787200633T Expired - Fee Related DE3774473D1 (de) 1986-04-22 1987-04-21 Elektromagnetisches identifizierungssystem.

Country Status (13)

Country Link
US (1) US5105190A (de)
EP (1) EP0242906B1 (de)
JP (2) JPH0691484B2 (de)
AT (1) ATE69517T1 (de)
AU (1) AU589765B2 (de)
CA (1) CA1290841C (de)
DE (1) DE3774473D1 (de)
DK (1) DK205387A (de)
ES (1) ES2027276T3 (de)
IL (1) IL82299A0 (de)
NL (1) NL8601021A (de)
NO (1) NO871647L (de)
NZ (1) NZ220034A (de)

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JPS61283981A (ja) * 1985-06-11 1986-12-13 Nippon Denzai Kogyo Kenkyusho:Kk 集積回路カ−ド

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ES2027276T3 (es) 1992-06-01
IL82299A0 (en) 1987-10-30
ATE69517T1 (de) 1991-11-15
DK205387A (da) 1987-10-23
NO871647L (no) 1987-10-23
NL8601021A (nl) 1987-11-16
JPH0691484B2 (ja) 1994-11-14
EP0242906B1 (de) 1991-11-13
JPH05347572A (ja) 1993-12-27
JPH0761032B2 (ja) 1995-06-28
EP0242906A1 (de) 1987-10-28
AU7185587A (en) 1987-10-29
CA1290841C (en) 1991-10-15
DK205387D0 (da) 1987-04-22
AU589765B2 (en) 1989-10-19
JPS62289023A (ja) 1987-12-15
NZ220034A (en) 1990-06-26
NO871647D0 (no) 1987-04-21
US5105190A (en) 1992-04-14

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