| Patents for G08B 13 - Burglar, theft, or intruder alarms (42,025) |
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| 04/28/1992 | CA1299733C Device to control the presence of information of images in video signals |
| 04/25/1992 | CA2053664A1 Pulsed electromagnetic field detection system |
| 04/22/1992 | EP0481693A1 Intrusion detection system having improved immunity to false alarm |
| 04/22/1992 | EP0413748A4 Imaging assembly and mounting for surveillance viewing under remote control |
| 04/22/1992 | EP0148248B1 Dual signal electromagnetic article theft detector |
| 04/22/1992 | CN2102545U Series tool for display and sell with anti-theft alarm |
| 04/21/1992 | US5107250 Detection of moving objects |
| 04/21/1992 | US5107249 Intrusion detection system having improved immunity to false alarm |
| 04/21/1992 | US5107120 Passive infrared detector |
| 04/16/1992 | WO1992007343A1 Magnetic property modification |
| 04/16/1992 | WO1992006456A1 Home alarm device |
| 04/16/1992 | WO1992006455A1 Process for monitoring the windows of a room |
| 04/15/1992 | CN2101391U Theft-proof case with electric shock and alarm |
| 04/08/1992 | EP0478834A1 Device for signalling the open or closed position of shutable elements |
| 04/08/1992 | EP0252975B1 Security tag deactivation system |
| 04/08/1992 | CN2101290U Civil anti-burglar warner |
| 04/08/1992 | CN2101289U Anti-burglar calling for help device |
| 04/08/1992 | CN2101288U Alarm for door lock |
| 04/08/1992 | CN2101262U Anti-burglar photographing device |
| 04/07/1992 | US5103346 Detector with 180 detecting range |
| 04/07/1992 | US5103235 Antenna structure for an electronic article surveillance system |
| 04/07/1992 | US5103234 Electronic article surveillance system |
| 04/07/1992 | US5103210 Activatable/deactivatable security tag for use with an electronic security system |
| 04/07/1992 | US5103209 Electronic article surveillance system with improved differentiation |
| 04/07/1992 | US5103208 Expandable entry detection apparatus |
| 04/07/1992 | US5103207 Taut wire sensing apparatus |
| 04/07/1992 | US5103085 Photoelectric proximity detector and switch |
| 04/07/1992 | US5102103 Child safety fence |
| 04/01/1992 | EP0478092A1 Deactivating device |
| 04/01/1992 | EP0477228A1 Object detection and analysis with transmission lines. |
| 04/01/1992 | CN2100666U Microphone vibrating burglar alarm sensor |
| 04/01/1992 | CN1016117B Fault-detecting intrusion detection device |
| 03/31/1992 | US5101194 Pattern-recognizing passive infrared radiation detection system |
| 03/31/1992 | CA1298381C Piezoelectric phase locked loop circuit |
| 03/26/1992 | DE4036342C1 Passive IR monitoring system - comprises stack of IR detectors distributed on column at various angles to cover complete field without gaps |
| 03/25/1992 | WO1992005526A1 Security tag for compact disc storage container |
| 03/25/1992 | EP0476754A1 Microprocessor-controlled apparatus including an antitheft protection means which can be disabled |
| 03/25/1992 | EP0476390A2 Mobile transceiver with anti-theft function |
| 03/25/1992 | CN2100003U Inducted theft-proof alarm |
| 03/25/1992 | CN2100002U Cipher multifunctional electronic alarm |
| 03/25/1992 | CN2100001U Omnidirectional infrared probe alarm |
| 03/25/1992 | CA2091244A1 Security tag for compact disc storage container |
| 03/24/1992 | US5099324 Apparatus for extracting/combining change region in image corresponding to moving object |
| 03/24/1992 | US5099322 Scene change detection system and method |
| 03/24/1992 | US5099228 Electronic anti-theft merchandise tag having means for activating an alarm in response to an attempt to remove the tag from the merchandise |
| 03/24/1992 | US5099226 Intelligent security system |
| 03/24/1992 | US5099225 Electrostatic tag for use in an EAS system |
| 03/24/1992 | US5099224 Method for identifying magnetic characteristics of magnetic elements |
| 03/24/1992 | US5099113 Photoelectrical switching circuit with frequency divider circuit |
| 03/19/1992 | WO1992004695A1 Method and apparatus for producing complex magnetization patterns in hard magnetic materials |
| 03/18/1992 | EP0541544A4 Method for tagging articles used in conjunction with an electronic article surveillance system, and tags or labels useful in connection therewith. |
| 03/18/1992 | EP0407506A4 Method and apparatus for integrated data capture and electronic article surveillance |
| 03/18/1992 | EP0386134A4 Antenna system for magnetic and resonant circuit detection |
| 03/18/1992 | CN2099349U Infrared theft deterent door bell |
| 03/18/1992 | CN2099348U Contact type delay timing theft deterent alarm |
| 03/18/1992 | CN2099347U Multifunction electronic alarm |
| 03/18/1992 | CN2099346U Door bell with theft-deterent alarm |
| 03/17/1992 | US5097454 Security door with improved sensor for detecting unauthorized passage |
| 03/17/1992 | US5097328 Apparatus and a method for sensing events from a remote location |
| 03/17/1992 | US5097325 Circular scanning system for an integrated camera and panoramic catadioptric display |
| 03/17/1992 | US5097253 Electronic security device |
| 03/17/1992 | CA1297551C Deactivatable magnetic marker, method of making same and article surveillance system utilizing same |
| 03/12/1992 | DE4036475A1 Capacitive alarm sensor - has two electrical conductors arranged next to each other, electrically isolated from each other, etc. |
| 03/11/1992 | EP0473970A2 Method for producing electric resonant circuits, particulary resonance-tag |
| 03/11/1992 | EP0473835A1 Method and device for ultrasonic room monitoring |
| 03/11/1992 | CN2098711U Anti-theft alarm |
| 03/11/1992 | CN2098710U Anti-theft alarming lamp |
| 03/05/1992 | WO1992003806A1 Surveillance system |
| 03/04/1992 | WO1992004705A1 Theft-deterrent device |
| 03/04/1992 | EP0473345A2 Method of and system for supplying electric power to automatic water discharge apparatus |
| 03/04/1992 | EP0472932A1 Electronic article surveillance tag and method for implementing same |
| 03/04/1992 | EP0181400B1 Near-infrared radiation illuminator and use of such an illuminator |
| 03/04/1992 | CN2098060U Electronic alarm chest |
| 03/03/1992 | US5093658 Communication device capable of ambient sound level controlled transmissions |
| 03/03/1992 | US5093650 Portable alarm device |
| 03/01/1992 | CA2050415A1 Method of and system for supplying electric power to water discharge apparatus |
| 02/26/1992 | EP0472073A2 Method for producing electric resonant circuits, particularly resonance-tags |
| 02/26/1992 | EP0472013A1 Electronic article surveillance system and antenna structure therefor |
| 02/26/1992 | CN2097456U Remote-control socket of electric source capable of guarding against theft and alarm |
| 02/26/1992 | CN2097454U Anti-theft alarm socket |
| 02/26/1992 | CN2097425U Digital display area wireless liaison net for guarding against theft |
| 02/25/1992 | US5091780 A trainable security system emthod for the same |
| 02/20/1992 | WO1992002911A1 Automatic control device for an anti-theft system |
| 02/20/1992 | WO1992002831A1 Ultrasonic monitoring system for the interior of a motor vehicle |
| 02/20/1992 | DE4029727C1 Video camera for perimeter surveillance - has lens unit fixed in carrier so that it can tilt, with CCD chip at rear of carrier |
| 02/19/1992 | CN2096781U Multifunction anti-theft device |
| 02/18/1992 | USRE33824 Fault detecting intrusion detection device |
| 02/18/1992 | US5089895 Encapsulated television camera and method and apparatus for fabricating same |
| 02/18/1992 | US5089807 Anti-theft device |
| 02/18/1992 | US5089806 Barrier and alarm for blocking a passageway |
| 02/18/1992 | US5089704 Wide angle ceiling mounted passive infrared intrusion detection system |
| 02/13/1992 | DE4021554A1 Antitheft device for electronic goods - has plug sockets for electronic devices each incorporating microswitch for operating alarm |
| 02/12/1992 | EP0470318A2 Resonant tag and method of manufacturing the same |
| 02/12/1992 | EP0470237A1 Detection apparatus for security systems |
| 02/12/1992 | CN2096091U Anti-theft alarm automatic telephone |
| 02/12/1992 | CN2096090U Anti-theft sound and optic alarm on communication line pole |
| 02/12/1992 | CN2096089U Portable multi-purpose anti-theft alarm |
| 02/12/1992 | CN2096088U Anti-theft device |
| 02/11/1992 | US5087908 Portable alarm system with automatic operating state transferral |
| 02/05/1992 | EP0470058A2 Antitheft device for an electrically powered apparatus, incorporated in the power cord of the apparatus |