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GB2238210B - Electronic identification tag - Google Patents

Electronic identification tag

Info

Publication number
GB2238210B
GB2238210B GB8925692A GB8925692A GB2238210B GB 2238210 B GB2238210 B GB 2238210B GB 8925692 A GB8925692 A GB 8925692A GB 8925692 A GB8925692 A GB 8925692A GB 2238210 B GB2238210 B GB 2238210B
Authority
GB
United Kingdom
Prior art keywords
identification tag
electronic identification
electronic
tag
identification
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
GB8925692A
Other versions
GB2238210A (en
GB8925692D0 (en
Inventor
John Willins Arthur
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.)
Garrett Motion UK Ltd
Original Assignee
Racal MESL Ltd
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 Racal MESL Ltd filed Critical Racal MESL Ltd
Priority to GB8925692A priority Critical patent/GB2238210B/en
Publication of GB8925692D0 publication Critical patent/GB8925692D0/en
Publication of GB2238210A publication Critical patent/GB2238210A/en
Application granted granted Critical
Publication of GB2238210B publication Critical patent/GB2238210B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01S13/755—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 delay lines, e.g. acoustic delay lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Near-Field Transmission Systems (AREA)
GB8925692A 1989-11-14 1989-11-14 Electronic identification tag Expired - Fee Related GB2238210B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8925692A GB2238210B (en) 1989-11-14 1989-11-14 Electronic identification tag

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8925692A GB2238210B (en) 1989-11-14 1989-11-14 Electronic identification tag

Publications (3)

Publication Number Publication Date
GB8925692D0 GB8925692D0 (en) 1990-01-04
GB2238210A GB2238210A (en) 1991-05-22
GB2238210B true GB2238210B (en) 1994-03-16

Family

ID=10666267

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8925692A Expired - Fee Related GB2238210B (en) 1989-11-14 1989-11-14 Electronic identification tag

Country Status (1)

Country Link
GB (1) GB2238210B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2993186B2 (en) * 1991-06-28 1999-12-20 株式会社デンソー Aircraft baggage management system
DE4336897C1 (en) * 1993-10-28 1995-03-09 Siemens Ag Identification system with SAW ID-tags
DE4336896C2 (en) * 1993-10-28 1995-08-31 Siemens Ag Process for the energy supply of identification marks working with surface acoustic waves and connected with active electronics
DE4337637A1 (en) * 1993-11-04 1995-05-11 Licentia Gmbh Transponder and data communication system
DE59509359D1 (en) * 1994-04-15 2001-08-02 Siemens Ag Sensor system
DE4413211C2 (en) * 1994-04-15 1997-04-24 Siemens Ag Identification and / or sensor system
US6836468B1 (en) * 1996-05-13 2004-12-28 Micron Technology, Inc. Radio frequency data communications device
US6941124B1 (en) 1996-05-13 2005-09-06 Micron Technology, Inc. Method of speeding power-up of an amplifier, and amplifier
US6130602A (en) 1996-05-13 2000-10-10 Micron Technology, Inc. Radio frequency data communications device
DE19957557A1 (en) * 1999-11-30 2001-06-07 Siemens Ag Identification system, esp. for vehicle
EP1221678A1 (en) * 2001-01-09 2002-07-10 Telectronic SA Receiver for sensing an electromagnetic signal and device using such a receiver
US7103948B1 (en) * 2002-01-28 2006-09-12 Rf Saw Components, Inc. Method of manufacturing piezoelectric wafers of saw identification tags
FR2879301B1 (en) * 2004-12-15 2007-01-26 Temex Sa SURFACE ACOUSTIC WAVE TRANSPONDERS
US10989788B2 (en) * 2016-11-17 2021-04-27 Lion Group, Inc. Radio frequency identification (RFID) system for determining location

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1544774A (en) * 1977-01-24 1979-04-25 Secr Defence Radio identification systems
GB2046059A (en) * 1979-01-12 1980-11-05 Motorola Inc Coded coherent transponder
US4454488A (en) * 1982-07-08 1984-06-12 R F Monolithics, Inc. Surface acoustic wave resonator with middle grating
GB2210538A (en) * 1987-09-26 1989-06-07 Matsushita Electric Works Ltd Moving object discriminating system
EP0337703A2 (en) * 1988-04-11 1989-10-18 Hitachi, Ltd. Surface acoustic wave filter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1544774A (en) * 1977-01-24 1979-04-25 Secr Defence Radio identification systems
GB2046059A (en) * 1979-01-12 1980-11-05 Motorola Inc Coded coherent transponder
US4454488A (en) * 1982-07-08 1984-06-12 R F Monolithics, Inc. Surface acoustic wave resonator with middle grating
GB2210538A (en) * 1987-09-26 1989-06-07 Matsushita Electric Works Ltd Moving object discriminating system
EP0337703A2 (en) * 1988-04-11 1989-10-18 Hitachi, Ltd. Surface acoustic wave filter

Also Published As

Publication number Publication date
GB2238210A (en) 1991-05-22
GB8925692D0 (en) 1990-01-04

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20071114