JPS4877695A - - Google Patents

Info

Publication number
JPS4877695A
JPS4877695A JP12774272A JP12774272A JPS4877695A JP S4877695 A JPS4877695 A JP S4877695A JP 12774272 A JP12774272 A JP 12774272A JP 12774272 A JP12774272 A JP 12774272A JP S4877695 A JPS4877695 A JP S4877695A
Authority
JP
Japan
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
JP12774272A
Other languages
Japanese (ja)
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
Priority claimed from US00214361A external-priority patent/US3810147A/en
Priority claimed from US262465A external-priority patent/US3863244A/en
Application filed filed Critical
Publication of JPS4877695A publication Critical patent/JPS4877695A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G08B13/2488—Timing issues, e.g. synchronising measures to avoid signal collision, with multiple emitters or a single emitter and receiver
    • 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
    • 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
    • G06K19/0672—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 resonating marks
    • 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
    • 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
    • G08B13/2428—Tag details
    • G08B13/2431—Tag circuit details
    • 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
    • G08B13/2471—Antenna signal processing by receiver or emitter
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/01—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate comprising only passive thin-film or thick-film elements formed on a common insulating substrate
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H5/00—One-port networks comprising only passive electrical elements as network components
    • H03H5/02—One-port networks comprising only passive electrical elements as network components without voltage- or current-dependent elements

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Burglar Alarm Systems (AREA)
JP12774272A 1971-12-30 1972-12-21 Pending JPS4877695A (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US00214361A US3810147A (en) 1971-12-30 1971-12-30 Electronic security system
US262465A US3863244A (en) 1972-06-14 1972-06-14 Electronic security system having improved noise discrimination

Publications (1)

Publication Number Publication Date
JPS4877695A true JPS4877695A (fi) 1973-10-18

Family

ID=26908916

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12774272A Pending JPS4877695A (fi) 1971-12-30 1972-12-21

Country Status (3)

Country Link
JP (1) JPS4877695A (fi)
FR (1) FR2166216B1 (fi)
GB (1) GB1406500A (fi)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58192197A (ja) * 1982-04-29 1983-11-09 アイデンティテック・コ−ポレ−ション 磁気機械的マ−カ−をもつ監視システム
JPS6020694U (ja) * 1977-10-05 1985-02-13 ア−サ−・デイ−・リトル・インコ−ポレ−テツド 準安定雑音除去システム
JPS60112893U (ja) * 1983-12-30 1985-07-31 三谷　尚弘 共振器
JPS61501947A (ja) * 1984-04-23 1986-09-04 リヒトブラウ　ジョージ　ジェイ 電子的に検知可能で不作動化可能な標識及びその標識を用いた電子安全装置
JPH05501634A (ja) * 1989-10-25 1993-03-25 ゼニス、エレクトロニクス　コーポレーション カラー陰極線管
JP2000123251A (ja) * 1998-09-09 2000-04-28 Internatl Business Mach Corp <Ibm> 商品チェックアウト・システムのための方法およびシステム

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4481428A (en) * 1981-05-19 1984-11-06 Security Tag Systems, Inc. Batteryless, portable, frequency divider useful as a transponder of electromagnetic radiation
US4413254A (en) * 1981-09-04 1983-11-01 Sensormatic Electronics Corporation Combined radio and magnetic energy responsive surveillance marker and system
US4605845A (en) * 1982-12-14 1986-08-12 Shigekazu Takeda Detectable card and entry and departure checking apparatus utilizing the same
US4862160A (en) * 1983-12-29 1989-08-29 Revlon, Inc. Item identification tag for rapid inventory data acquisition system
US4846922A (en) * 1986-09-29 1989-07-11 Monarch Marking Systems, Inc. Method of making deactivatable tags
FR2605747B1 (fr) * 1986-10-28 1989-05-12 Checkpoint Sa Procede de protection d'objets contre le vol et objets proteges selon ce procede
GB2247594B (en) * 1987-10-28 1992-10-21 Monarch Marking Systems Inc Method of making tags for use in electronic article surveillance systems
EP1760625A1 (en) * 2005-08-29 2007-03-07 Datamars SA RFID system and a method for improving the detection efficiency of the RFID system
GB2445171A (en) * 2006-12-22 2008-07-02 Fortium Technologies Ltd An rfid tag comprising an array of resonators each comprising a conductive part including a weak section.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1085704A (en) * 1964-10-30 1967-10-04 Nat Res Dev Apparatus for detecting an object
US3500373A (en) * 1966-05-06 1970-03-10 Nat Bank Of North America The Method and apparatus for article theft detection
DK134666B (da) * 1970-02-20 1976-12-20 Svejsecentralen Fremgangsmåde til mærkning og senere lokalisering, identifikation og registrering af fysiske objekter samt elektronisk mærkningsoragn til anvendelse ved udøvelse af fremgangsmåden.
US3624631A (en) * 1970-04-27 1971-11-30 Sanders Associates Inc Pilferage control system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6020694U (ja) * 1977-10-05 1985-02-13 ア−サ−・デイ−・リトル・インコ−ポレ−テツド 準安定雑音除去システム
JPS58192197A (ja) * 1982-04-29 1983-11-09 アイデンティテック・コ−ポレ−ション 磁気機械的マ−カ−をもつ監視システム
JPH0519196B2 (fi) * 1982-04-29 1993-03-16 Aidenteitetsuku Corp
JPS60112893U (ja) * 1983-12-30 1985-07-31 三谷　尚弘 共振器
JPS61501947A (ja) * 1984-04-23 1986-09-04 リヒトブラウ　ジョージ　ジェイ 電子的に検知可能で不作動化可能な標識及びその標識を用いた電子安全装置
JPH0340439B2 (fi) * 1984-04-23 1991-06-18
JPH05501634A (ja) * 1989-10-25 1993-03-25 ゼニス、エレクトロニクス　コーポレーション カラー陰極線管
JP2000123251A (ja) * 1998-09-09 2000-04-28 Internatl Business Mach Corp <Ibm> 商品チェックアウト・システムのための方法およびシステム

Also Published As

Publication number Publication date
GB1406500A (en) 1975-09-17
DE2263905B2 (de) 1976-12-09
FR2166216A1 (fi) 1973-08-10
DE2263905A1 (de) 1973-07-12
FR2166216B1 (fi) 1978-12-29

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