| Patents for G08B 13 - Burglar, theft, or intruder alarms (42,025) |
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| 03/31/1987 | CA1219738A1 One die system of compression transmission fittings |
| 03/26/1987 | WO1987001851A1 Audio and video digital recording and playback system |
| 03/26/1987 | WO1987001844A1 Burglary or anti-theft protection system |
| 03/25/1987 | EP0215685A2 Glass break detector |
| 03/25/1987 | EP0215605A2 RF reactivatable marker |
| 03/25/1987 | EP0215266A2 System including tuned AC magnetic field transmit antenna and untuned AC magnetic field receive antenna |
| 03/25/1987 | EP0215244A2 Inductive magnetic field generator |
| 03/25/1987 | EP0215242A2 Selector for AC magnetic inductive field receiver coils |
| 03/24/1987 | US4652864 Microwave proximity sensor |
| 03/24/1987 | US4652863 Disarmable magnetic anti-shoplifting marker |
| 03/24/1987 | CA1219653A1 Taut wire fence system and sensor therefor |
| 03/24/1987 | CA1219652A1 Electronic article surveillance security system |
| 03/18/1987 | EP0214440A2 Coded surveillance marker with improved biasing |
| 03/18/1987 | CN86202066U Bag with a alertor against theft |
| 03/18/1987 | CN86106221A Tamper resistant supervisory |
| 03/17/1987 | US4651144 Security housing with motion detector |
| 03/17/1987 | US4651143 Security system including a daughter station for monitoring an area and a remote parent station connected thereto |
| 03/17/1987 | US4651023 Electronic switch |
| 03/17/1987 | US4651013 Smoke detector with changeable pulse light emitting interval for monitoring purposes |
| 03/17/1987 | US4650989 Alignment apparatus for photoelectric intrusion detector system |
| 03/17/1987 | US4650986 Electrical control having automatic mode selection |
| 03/12/1987 | EP0103629A4 Method and apparatus for theft detection systems. |
| 03/12/1987 | DE3532197A1 Light curtain |
| 03/12/1987 | DE3531293A1 Device for the mechanical monitoring and/or securing of the operative position of electric or electronic proximity switches, for example magnetic switches |
| 03/12/1987 | DE3530473A1 Alarm money |
| 03/11/1987 | EP0213619A2 Light vehicle range discriminator |
| 03/11/1987 | EP0213558A1 A method and an apparatus for detecting an intruder |
| 03/11/1987 | EP0213437A1 Lock switch for locks and/or lock bolts |
| 03/11/1987 | EP0213375A2 Surveillance marker clip assembly |
| 03/11/1987 | EP0213356A1 Device for mechanically monitoring and/or securing the operating position of electrical or electronic proximity switches, e.g. magnet contacts |
| 03/04/1987 | EP0212061A2 Antipilferage marker for clothing or similar articles |
| 03/03/1987 | US4647917 Article control system having coded magnetomechanical marker |
| 03/03/1987 | US4647913 Self-diagnostic ultrasonic intrusion detection system |
| 03/03/1987 | US4647910 Selector for AC magnetic inductive field receiver coils |
| 03/03/1987 | US4647788 Infrared radiation bi-level electric control |
| 02/26/1987 | WO1987001229A1 Security device |
| 02/26/1987 | WO1987001228A1 Security apparatus |
| 02/26/1987 | WO1987001227A1 Security apparatus |
| 02/26/1987 | WO1987001226A1 Surveillance installation |
| 02/26/1987 | WO1987001225A1 Picket barrier and intrusion sensing system |
| 02/24/1987 | US4646172 Video system and method |
| 02/24/1987 | US4646071 Infrared-ray sensitive alarm device built into electronic equipment |
| 02/24/1987 | US4646067 Security bar rack |
| 02/24/1987 | US4645930 Motion detector |
| 02/18/1987 | CN85106291A Method of light signal processing |
| 02/17/1987 | US4644286 Article surveillance system receiver using synchronous demodulation and signal integration |
| 02/17/1987 | US4644164 Compact passive infrared intrusion sensor |
| 02/17/1987 | US4644147 Method for deflection of optical rays and an optical arrangement therefor |
| 02/17/1987 | US4643400 Trip-wire guiding device and protective fence including same |
| 02/12/1987 | WO1987000950A1 Security apparatus |
| 02/12/1987 | WO1987000949A1 Security apparatus |
| 02/11/1987 | CN86101517A System for preventing articles from losing and giving warnings |
| 02/11/1987 | CN86101513A Driving type detecting system |
| 02/10/1987 | US4642640 Signal receptor-reradiator and surveillance tag using the same |
| 02/10/1987 | US4642613 Electronic theft detection apparatus with responder elements on protected articles |
| 02/10/1987 | US4642612 Intruder detection and deterrent system |
| 02/10/1987 | US4642454 Infrared intrusion detector with field of view locator |
| 02/05/1987 | DE3527873A1 Area protection against sabotage at an intrusion signalling centre |
| 02/04/1987 | EP0210831A1 Securing arrangement |
| 02/04/1987 | EP0210816A2 Inertia sensitive device |
| 02/04/1987 | EP0210715A2 Inertia-Sensitive Device |
| 02/03/1987 | US4641186 Motion detector that extracts motion information from sidebands of a baseband television signal |
| 02/03/1987 | US4641134 Infrared-sensitive detector consisting of Peltier element |
| 02/03/1987 | CA1217526A1 Desensitizer for ferromagnetic markers used with electromagnetic article surveillance systems |
| 01/29/1987 | WO1987000666A1 An alarm system |
| 01/29/1987 | DE3526341A1 Method and device for accurately evaluating the measurement signals determined from a capacitive protective fence |
| 01/29/1987 | DE3525976A1 Method for securing premises |
| 01/28/1987 | EP0209816A1 Method for the production of plane electric circuits |
| 01/28/1987 | EP0209518A1 Monitor for an alarm system |
| 01/27/1987 | US4639902 Near ultrasonic pattern comparison intrusion detector |
| 01/27/1987 | US4639716 Alarm packet system |
| 01/27/1987 | CA1217256A1 Detection logic and signal processing method and apparatus for theft detection systems |
| 01/22/1987 | DE3525265A1 Method and device for monitoring objects |
| 01/21/1987 | EP0209385A2 Passive infra-red sensors |
| 01/21/1987 | EP0208876A1 Alarm device |
| 01/20/1987 | US4638294 Unauthorized entry detection system |
| 01/20/1987 | US4638292 Theft prevention system in an automotive keyless entry system with automatic door locking |
| 01/15/1987 | WO1987000324A1 Magnetic article surveillance system, method and coded marker |
| 01/14/1987 | EP0208093A2 Fence with safety wires attached to posts via detectors |
| 01/13/1987 | US4636950 Inventory management system using transponders associated with specific products |
| 01/13/1987 | US4636775 Sensor for an alarm system |
| 01/13/1987 | US4636774 Variable sensitivity motion detector |
| 01/06/1987 | USH182 Adjustable indicating device for load position |
| 01/06/1987 | US4635041 Theft protection system particularly for shop areas |
| 01/06/1987 | US4634975 Method and apparatus for producing electromagnetic surveillance fields |
| 01/06/1987 | US4634217 High tensile wire provided with light guide sensor |
| 01/06/1987 | CA1216340A1 Intrusion detector |
| 01/06/1987 | CA1216339A1 Intrusion warning wire fence |
| 12/30/1986 | US4633250 Coplanar antenna for proximate surveillance systems |
| 12/30/1986 | US4633235 Optical cable security system with standby and automatic re-arming features |
| 12/30/1986 | US4633234 Sonic detector having digital sampling circuit |
| 12/30/1986 | US4633233 Window security device |
| 12/30/1986 | US4633232 Alarm device |
| 12/30/1986 | EP0207020A1 Arrangement in alarm systems particularly anti-theft systems for stores |
| 12/30/1986 | EP0206664A2 Guard system |
| 12/30/1986 | EP0206483A2 Security control system |
| 12/30/1986 | EP0206458A2 Vibration-sensitive transducer |
| 12/24/1986 | CN86201149U Multifunctional theft-proof suitcase and bag |
| 12/18/1986 | WO1986007449A1 Pyroelectric infrared sensor |
| 12/17/1986 | EP0205225A2 An electromagnetic detection system, as well as a responder for such a system |