GB2353436B - Tag interrogation system - Google Patents

Tag interrogation system

Info

Publication number
GB2353436B
GB2353436B GB9916551A GB9916551A GB2353436B GB 2353436 B GB2353436 B GB 2353436B GB 9916551 A GB9916551 A GB 9916551A GB 9916551 A GB9916551 A GB 9916551A GB 2353436 B GB2353436 B GB 2353436B
Authority
GB
United Kingdom
Prior art keywords
interrogation system
tag interrogation
tag
interrogation
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
GB9916551A
Other versions
GB9916551D0 (en
GB2353436A (en
Inventor
Simon Meldrum
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to GB9916551A priority Critical patent/GB2353436B/en
Publication of GB9916551D0 publication Critical patent/GB9916551D0/en
Publication of GB2353436A publication Critical patent/GB2353436A/en
Application granted granted Critical
Publication of GB2353436B publication Critical patent/GB2353436B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10019—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers.
    • G06K7/10029—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers. the collision being resolved in the time domain, e.g. using binary tree search or RFID responses allocated to a random time slot
    • G06K7/10039—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers. the collision being resolved in the time domain, e.g. using binary tree search or RFID responses allocated to a random time slot interrogator driven, i.e. synchronous
    • 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
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/767—Responders; Transponders
    • 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
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/78—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe
    • G01S13/781—Secondary Surveillance Radar [SSR] in general
    • G01S13/782—Secondary Surveillance Radar [SSR] in general using multimoding or selective addressing
    • 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)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB9916551A 1999-07-14 1999-07-14 Tag interrogation system Expired - Fee Related GB2353436B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9916551A GB2353436B (en) 1999-07-14 1999-07-14 Tag interrogation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9916551A GB2353436B (en) 1999-07-14 1999-07-14 Tag interrogation system

Publications (3)

Publication Number Publication Date
GB9916551D0 GB9916551D0 (en) 1999-09-15
GB2353436A GB2353436A (en) 2001-02-21
GB2353436B true GB2353436B (en) 2003-08-13

Family

ID=10857251

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9916551A Expired - Fee Related GB2353436B (en) 1999-07-14 1999-07-14 Tag interrogation system

Country Status (1)

Country Link
GB (1) GB2353436B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3672895B2 (en) 2002-07-04 2005-07-20 エル・エス・アイ ジャパン株式会社 Multiple ID multi-read method
GB2410161B (en) 2004-01-16 2008-09-03 Btg Int Ltd Method and system for calculating and verifying the integrity of data in data transmission system
GB0515108D0 (en) * 2005-07-25 2005-08-31 Siemens Ag Listen mode operation

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0300200A2 (en) * 1987-07-22 1989-01-25 Motorola Inc. Vehicle identification technique for vehicle monitoring system employing RF communications
EP0831618A2 (en) * 1996-09-19 1998-03-25 Texas Instruments Deutschland Gmbh Improvements in or relating to information/data transfer systems

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0300200A2 (en) * 1987-07-22 1989-01-25 Motorola Inc. Vehicle identification technique for vehicle monitoring system employing RF communications
EP0831618A2 (en) * 1996-09-19 1998-03-25 Texas Instruments Deutschland Gmbh Improvements in or relating to information/data transfer systems

Also Published As

Publication number Publication date
GB9916551D0 (en) 1999-09-15
GB2353436A (en) 2001-02-21

Similar Documents

Publication Publication Date Title
GB9925140D0 (en) Tag tracking system
GB2357360B (en) Alarm system
IL121250A0 (en) Tag system
EP1161139A4 (en) Animal tag
GB9912133D0 (en) Alarm system
GB2342749B (en) Identification system
GB0014030D0 (en) Information system
GB2353436B (en) Tag interrogation system
GB9919100D0 (en) Improved tag readers
AU1109500A (en) Part number identification tag
GB9922568D0 (en) Alarm system
IL149238A0 (en) Information providing system
GB9913588D0 (en) General alarm system
GB2352678B (en) Identification system
GB9911600D0 (en) Alarm system
GB9919659D0 (en) Interrogation system
CA87770S (en) Tag
PL350326A1 (en) Identification system
GB9920647D0 (en) An identification tag
GB9910987D0 (en) An identification tag
GB9910970D0 (en) Tag dispensing system
GB9903176D0 (en) Alarm system
GB9920118D0 (en) Pet tag
GB9900870D0 (en) Secure tag
GB9929492D0 (en) Electronic tag system

Legal Events

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

Effective date: 20180714