GB2306080B - Improvements in or relating to detection systems - Google Patents

Improvements in or relating to detection systems

Info

Publication number
GB2306080B
GB2306080B GB9520640A GB9520640A GB2306080B GB 2306080 B GB2306080 B GB 2306080B GB 9520640 A GB9520640 A GB 9520640A GB 9520640 A GB9520640 A GB 9520640A GB 2306080 B GB2306080 B GB 2306080B
Authority
GB
United Kingdom
Prior art keywords
relating
detection systems
systems
detection
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 - Lifetime
Application number
GB9520640A
Other versions
GB2306080A (en
GB9520640D0 (en
Inventor
Christopher Keith Richardson
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.)
Roke Manor Research Ltd
Original Assignee
Roke Manor Research 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 Roke Manor Research Ltd filed Critical Roke Manor Research Ltd
Priority to GB9520640A priority Critical patent/GB2306080B/en
Publication of GB9520640D0 publication Critical patent/GB9520640D0/en
Publication of GB2306080A publication Critical patent/GB2306080A/en
Application granted granted Critical
Publication of GB2306080B publication Critical patent/GB2306080B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Theoretical Computer Science (AREA)
  • Burglar Alarm Systems (AREA)
GB9520640A 1995-10-10 1995-10-10 Improvements in or relating to detection systems Expired - Lifetime GB2306080B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9520640A GB2306080B (en) 1995-10-10 1995-10-10 Improvements in or relating to detection systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9520640A GB2306080B (en) 1995-10-10 1995-10-10 Improvements in or relating to detection systems

Publications (3)

Publication Number Publication Date
GB9520640D0 GB9520640D0 (en) 1996-07-17
GB2306080A GB2306080A (en) 1997-04-23
GB2306080B true GB2306080B (en) 2000-02-16

Family

ID=10782029

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9520640A Expired - Lifetime GB2306080B (en) 1995-10-10 1995-10-10 Improvements in or relating to detection systems

Country Status (1)

Country Link
GB (1) GB2306080B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9911878D0 (en) 1999-05-22 1999-07-21 Marconi Electronic Syst Ltd Identification tag
GB2395438A (en) * 2002-11-20 2004-05-26 Qinetiq Ltd Golf ball locating system
US8140053B2 (en) 2004-10-13 2012-03-20 Siemens Enterprise Communications Gmbh & Co. Kg Mobile telecommunications terminal comprising RFID functions and associated method
WO2020180847A1 (en) 2019-03-05 2020-09-10 The Procter & Gamble Company Wireless monitoring system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3895368A (en) * 1972-08-09 1975-07-15 Sensormatic Electronics Corp Surveillance system and method utilizing both electrostatic and electromagnetic fields
US4139844A (en) * 1977-10-07 1979-02-13 Sensormatic Electronics Corporation Surveillance method and system with electromagnetic carrier and plural range limiting signals
US5278573A (en) * 1990-08-06 1994-01-11 Sensormatic Electronics Corporation Electronic article surveillance system and tag circuit components therefor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3895368A (en) * 1972-08-09 1975-07-15 Sensormatic Electronics Corp Surveillance system and method utilizing both electrostatic and electromagnetic fields
US4139844A (en) * 1977-10-07 1979-02-13 Sensormatic Electronics Corporation Surveillance method and system with electromagnetic carrier and plural range limiting signals
US5278573A (en) * 1990-08-06 1994-01-11 Sensormatic Electronics Corporation Electronic article surveillance system and tag circuit components therefor

Also Published As

Publication number Publication date
GB2306080A (en) 1997-04-23
GB9520640D0 (en) 1996-07-17

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20151009