FR2166216A1 - - Google Patents

Info

Publication number
FR2166216A1
FR2166216A1 FR7247070A FR7247070A FR2166216A1 FR 2166216 A1 FR2166216 A1 FR 2166216A1 FR 7247070 A FR7247070 A FR 7247070A FR 7247070 A FR7247070 A FR 7247070A FR 2166216 A1 FR2166216 A1 FR 2166216A1
Authority
FR
France
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
FR7247070A
Other languages
French (fr)
Other versions
FR2166216B1 (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.)
LICHTBLAU GEORGE
Original Assignee
LICHTBLAU GEORGE
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 by LICHTBLAU GEORGE filed Critical LICHTBLAU GEORGE
Publication of FR2166216A1 publication Critical patent/FR2166216A1/fr
Application granted granted Critical
Publication of FR2166216B1 publication Critical patent/FR2166216B1/fr
Expired 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
FR7247070A 1971-12-30 1972-12-29 Expired FR2166216B1 (en)

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 (2)

Publication Number Publication Date
FR2166216A1 true FR2166216A1 (en) 1973-08-10
FR2166216B1 FR2166216B1 (en) 1978-12-29

Family

ID=26908916

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7247070A Expired FR2166216B1 (en) 1971-12-30 1972-12-29

Country Status (3)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2605747A1 (en) * 1986-10-28 1988-04-29 Checkpoint Sa METHOD OF PROTECTING OBJECTS AGAINST THEFT AND OBJECTS PROTECTED THEREIN

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4168496A (en) * 1977-10-05 1979-09-18 Lichtblau G J Quasi-stationary noise cancellation system
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
US4510489A (en) * 1982-04-29 1985-04-09 Allied Corporation Surveillance system having magnetomechanical marker
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
JPS60112893U (en) * 1983-12-30 1985-07-31 三谷　尚弘 resonator
BR8407314A (en) * 1984-04-23 1986-04-15 Little Inc A RESONANT CIRCUIT OF THE LABEL AND DISABLING TYPE FOR USE IN AN ELECTRONIC SAFETY SYSTEM
US4846922A (en) * 1986-09-29 1989-07-11 Monarch Marking Systems, Inc. Method of making deactivatable tags
GB2247594B (en) * 1987-10-28 1992-10-21 Monarch Marking Systems Inc Method of making tags for use in electronic article surveillance systems
US5162694A (en) * 1989-10-25 1992-11-10 Zenith Electronics Corporation Segmented shadow mask support structure for flat tension mask color crt
US6189789B1 (en) * 1998-09-09 2001-02-20 International Business Machines Corporation Method and system for a merchandise checkout system
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.

Citations (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
BE698063A (en) * 1966-05-06 1967-11-06
FR2078833A5 (en) * 1970-02-20 1971-11-05 Svejsecentralen
US3624631A (en) * 1970-04-27 1971-11-30 Sanders Associates Inc Pilferage control system

Patent Citations (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
BE698063A (en) * 1966-05-06 1967-11-06
FR2078833A5 (en) * 1970-02-20 1971-11-05 Svejsecentralen
US3624631A (en) * 1970-04-27 1971-11-30 Sanders Associates Inc Pilferage control system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2605747A1 (en) * 1986-10-28 1988-04-29 Checkpoint Sa METHOD OF PROTECTING OBJECTS AGAINST THEFT AND OBJECTS PROTECTED THEREIN
WO1988003302A1 (en) * 1986-10-28 1988-05-05 Actron S.A. Method for protecting objects against theft and objects protected according to such method

Also Published As

Publication number Publication date
FR2166216B1 (en) 1978-12-29
JPS4877695A (en) 1973-10-18
GB1406500A (en) 1975-09-17
DE2263905A1 (en) 1973-07-12
DE2263905B2 (en) 1976-12-09

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