GB8329863D0 - Transponder detection systems - Google Patents

Transponder detection systems

Info

Publication number
GB8329863D0
GB8329863D0 GB838329863A GB8329863A GB8329863D0 GB 8329863 D0 GB8329863 D0 GB 8329863D0 GB 838329863 A GB838329863 A GB 838329863A GB 8329863 A GB8329863 A GB 8329863A GB 8329863 D0 GB8329863 D0 GB 8329863D0
Authority
GB
United Kingdom
Prior art keywords
detection systems
transponder detection
transponder
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.)
Granted
Application number
GB838329863A
Other versions
GB2133660A (en
GB2133660B (en
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.)
TAG RADIONICS CO Ltd
Original Assignee
TAG RADIONICS 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 TAG RADIONICS CO Ltd filed Critical TAG RADIONICS CO Ltd
Priority to GB08329863A priority Critical patent/GB2133660B/en
Publication of GB8329863D0 publication Critical patent/GB8329863D0/en
Publication of GB2133660A publication Critical patent/GB2133660A/en
Application granted granted Critical
Publication of GB2133660B publication Critical patent/GB2133660B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
    • H01Q1/2216—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in interrogator/reader equipment
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • G01V3/104—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils
    • G01V3/105—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils forming directly coupled primary and secondary coils or loops
    • G01V3/107—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils forming directly coupled primary and secondary coils or loops using compensating coil or loop arrangements
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2451—Specific applications combined with EAS
    • G08B13/2462—Asset location systems combined with EAS
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2468—Antenna in system and the related signal processing
    • G08B13/2474—Antenna or antenna activator geometry, arrangement or layout
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
GB08329863A 1982-11-09 1983-11-09 Transponder detection systems Expired GB2133660B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08329863A GB2133660B (en) 1982-11-09 1983-11-09 Transponder detection systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8231932 1982-11-09
GB08329863A GB2133660B (en) 1982-11-09 1983-11-09 Transponder detection systems

Publications (3)

Publication Number Publication Date
GB8329863D0 true GB8329863D0 (en) 1983-12-14
GB2133660A GB2133660A (en) 1984-07-25
GB2133660B GB2133660B (en) 1986-07-30

Family

ID=26284351

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08329863A Expired GB2133660B (en) 1982-11-09 1983-11-09 Transponder detection systems

Country Status (1)

Country Link
GB (1) GB2133660B (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2180123B (en) * 1984-12-21 1989-01-18 Senezco Limited Transponder systems
GB8432807D0 (en) * 1984-12-31 1985-02-06 Emx International Ltd Loop data link
US4633250A (en) * 1985-01-07 1986-12-30 Allied Corporation Coplanar antenna for proximate surveillance systems
DK381885A (en) * 1985-08-22 1987-02-23 Electronic Identification Syst IDENTIFICATION SYSTEM
SE451166C (en) * 1986-01-21 1990-11-01 Intermodulation & Safety Syst RECEIVER DEVICE TO DETECT THE PRESENCE OF AN INDICATING DEVICE IN A LIMITED INVESTIGATION ZONE
NL8602033A (en) * 1986-08-08 1988-03-01 Nedap Nv PRECISION FOCUS ON RECOGNITION SYSTEM.
FR2656449B1 (en) * 1989-12-22 1995-02-10 Volback Sa METHOD AND DEVICE FOR IDENTIFYING OBJECTS, ESPECIALLY MOTOR VEHICLES.
GB2280089B (en) * 1990-10-29 1995-04-19 Bio Medic Data Systems Inc System for the reception of signals from a passive transponder
NL9101615A (en) * 1991-09-24 1993-04-16 Ind Contractors Holland Bv POSITION MEASUREMENT WITH RADIO-FREQUENT TRANSPONDERS.
GB9220411D0 (en) * 1992-09-28 1992-11-11 Texas Instruments Holland Noise cancelling in antennae and the like
GB9305085D0 (en) * 1993-03-12 1993-04-28 Esselte Meto Int Gmbh Electronic article surveillance system with enhanced geometric arrangement
US5440296A (en) * 1993-04-29 1995-08-08 Minnesota Mining And Manufacturing Company Coil assembly for electronic article surveillance system
EP0650074A1 (en) * 1993-10-22 1995-04-26 Texas Instruments Holland B.V. Highly accurate RF-ID positioning system
NL9500029A (en) * 1995-01-06 1996-08-01 Nedap Nv Telemetry system
CA2258436A1 (en) * 1998-01-15 1999-07-15 Morton F. Roseman Apparatus for authenticating products and authorizing processes using the magnetic properties of a marker
DE10126518A1 (en) * 2001-05-30 2002-12-12 Feo Elektronik Gmbh Antenna for receiving-transmitting unit for detection of transponders e.g. for anti-theft prevention, has antenna conductor arrangement on/in carrier element
EP1453716B1 (en) 2001-12-12 2006-09-13 Jervis B. Webb International Company Driverless vehicle guidance system and method
EP1976433B1 (en) 2006-01-07 2011-03-09 Arthur Koblasz Using rfid to prevent or detect falls, wandering, and bed egress and medication errors
WO2009136876A1 (en) * 2008-05-06 2009-11-12 Vinko Kunc Arrangement of a transmitting antenna and a receiving antenna
JP4850975B1 (en) * 2011-02-15 2012-01-11 パナソニック株式会社 Transceiver
US20160241061A1 (en) 2015-02-17 2016-08-18 Qualcomm Incorporated Clover leaf and butterfly coil structures for flat wireless coupling profiles in wireless power transfer applications

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1466099A1 (en) * 1964-07-29 1970-04-16 Gen Electric Selective antenna system
GB1311027A (en) * 1970-11-25 1973-03-21 Westinghouse Brake & Signal Vehicle communication apparatus
US4016553A (en) * 1975-06-27 1977-04-05 Knogo Corporation Article detection system with near field electromagnetic wave control
US4074249A (en) * 1977-02-04 1978-02-14 Knogo Corporation Magnetic detection means
US4135183A (en) * 1977-05-24 1979-01-16 Minnesota Mining And Manufacturing Company Antipilferage system utilizing "figure-8" shaped field producing and detector coils
US4135184A (en) * 1977-08-31 1979-01-16 Knogo Corporation Electronic theft detection system for monitoring wide passageways
US4243980A (en) * 1978-02-17 1981-01-06 Lichtblau G J Antenna system for electronic security installations
US4384281A (en) * 1980-10-31 1983-05-17 Knogo Corporation Theft detection apparatus using saturable magnetic targets

Also Published As

Publication number Publication date
GB2133660A (en) 1984-07-25
GB2133660B (en) 1986-07-30

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Legal Events

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

Effective date: 20031108