GB2273422B - Communication system - Google Patents

Communication system

Info

Publication number
GB2273422B
GB2273422B GB9225789A GB9225789A GB2273422B GB 2273422 B GB2273422 B GB 2273422B GB 9225789 A GB9225789 A GB 9225789A GB 9225789 A GB9225789 A GB 9225789A GB 2273422 B GB2273422 B GB 2273422B
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.)
Expired - Fee Related
Application number
GB9225789A
Other versions
GB9225789D0 (en
GB2273422A (en
Inventor
Paul Kevin Kimber
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.)
BAE Systems Electronics Ltd
Original Assignee
GEC Marconi Ltd
Marconi Co 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 GEC Marconi Ltd, Marconi Co Ltd filed Critical GEC Marconi Ltd
Priority to GB9225789A priority Critical patent/GB2273422B/en
Publication of GB9225789D0 publication Critical patent/GB9225789D0/en
Publication of GB2273422A publication Critical patent/GB2273422A/en
Application granted granted Critical
Publication of GB2273422B publication Critical patent/GB2273422B/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
    • G01S13/756—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 for modifying the reflectivity of the reflector

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB9225789A 1992-12-10 1992-12-10 Communication system Expired - Fee Related GB2273422B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9225789A GB2273422B (en) 1992-12-10 1992-12-10 Communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9225789A GB2273422B (en) 1992-12-10 1992-12-10 Communication system

Publications (3)

Publication Number Publication Date
GB9225789D0 GB9225789D0 (en) 1993-02-03
GB2273422A GB2273422A (en) 1994-06-15
GB2273422B true GB2273422B (en) 1996-07-17

Family

ID=10726393

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9225789A Expired - Fee Related GB2273422B (en) 1992-12-10 1992-12-10 Communication system

Country Status (1)

Country Link
GB (1) GB2273422B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5841364A (en) * 1994-10-07 1998-11-24 Texas Instruments Incorporated Method and apparatus for transfering information from a transponder
EP2141635A1 (en) * 2008-06-30 2010-01-06 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO A radio frequency tag

Also Published As

Publication number Publication date
GB9225789D0 (en) 1993-02-03
GB2273422A (en) 1994-06-15

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20101210