GB8803870D0 - Communication system - Google Patents

Communication system

Info

Publication number
GB8803870D0
GB8803870D0 GB888803870A GB8803870A GB8803870D0 GB 8803870 D0 GB8803870 D0 GB 8803870D0 GB 888803870 A GB888803870 A GB 888803870A GB 8803870 A GB8803870 A GB 8803870A GB 8803870 D0 GB8803870 D0 GB 8803870D0
Authority
GB
United Kingdom
Prior art keywords
communication system
communication
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.)
Pending
Application number
GB888803870A
Other versions
GB2202108A (en
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.)
ELECT IDENTIFIC SYST AS
Original Assignee
ELECT IDENTIFIC SYST AS
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 ELECT IDENTIFIC SYST AS filed Critical ELECT IDENTIFIC SYST AS
Publication of GB8803870D0 publication Critical patent/GB8803870D0/en
Publication of GB2202108A publication Critical patent/GB2202108A/en
Pending 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
    • 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
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K11/00—Marking of animals
    • A01K11/006—Automatic identification systems for animals, e.g. electronic devices, transponders for animals
    • 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
    • B61L25/045—Indicating or recording train identities using reradiating tags
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors
    • G01S13/751—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal
    • G01S13/758—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal using a signal generator powered by the interrogation signal
    • 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
    • G06K19/0724—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 the arrangement being a circuit for communicating at a plurality of frequencies, e.g. for managing time multiplexed communication over at least two antennas of different types
    • 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
GB08803870A 1987-03-03 1988-02-19 Transponder identification Pending GB2202108A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK110387A DK110387A (en) 1987-03-03 1987-03-03 COMMUNICATION SYSTEM

Publications (2)

Publication Number Publication Date
GB8803870D0 true GB8803870D0 (en) 1988-03-23
GB2202108A GB2202108A (en) 1988-09-14

Family

ID=8101033

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08803870A Pending GB2202108A (en) 1987-03-03 1988-02-19 Transponder identification

Country Status (6)

Country Link
JP (1) JPS63229924A (en)
DE (1) DE3805343A1 (en)
DK (1) DK110387A (en)
GB (1) GB2202108A (en)
NL (1) NL8800514A (en)
SE (1) SE8800724L (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE464844B (en) * 1989-08-23 1991-06-17 Henoch Bengt PROCEDURE TO CONTACT TRANSFER TRANSFER INFORMATION BETWEEN A TRANSMITTER / RECEIVER UNIT AND A TRANSPONDER
JP3018708B2 (en) * 1992-01-31 2000-03-13 神鋼電機株式会社 Wireless communication device
US5317330A (en) * 1992-10-07 1994-05-31 Westinghouse Electric Corp. Dual resonant antenna circuit for RF tags
US5477215A (en) * 1993-08-02 1995-12-19 At&T Corp. Arrangement for simultaneously interrogating a plurality of portable radio frequency communication devices
DE69516568T2 (en) * 1994-03-04 2001-01-04 Ncr Int Inc Extended wireless transmission system with modulated reflection
FR2723238B1 (en) * 1994-07-27 1996-09-13 Suisse Electronique Microtech COMMUNICATION SYSTEM BETWEEN A BASE STATION AND A PASSIVE TRANSPONDER
US6650230B1 (en) 1998-11-19 2003-11-18 Ncr Corporation Modulated backscatter wireless communication system having an extended range
DE10021394A1 (en) * 2000-05-03 2001-11-15 Sab Service Und Fertigung Von Automatic door for passing animal through has detector of identity device worn by animal within defined range of door, actuator for opening door in response to presence of identity device
DE102005061438A1 (en) * 2005-12-22 2007-07-05 Atmel Germany Gmbh Transponder and method for operating a transponder

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3137847A (en) * 1959-11-04 1964-06-16 Link Aviation Inc Signalling system
GB1085704A (en) * 1964-10-30 1967-10-04 Nat Res Dev Apparatus for detecting an object
GB1297279A (en) * 1969-07-09 1972-11-22
GB1257692A (en) * 1969-07-28 1971-12-22

Also Published As

Publication number Publication date
GB2202108A (en) 1988-09-14
SE8800724D0 (en) 1988-03-02
NL8800514A (en) 1988-10-03
SE8800724L (en) 1988-09-04
DK110387A (en) 1988-09-04
DE3805343A1 (en) 1988-09-15
DK110387D0 (en) 1987-03-03
JPS63229924A (en) 1988-09-26

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