GB9512953D0 - Tag detection system - Google Patents

Tag detection system

Info

Publication number
GB9512953D0
GB9512953D0 GBGB9512953.2A GB9512953A GB9512953D0 GB 9512953 D0 GB9512953 D0 GB 9512953D0 GB 9512953 A GB9512953 A GB 9512953A GB 9512953 D0 GB9512953 D0 GB 9512953D0
Authority
GB
United Kingdom
Prior art keywords
detection system
tag detection
tag
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.)
Pending
Application number
GBGB9512953.2A
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.)
MEDESTATE Ltd
Original Assignee
MEDESTATE 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 MEDESTATE Ltd filed Critical MEDESTATE Ltd
Priority to GBGB9512953.2A priority Critical patent/GB9512953D0/en
Publication of GB9512953D0 publication Critical patent/GB9512953D0/en
Priority to PCT/GB1996/001535 priority patent/WO1997001826A1/en
Pending 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
    • 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
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/20—Individual registration on entry or exit involving the use of a pass
    • G07C9/27—Individual registration on entry or exit involving the use of a pass with central registration
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/20—Individual registration on entry or exit involving the use of a pass
    • G07C9/28—Individual registration on entry or exit involving the use of a pass the pass enabling tracking or indicating presence
GBGB9512953.2A 1995-06-26 1995-06-26 Tag detection system Pending GB9512953D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GBGB9512953.2A GB9512953D0 (en) 1995-06-26 1995-06-26 Tag detection system
PCT/GB1996/001535 WO1997001826A1 (en) 1995-06-26 1996-06-26 Tag detection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9512953.2A GB9512953D0 (en) 1995-06-26 1995-06-26 Tag detection system

Publications (1)

Publication Number Publication Date
GB9512953D0 true GB9512953D0 (en) 1995-08-30

Family

ID=10776668

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB9512953.2A Pending GB9512953D0 (en) 1995-06-26 1995-06-26 Tag detection system

Country Status (2)

Country Link
GB (1) GB9512953D0 (en)
WO (1) WO1997001826A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2340692B (en) 1998-08-18 2002-12-11 Identec Ltd Transponder identification system
GB2453477A (en) 2004-02-06 2009-04-08 Zih Corp Identifying a plurality of transponders

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4471345A (en) * 1982-03-05 1984-09-11 Sensormatic Electronics Corporation Randomized tag to portal communication system
GB8408538D0 (en) * 1984-04-03 1984-05-16 Senelco Ltd Transmitter-responder systems
DE3851168T2 (en) * 1987-03-31 1995-03-30 Identec Ltd Access control device.
US5216419A (en) * 1987-12-17 1993-06-01 Omron Tateisi Electronics Co. Data carrier identification system
JP3100716B2 (en) * 1991-01-04 2000-10-23 シーエスアイアール Identification device

Also Published As

Publication number Publication date
WO1997001826A1 (en) 1997-01-16

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