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IL82299A0 - Electromagnetic identification system - Google Patents

Electromagnetic identification system

Info

Publication number
IL82299A0
IL82299A0 IL82299A IL8229987A IL82299A0 IL 82299 A0 IL82299 A0 IL 82299A0 IL 82299 A IL82299 A IL 82299A IL 8229987 A IL8229987 A IL 8229987A IL 82299 A0 IL82299 A0 IL 82299A0
Authority
IL
Israel
Prior art keywords
interrogation field
receiver circuit
code
transmitter
electrical characteristics
Prior art date
Application number
IL82299A
Other languages
English (en)
Original Assignee
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 Nedap Nv filed Critical Nedap Nv
Publication of IL82299A0 publication Critical patent/IL82299A0/xx

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 trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Toxicology (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Near-Field Transmission Systems (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Cash Registers Or Receiving Machines (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Burglar Alarm Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
IL82299A 1986-04-22 1987-04-22 Electromagnetic identification system IL82299A0 (en)

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
IL82299A0 true IL82299A0 (en) 1987-10-30

Family

ID=19847916

Family Applications (1)

Application Number Title Priority Date Filing Date
IL82299A IL82299A0 (en) 1986-04-22 1987-04-22 Electromagnetic identification system

Country Status (13)

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

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Also Published As

Publication number Publication date
DE3774473D1 (de) 1991-12-19
EP0242906A1 (en) 1987-10-28
NO871647D0 (no) 1987-04-21
AU589765B2 (en) 1989-10-19
JPH0761032B2 (ja) 1995-06-28
NZ220034A (en) 1990-06-26
JPH05347572A (ja) 1993-12-27
AU7185587A (en) 1987-10-29
ATE69517T1 (de) 1991-11-15
ES2027276T3 (es) 1992-06-01
DK205387A (da) 1987-10-23
NO871647L (no) 1987-10-23
JPS62289023A (ja) 1987-12-15
EP0242906B1 (en) 1991-11-13
DK205387D0 (da) 1987-04-22
US5105190A (en) 1992-04-14
CA1290841C (en) 1991-10-15
NL8601021A (nl) 1987-11-16
JPH0691484B2 (ja) 1994-11-14

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