DK110387D0 - COMMUNICATION SYSTEM - Google Patents

COMMUNICATION SYSTEM

Info

Publication number
DK110387D0
DK110387D0 DK110387A DK110387A DK110387D0 DK 110387 D0 DK110387 D0 DK 110387D0 DK 110387 A DK110387 A DK 110387A DK 110387 A DK110387 A DK 110387A DK 110387 D0 DK110387 D0 DK 110387D0
Authority
DK
Denmark
Prior art keywords
communication system
communication
Prior art date
Application number
DK110387A
Other languages
Danish (da)
Other versions
DK110387A (en
Inventor
Niels Moelgaard
Knud Christian Claus Fabrin
Original Assignee
Electronic Identification Syst
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 Electronic Identification Syst filed Critical Electronic Identification Syst
Priority to DK110387A priority Critical patent/DK110387A/en
Publication of DK110387D0 publication Critical patent/DK110387D0/en
Priority to GB08803870A priority patent/GB2202108A/en
Priority to DE19883805343 priority patent/DE3805343A1/en
Priority to NL8800514A priority patent/NL8800514A/en
Priority to JP4943988A priority patent/JPS63229924A/en
Priority to SE8800724A priority patent/SE8800724L/en
Publication of DK110387A publication Critical patent/DK110387A/en

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; AVICULTURE; APICULTURE; PISCICULTURE; 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 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
    • B61L25/045—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Environmental Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Birds (AREA)
  • Zoology (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Artificial Intelligence (AREA)
  • Mechanical Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Television Systems (AREA)
  • Radio Relay Systems (AREA)
  • Noise Elimination (AREA)
DK110387A 1987-03-03 1987-03-03 COMMUNICATION SYSTEM DK110387A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DK110387A DK110387A (en) 1987-03-03 1987-03-03 COMMUNICATION SYSTEM
GB08803870A GB2202108A (en) 1987-03-03 1988-02-19 Transponder identification
DE19883805343 DE3805343A1 (en) 1987-03-03 1988-02-20 COMMUNICATION SYSTEM
NL8800514A NL8800514A (en) 1987-03-03 1988-02-29 COMMUNICATION SYSTEM.
JP4943988A JPS63229924A (en) 1987-03-03 1988-03-01 Communication system
SE8800724A SE8800724L (en) 1987-03-03 1988-03-02 KOMMUNIKATIONSANLEGGNING

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
DK110387D0 true DK110387D0 (en) 1987-03-03
DK110387A DK110387A (en) 1988-09-04

Family

ID=8101033

Family Applications (1)

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

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
CA2143144C (en) * 1994-03-03 1999-09-28 James Gifford Evans Modulated backscatter wireless communication system having an extended range
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
JPS63229924A (en) 1988-09-26
DK110387A (en) 1988-09-04
NL8800514A (en) 1988-10-03
SE8800724D0 (en) 1988-03-02
GB2202108A (en) 1988-09-14
GB8803870D0 (en) 1988-03-23
DE3805343A1 (en) 1988-09-15
SE8800724L (en) 1988-09-04

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Legal Events

Date Code Title Description
AHS Application shelved for other reasons than non-payment