Patents
Patents for G08B 13 - Burglar, theft, or intruder alarms (42,025)
07/1992
07/07/1992US5128654 Preset light controller including infrared sensor operable in multiple modes
07/07/1992US5128548 Monitoring and recording device for large game animals and other objects
07/01/1992EP0492958A2 Leaky cables
07/01/1992CN2108968U Net type water-proof anti-theft senser alarm
07/01/1992CN2108967U Full automatic multifunctional anti-theft alarm capable of distinguishing master
07/01/1992CN2108966U Electric door bell as alarm
07/01/1992CN2108965U Alarm for preventing destory
06/1992
06/30/1992US5126749 Individually fed multiloop antennas for electronic security systems
06/30/1992US5126720 Method and apparatus for deactivating magnetic targets
06/30/1992US5126719 Remotely armed alarm system
06/30/1992US5126718 Intrusion detection system
06/25/1992WO1992010819A1 Passive infra-red movement detector
06/25/1992WO1992010812A1 Direction sensitive counting and switching device
06/25/1992DE4040812A1 Miniaturisierter passiv-infrarot-bewegungsmelder A miniaturized passive infrared motion detector
06/25/1992CA2075899A1 Direction sensitive counting and switching device
06/24/1992EP0491121A1 Movable video camera for surveillance
06/24/1992EP0450063A4 An improved 360 degree field of view optical sensing device
06/24/1992CN2108337U Full-automatic multifunction theftproof alarm device
06/24/1992CN2108336U Electronic secret code theftproof alarm device
06/23/1992US5124685 Security device with retractable tether
06/23/1992US5124546 Method and apparatus for refracting light to an optical detector
06/23/1992US5124523 Process for adapting the frequency band of an oscillating circuit made from a metal-plastic-metal sandwich foil useful as an identification label, and sandwich foil for implementing the process
06/23/1992US5123494 Anti-theft weighing system
06/19/1992WO1992011614A1 Surveillance systems
06/17/1992CN2107685U Wireless theft-proof alarm
06/17/1992CN2107684U Miniature multi-function puzzle theft-proof alarm
06/17/1992CN2107683U Coding theft-proof alarm
06/17/1992CN2107682U Vibration impaction sensor
06/13/1992CA2032018A1 Alarm system
06/11/1992WO1992010065A1 Telephoto sensor trigger in a solid state motion analysis system
06/11/1992WO1992010064A1 Video enhancement in a solid state motion analysis system
06/11/1992WO1992010063A1 Surveillance systems
06/11/1992WO1992009978A1 Method of producing tags comprising resonant circuits which can be activated and deactivated
06/09/1992US5121215 Surveillance camera system
06/09/1992US5121106 Electronic article surveillance markers with diagonal deactivation elements
06/09/1992US5121103 Load isolated article surveillance system and antenna assembly
06/09/1992US5119652 Anti-theft seal for commercial articles having rod-like portions
06/03/1992EP0488776A2 Compact monitor camera
06/03/1992EP0487982A2 Jamming apparatus for electronic article surveillance systems
06/03/1992EP0487875A1 Burglary signalling arrangement
06/03/1992EP0444148A4 Intrusion detection barrier
06/03/1992CN2106395U Cipher theft-proof alarm
06/03/1992CN1061669A 空气压力变化探测器 Air pressure variation detector
06/02/1992US5119205 Methods and apparatus for scanning and analyzing selected images areas
06/02/1992US5119190 Controlling systems and methods for scanning and inspecting images
06/02/1992US5119099 Microwave responder
06/02/1992US5119070 Resonant tag
06/02/1992US5119069 Apparatus and method for locating boundaries of detection zones covered by a passive infrared detection system
06/02/1992CA1302541C Integrating passive infrared intrusion detector and method
05/1992
05/27/1992EP0487358A1 Alarm systems
05/27/1992CN2105733U Theft-proof alarm
05/27/1992CN2105732U Controllable door lock recording alarm
05/27/1992CA2048940A1 Jamming apparatus for electronic article surveillance systems
05/26/1992US5117223 Combination portable alarm system and storage container for parts thereof
05/26/1992US5117221 Laser image projection system with safety means
05/26/1992US5117220 Glass breakage detector
05/26/1992US5117217 Alarm system for sensing and vocally warning a person to step back from a protected object
05/26/1992US5117098 Multi-position trigger for control over aiming and symbol reading in a portable laser diode scanning head
05/26/1992CA1301882C Electromagnetic identification system
05/26/1992CA1301881C Electromagnetic identification system
05/26/1992CA1301880C Dual status magnetic marker having magnetically biasable flux collectors for use in electronic article surveillance systems
05/26/1992CA1301879C Economic, multi-directionally responsive marker for use in electronic article surveillance systems
05/26/1992CA1301878C Integrity control device for any wall, metallic or non-metallic, meantto automatically activate a reaction in case of agression against the aforementionned wall
05/23/1992CA2030627A1 Bicycle alarm
05/21/1992DE4036888A1 Electrically monitored wood security fence - uses electrical conductors incorporated in fence members connected in current monitoring loop
05/21/1992DE4036887A1 Mobile security fence with intruder alarm - has optical or electrical alarm conductors incorporated in mesh fence panels
05/21/1992DE4036886A1 Electrically or optically monitored mesh security fence - has optical or electrical conductors woven in fence mesh extending horizontally to provide capacitive fields
05/20/1992EP0486018A1 Intruder detector
05/20/1992EP0485552A1 Periodic pulse discrimination system
05/20/1992CN2105102U Domestic multifunctional anti-theft device
05/20/1992CN2104573U Safety suitcase having 2-way alarm, anti-theft and anti-robbing runction
05/19/1992US5115160 Easily encodable surface acoustic wave (SAW) security devices
05/19/1992CA1301327C Process and device for deternining the number of persons in a particular space
05/19/1992CA1301306C Intrusion detection system
05/19/1992CA1301277C Phase shift divided leaky cable sensor
05/19/1992CA1300879C Label for alarm systems
05/14/1992WO1992008026A1 Safety device for parallelepipedic box
05/13/1992CN2104472U Infrared surveying anti-stealing alarm device
05/12/1992CA1300715C Tag and method of making same
05/07/1992DE4035443A1 Personal valuables protection system - has receiver activating alarm when transmitter attached to protected item is out of range
05/06/1992EP0484293A2 Infrared presence sensor
05/06/1992EP0483786A2 Method and apparatus for shaping a magnetic field
05/06/1992EP0483498A2 Piezoelectric air pressure variation detector
05/06/1992EP0483140A1 Integrated slow scan and alarm system.
05/06/1992CN2103835U Microwave anti-theft computer dog
05/06/1992CN2103834U Agricultural alarm
05/05/1992US5111290 Surveillance system having a miniature television camera and a RF video transmitter mounted in a mannequin
05/05/1992US5111288 Surveillance camera system
05/05/1992US5111186 LC-type electronic article surveillance tag with voltage dependent capacitor
05/05/1992US5111185 Password controlled anti-theft system for discouraging theft of a multiple-apparatus system
05/05/1992US5111184 Tamper-proof device for detecting opening and closing of a secure container
04/1992
04/29/1992EP0482800A1 Expulsion of detrimental substance from theft-deterrent device
04/29/1992EP0482401A1 Method for ultrasound surveillance of spaces, particularly with regard to motor vehicles
04/29/1992CN2103168U Infrared alarm device
04/29/1992CN2103167U Multifunction auto-alarm sealed protective device
04/28/1992US5109227 Apparatus for identifying and tracking a targeted nuclear source
04/28/1992US5109222 Remote control system for control of electrically operable equipment in people occupiable structures
04/28/1992US5109217 Method and apparatus for enhancing detection of electronic article surveillance tags in close proximity to electrically conductive objects
04/28/1992US5109216 Portable intrusion alarm
04/28/1992US5108822 With dielectric film of reduced thickness