IT982964B - SYSTEM TO DETECT THE PRESENCE OF INTRUDERS IN SURVEILLED AREAS - Google Patents

SYSTEM TO DETECT THE PRESENCE OF INTRUDERS IN SURVEILLED AREAS

Info

Publication number
IT982964B
IT982964B IT49239/73A IT4923973A IT982964B IT 982964 B IT982964 B IT 982964B IT 49239/73 A IT49239/73 A IT 49239/73A IT 4923973 A IT4923973 A IT 4923973A IT 982964 B IT982964 B IT 982964B
Authority
IT
Italy
Prior art keywords
surveilled
intruders
areas
detect
surveilled areas
Prior art date
Application number
IT49239/73A
Other languages
Italian (it)
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 IT982964B publication Critical patent/IT982964B/en

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
IT49239/73A 1972-08-09 1973-04-04 SYSTEM TO DETECT THE PRESENCE OF INTRUDERS IN SURVEILLED AREAS IT982964B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US279097A US3895368A (en) 1972-08-09 1972-08-09 Surveillance system and method utilizing both electrostatic and electromagnetic fields

Publications (1)

Publication Number Publication Date
IT982964B true IT982964B (en) 1974-10-21

Family

ID=23067622

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49239/73A IT982964B (en) 1972-08-09 1973-04-04 SYSTEM TO DETECT THE PRESENCE OF INTRUDERS IN SURVEILLED AREAS

Country Status (12)

Country Link
US (1) US3895368A (en)
JP (1) JPS5724598B2 (en)
BE (1) BE801202A (en)
BR (1) BR7306051D0 (en)
CA (1) CA1003522A (en)
DE (1) DE2316411C3 (en)
ES (1) ES413541A1 (en)
FR (1) FR2195812B1 (en)
GB (1) GB1406925A (en)
IT (1) IT982964B (en)
NL (1) NL7305216A (en)
ZA (1) ZA734480B (en)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4069472A (en) * 1975-12-25 1978-01-17 Tokyo Shibaura Electric Co., Ltd. Foreground subject-identifying apparatus
US4206453A (en) * 1976-05-24 1980-06-03 Williamson Robert D Method and apparatus for electronic surveillance
US4087802A (en) * 1976-05-24 1978-05-02 Williamson Robert D Method and apparatus for electronic surveillance of precisely defined control zone
US4212002A (en) * 1976-05-24 1980-07-08 Williamson Robert D Method and apparatus for selective electronic surveillance
NL7708012A (en) * 1977-07-19 1979-01-23 Nedap Nv DETECTION SYSTEM.
US4139844A (en) * 1977-10-07 1979-02-13 Sensormatic Electronics Corporation Surveillance method and system with electromagnetic carrier and plural range limiting signals
FR2416514A1 (en) * 1978-02-03 1979-08-31 Williamson Robert Electronic surveillance of precisely defined control zone - using HF generator projecting wave to establish first field and FM generator for second field
DE2833509A1 (en) * 1978-07-31 1980-02-14 Siemens Ag Identifying and locating device for objects and persons - has mark on object interrogated and received signal is processed and evaluated
US4254868A (en) * 1979-02-05 1981-03-10 Sensormatic Electronics Corporation Enclosure for a security tag and extraction implement
CA1145015A (en) * 1979-05-18 1983-04-19 James H. Stephen Surveillance systems
US4281321A (en) * 1980-06-09 1981-07-28 Sensormatic Electronics Corporation Surveillance system employing a floor mat radiator
CA1190970A (en) * 1980-10-09 1985-07-23 Harold B. Williams Dual frequency anti-theft system
JPS5768070U (en) * 1980-10-09 1982-04-23
US4471344A (en) * 1980-10-09 1984-09-11 Ici Americas Inc. Dual frequency anti-theft system
US4430645A (en) * 1981-04-07 1984-02-07 Sensormatic Electronics Corporation Surveillance system employing a dual function floor mat radiator
US4413254A (en) * 1981-09-04 1983-11-01 Sensormatic Electronics Corporation Combined radio and magnetic energy responsive surveillance marker and system
USRE32627E (en) * 1981-09-10 1988-03-22 Sensormatic Electronics Corporation Electrical surveillance apparatus with moveable antenna elements
US4394645A (en) * 1981-09-10 1983-07-19 Sensormatic Electronics Corporation Electrical surveillance apparatus with moveable antenna elements
NL8200138A (en) * 1982-01-14 1983-08-01 Nedap Nv DETECTION SYSTEM.
US4472641A (en) * 1983-01-28 1984-09-18 Westinghouse Electric Corp. Power supply apparatus
US4642640A (en) * 1983-04-25 1987-02-10 Sensormatic Electronics Corporation Signal receptor-reradiator and surveillance tag using the same
EP0135049B1 (en) * 1983-08-01 1988-06-08 Ici Americas Inc. Electronic article surveillance system
CA1236542A (en) * 1983-08-02 1988-05-10 Harold B. Williams Electronic article surveillance system having microstrip antennas
US4679035A (en) * 1985-07-30 1987-07-07 Sensormatic Electronics Corporation Tri-signal electromagnetic article surveillance system
US4736207A (en) * 1986-01-31 1988-04-05 Sensormatic Electronics Corporation Tag device and method for electronic article surveillance
CA1335676C (en) * 1988-01-14 1995-05-23 Akira Iga Portable data transmitter device and a system using the same
FR2645309B1 (en) * 1989-04-04 1991-06-07 Usil Flandres Artois DEVICE FOR DETECTING THE PASSAGE OF AT LEAST ONE MOBILE AT AT LEAST A DETERMINED POINT OF ITS MOVEMENT
US5099227A (en) * 1989-07-18 1992-03-24 Indala Corporation Proximity detecting apparatus
US5109217A (en) * 1990-08-09 1992-04-28 Sensormatic Electronics Corporation Method and apparatus for enhancing detection of electronic article surveillance tags in close proximity to electrically conductive objects
US5206626A (en) * 1991-12-24 1993-04-27 Knogo Corporation Stabilized article surveillance responder
US5241923A (en) * 1992-07-23 1993-09-07 Pole/Zero Corporation Transponder control of animal whereabouts
US5349332A (en) * 1992-10-13 1994-09-20 Sensormatic Electronics Corportion EAS system with requency hopping
GB2306080B (en) * 1995-10-10 2000-02-16 Roke Manor Research Improvements in or relating to detection systems
RU2099789C1 (en) * 1996-07-30 1997-12-20 Кулагин Николай Павлович Method detecting intrusion of protected space and gear for its realization
US6446049B1 (en) 1996-10-25 2002-09-03 Pole/Zero Corporation Method and apparatus for transmitting a digital information signal and vending system incorporating same
US6064308A (en) * 1996-10-25 2000-05-16 Pole/Zero Corporation RF signaling system and system for controlling the whereabouts of animals using same
US5990791A (en) * 1997-10-22 1999-11-23 William B. Spargur Anti-theft detection system
US6166643A (en) * 1997-10-23 2000-12-26 Janning; Joseph J. Method and apparatus for controlling the whereabouts of an animal
DE19754936A1 (en) 1997-12-10 1999-07-01 Wegmann & Co Gmbh Sealing and guiding device for highly dynamically accelerated, distance-effective protective elements
JPH11283178A (en) * 1998-03-27 1999-10-15 Matsushita Electric Ind Co Ltd Electric resonance discriminator, electric resonance discriminator detecting device, and traffic system
DE60012202T2 (en) 1999-10-08 2005-08-04 Activerf Ltd. Improvements in safety equipment
GB9923682D0 (en) * 1999-10-08 1999-12-08 Active Rf Limited Improvements relating to security-pushout prevention
US7395548B2 (en) * 2001-07-26 2008-07-01 Comsonics, Inc. System and method for signal validation and leakage detection
US6752837B2 (en) 2002-06-28 2004-06-22 Hewlett-Packard Development Company, L.P. Security tags with a reversible optical indicator
GB2391098B (en) 2002-07-19 2006-09-20 Activerf Ltd Improvements relating to security and electronic article surveillance
US7034687B2 (en) * 2004-04-29 2006-04-25 Comm-Engines Error-avoiding anti-theft surveillance system
JP2006287817A (en) * 2005-04-04 2006-10-19 Tokyo Electron Ltd Microwave generating device, microwave supplying device, plasma treatment device and microwave generating method
US20090072995A1 (en) * 2006-06-21 2009-03-19 Dave Thomas Method and apparatus for transmitting information between a primary vehicle and a secondary vehicle
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
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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3631442A (en) * 1968-03-22 1971-12-28 Robert E Fearon Anti-shoplifting system
US3707711A (en) * 1970-04-02 1972-12-26 Peter Harold Cole Electronic surveillance system
US3711848A (en) * 1971-02-10 1973-01-16 I D Eng Inc Method of and apparatus for the detection of stolen articles
US3740742A (en) * 1971-05-11 1973-06-19 T Thompson Method and apparatus for actuating an electric circuit
US3806905A (en) * 1971-09-08 1974-04-23 Sperry Rand Corp Transducer and condition monitor

Also Published As

Publication number Publication date
DE2316411B2 (en) 1979-08-09
BR7306051D0 (en) 1974-07-11
FR2195812A1 (en) 1974-03-08
JPS4945593A (en) 1974-05-01
ZA734480B (en) 1974-06-26
DE2316411C3 (en) 1980-04-17
GB1406925A (en) 1975-09-17
BE801202A (en) 1973-10-15
CA1003522A (en) 1977-01-11
DE2316411A1 (en) 1974-02-28
NL7305216A (en) 1974-02-12
ES413541A1 (en) 1976-02-01
US3895368A (en) 1975-07-15
JPS5724598B2 (en) 1982-05-25
FR2195812B1 (en) 1978-03-10

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