AR225083A1 - Dispositivo de vigilancia,para detectar la presencia,en un espacio controlado,de un receptor-retransmisor miniaturizado de ondas electromagneticas - Google Patents

Dispositivo de vigilancia,para detectar la presencia,en un espacio controlado,de un receptor-retransmisor miniaturizado de ondas electromagneticas

Info

Publication number
AR225083A1
AR225083A1 AR285636A AR28563681A AR225083A1 AR 225083 A1 AR225083 A1 AR 225083A1 AR 285636 A AR285636 A AR 285636A AR 28563681 A AR28563681 A AR 28563681A AR 225083 A1 AR225083 A1 AR 225083A1
Authority
AR
Argentina
Prior art keywords
retransmitter
detect
electromagnetic wave
wave receiver
surveillance device
Prior art date
Application number
AR285636A
Other languages
English (en)
Original Assignee
Sensormatic Electronics Corp
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 Sensormatic Electronics Corp filed Critical Sensormatic Electronics Corp
Application granted granted Critical
Publication of AR225083A1 publication Critical patent/AR225083A1/es

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
    • G08B13/2405—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 characterised by the tag technology used
    • G08B13/2422—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 characterised by the tag technology used using acoustic or microwave tags
    • 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
    • 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/26—Electrical actuation by proximity of an intruder causing variation in capacitance or inductance of a circuit
AR285636A 1980-06-09 1981-06-09 Dispositivo de vigilancia,para detectar la presencia,en un espacio controlado,de un receptor-retransmisor miniaturizado de ondas electromagneticas AR225083A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/157,848 US4281321A (en) 1980-06-09 1980-06-09 Surveillance system employing a floor mat radiator

Publications (1)

Publication Number Publication Date
AR225083A1 true AR225083A1 (es) 1982-02-15

Family

ID=22565529

Family Applications (1)

Application Number Title Priority Date Filing Date
AR285636A AR225083A1 (es) 1980-06-09 1981-06-09 Dispositivo de vigilancia,para detectar la presencia,en un espacio controlado,de un receptor-retransmisor miniaturizado de ondas electromagneticas

Country Status (14)

Country Link
US (1) US4281321A (es)
JP (1) JPS5725093A (es)
AR (1) AR225083A1 (es)
BE (1) BE889153A (es)
BR (1) BR8103624A (es)
CA (1) CA1169525A (es)
DE (1) DE3122239A1 (es)
ES (1) ES502845A0 (es)
FR (1) FR2484095A1 (es)
GB (1) GB2078469B (es)
IE (1) IE51208B1 (es)
MX (1) MX150904A (es)
NL (1) NL8102753A (es)
SE (1) SE454472B (es)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4430645A (en) * 1981-04-07 1984-02-07 Sensormatic Electronics Corporation Surveillance system employing a dual function floor mat radiator
US4642640A (en) * 1983-04-25 1987-02-10 Sensormatic Electronics Corporation Signal receptor-reradiator and surveillance tag using the same
US4555696A (en) * 1983-06-08 1985-11-26 Brown Donald G Passageway selective detector mechanism and system
US4595915A (en) * 1984-02-06 1986-06-17 Mrs. Lawrence Israel Electronic surveillance system employing the doppler effect
US4565996A (en) * 1984-02-06 1986-01-21 Mrs. Lawrence Israel Range limited coherent frequency doppler surveillance system
US4642786A (en) * 1984-05-25 1987-02-10 Position Orientation Systems, Ltd. Method and apparatus for position and orientation measurement using a magnetic field and retransmission
US4583083A (en) * 1984-06-28 1986-04-15 Bogasky John J Checkout station to reduce retail theft
US4798175A (en) * 1986-10-09 1989-01-17 Alfa-Laval Agri, Inc. Electronic identification system
JPS643994U (es) * 1987-06-25 1989-01-11
JPH0161797U (es) * 1987-10-08 1989-04-19
JPH0413844U (es) * 1990-05-23 1992-02-04
US5206626A (en) * 1991-12-24 1993-04-27 Knogo Corporation Stabilized article surveillance responder
DE4200082A1 (de) * 1992-01-03 1993-07-08 Minnesota Mining & Mfg Vorrichtung und verfahren zum erkennen eines magnetisierbaren markierungselementes
US5373301A (en) * 1993-01-04 1994-12-13 Checkpoint Systems, Inc. Transmit and receive antenna having angled crossover elements
US5661470A (en) * 1994-03-04 1997-08-26 Karr; Gerald S. Object recognition system
US6336031B1 (en) 1998-12-22 2002-01-01 Nortel Networks Limited Wireless data transmission over quasi-static electric potential fields
US7372364B2 (en) 2003-11-10 2008-05-13 3M Innovative Properties Company Algorithm for RFID security
US7119692B2 (en) * 2003-11-10 2006-10-10 3M Innovative Properties Company System for detecting radio-frequency identification tags
US20050190072A1 (en) * 2004-02-26 2005-09-01 Brown Katherine A. Item monitoring system and methods of using an item monitoring system
US20060071774A1 (en) * 2004-02-26 2006-04-06 Brown Katherine A Item monitoring system and methods using an item monitoring system
US8350720B2 (en) * 2006-06-21 2013-01-08 Dave Thomas Method and apparatus for object recognition and warning system of a primary vehicle for nearby vehicles
US20090072995A1 (en) * 2006-06-21 2009-03-19 Dave Thomas Method and apparatus for transmitting information between a primary vehicle and a secondary vehicle
US20070296609A1 (en) * 2006-06-21 2007-12-27 Dave Thomas Method and apparatus for object recognition and warning system of a primary vehicle for nearby vehicles
US20080316027A1 (en) * 2007-06-25 2008-12-25 Peter Lefferson Security Alarm Blanket
US9226686B2 (en) * 2009-11-23 2016-01-05 Rf Surgical Systems, Inc. Method and apparatus to account for transponder tagged objects used during medical procedures
FR2996330B1 (fr) * 2012-10-01 2014-10-10 Embisphere Tapis anti-fraude

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3500373A (en) * 1966-05-06 1970-03-10 Nat Bank Of North America The Method and apparatus for article theft detection
FR1522001A (fr) * 1967-05-05 1968-04-19 Dispositif électronique de détection, plus particulièrement d'objets
US3493955A (en) * 1968-04-17 1970-02-03 Monere Corp Method and apparatus for detecting the unauthorized movement of articles
BE791039A (fr) * 1971-11-08 1973-05-07 Lewis Security Syst Ltd Systemes de securite
US3895368A (en) * 1972-08-09 1975-07-15 Sensormatic Electronics Corp Surveillance system and method utilizing both electrostatic and electromagnetic fields
NL161904C (nl) * 1973-04-13 Knogo Corp Diefstal-detectiestelsel.
JPS5122797A (en) * 1974-08-19 1976-02-23 Teijin Ltd Toomeihoriamidono seizohoho
US4095214A (en) * 1976-06-17 1978-06-13 Knogo Corporation Electronic monitoring system and responder device
US4135184A (en) * 1977-08-31 1979-01-16 Knogo Corporation Electronic theft detection system for monitoring wide passageways

Also Published As

Publication number Publication date
NL8102753A (nl) 1982-01-04
FR2484095B1 (es) 1984-12-28
GB2078469B (en) 1984-02-08
DE3122239A1 (de) 1982-06-03
CA1169525A (en) 1984-06-19
MX150904A (es) 1984-08-13
US4281321A (en) 1981-07-28
SE454472B (sv) 1988-05-02
GB2078469A (en) 1982-01-06
IE51208B1 (en) 1986-10-29
FR2484095A1 (fr) 1981-12-11
IE811258L (en) 1981-12-09
SE8103576L (sv) 1981-12-10
ES8204200A1 (es) 1982-04-01
BE889153A (fr) 1981-10-01
JPH0230554B2 (es) 1990-07-06
ES502845A0 (es) 1982-04-01
BR8103624A (pt) 1982-03-02
JPS5725093A (en) 1982-02-09

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