| Patents for G08B 13 - Burglar, theft, or intruder alarms (42,025) |
|---|
| 05/08/1990 | US4924206 Car security system and method |
| 05/08/1990 | CA1268838A1 Sensor element arrangement in a supporting frame for a radiant heat detector and method for the production thereof |
| 05/08/1990 | CA1268654A1 Camera support and housing |
| 05/03/1990 | WO1990004529A1 Programmable alarm system having proximity detection with vocal alarm and reporting features |
| 05/03/1990 | DE3837145A1 Securing device for shaft coverings, in particular for cellar gratings |
| 05/02/1990 | EP0366166A2 Method and device for detecting abnormal situations in ultrasonic antitheft systems particularly for motor vehicles |
| 05/02/1990 | CN2056777U Safety alarm |
| 05/02/1990 | CN2056776U Anti-theft device for wire on pole |
| 05/01/1990 | US4922275 Automatic panoramic camera mount |
| 05/01/1990 | US4922228 Railing |
| 05/01/1990 | US4922227 Touch-controlled switch and alarm system |
| 05/01/1990 | US4922093 Method and a device for determining the number of people present in a determined space by processing the grey levels of points in an image |
| 05/01/1990 | CA1268526A1 Motion detector |
| 04/26/1990 | DE3930735A1 Security element for building door or window - uses optical signal transmitted between opposing door or window panels |
| 04/26/1990 | DE3836311A1 Anti-theft device for skis |
| 04/25/1990 | EP0365109A1 Electronic unit operable in conjunction with body unit |
| 04/25/1990 | EP0365062A1 Optical fibre pressure sensor |
| 04/25/1990 | EP0364921A1 Guide tube for a mobile surveillance sensor |
| 04/25/1990 | CN2056528U Bidirectional master-slave mode theft-proof alarm |
| 04/24/1990 | US4920367 Housing for a surveillance camera |
| 04/24/1990 | US4920335 Electronic article surveillance device with remote deactivation |
| 04/24/1990 | US4920334 Security system for bicycles, ski racks and coat racks |
| 04/24/1990 | US4920333 Unauthorized opening of a door |
| 04/24/1990 | US4920332 Differential detector of acoustic pressure |
| 04/24/1990 | US4920331 Security barrier with intrusion sesning and delaying means |
| 04/24/1990 | US4920268 Passive infrared detection system with substantially uniform sensitivity over multiple detection zones |
| 04/19/1990 | WO1990004240A1 Wallet incorporating credit card alarm system |
| 04/19/1990 | DE3834817A1 Fence post |
| 04/18/1990 | EP0364187A2 Wallet |
| 04/18/1990 | EP0364107A1 False alarm minimization and direction determination methods |
| 04/18/1990 | EP0364093A2 Methods of and systems for optical fiber sensing |
| 04/18/1990 | EP0363625A2 Fence post |
| 04/18/1990 | EP0363520A1 A photoelectric sensor |
| 04/18/1990 | CN2056265U Multifunctional civil burglar alarm |
| 04/17/1990 | US4918717 Alarm system having bidirectional communication with secured area |
| 04/17/1990 | US4918473 Surveillance camera system |
| 04/11/1990 | EP0363216A2 Intrusion detection apparatus |
| 04/11/1990 | CN2055962U Remote sensing photorecording burglar alarm |
| 04/11/1990 | CN2055961U Easy switch type alarm |
| 04/11/1990 | CN2055960U Dual-functional multipurpose anti-theft alarm |
| 04/10/1990 | US4916613 Remote low power indicator for battery driven apparatus |
| 04/10/1990 | US4916433 Warning signal emission means |
| 04/10/1990 | US4916267 Door closer position monitor |
| 04/10/1990 | US4915359 Security apparatus |
| 04/07/1990 | CA2000270A1 Intrusion detection apparatus |
| 04/05/1990 | WO1990003652A1 Metallic glass alloys for mechanically resonant target surveillance systems |
| 04/05/1990 | WO1990003623A1 System for verification of de-activation of anti-theft markers |
| 04/05/1990 | DE3928635A1 Opto-electrical security fence system - uses optical fibre cables as alarm line extending between fence posts |
| 04/05/1990 | DE3923608A1 Window breakage warning device for motor vehicle - uses mechanical operation of electric push-button switch to activate warning signal |
| 04/05/1990 | DE3900224A1 Arrangement for detecting when the pane of a motor vehicle side window has been broken |
| 04/05/1990 | DE3832353A1 Expanding the function of monitoring devices in shops and department stores |
| 04/04/1990 | EP0361877A2 Phase shift divided leaky cable sensor |
| 04/04/1990 | EP0361224A1 Infrared intrusion detector |
| 04/04/1990 | CN2055619U Ultrasonic anti-theft warner |
| 04/04/1990 | CN2055618U Self-setting secret code type anti-theft alarm |
| 04/03/1990 | US4914284 Optical wide angle sensor head |
| 03/28/1990 | EP0359762A1 Sensing element for an alarm system. |
| 03/28/1990 | EP0116647B1 Fire alarm system |
| 03/27/1990 | US4912748 Infrared intrusion detector with a plurality of infrared ray detecting elements |
| 03/27/1990 | US4912456 Door latch alarm |
| 03/27/1990 | US4912455 Alarm systems |
| 03/27/1990 | US4912331 Security sensors |
| 03/27/1990 | US4910980 Door lock/unlock detector for use in theft prevention device for automobiles |
| 03/22/1990 | DE3832019A1 Securing device (safety device) |
| 03/21/1990 | EP0359346A1 Kit for a security fence |
| 03/21/1990 | EP0358942A2 Glass plate breakage detector |
| 03/21/1990 | EP0358929A2 A photoelectric sensor |
| 03/20/1990 | US4910634 Interlock switch |
| 03/20/1990 | US4910499 Tag and method of making same |
| 03/20/1990 | US4910498 Swimming pool safety alarm |
| 03/20/1990 | US4910497 Closure alarm for containment chambers for dangerous materials |
| 03/20/1990 | CA1266900A1 Apparatus and method for detecting a magnetic marker |
| 03/14/1990 | EP0358587A1 Device for the detection of pressure on a rubber surface containing carbon |
| 03/14/1990 | EP0358576A2 Surveillance device for parked cars |
| 03/14/1990 | EP0358544A2 Method and device for automatically activating the alarm system, in particular for an automobile |
| 03/13/1990 | US4908704 Method and apparatus for obtaining an object image and distance data of a moving object |
| 03/13/1990 | US4908608 Alarmcard |
| 03/13/1990 | US4908607 Anti-pickpocket alarm |
| 03/13/1990 | US4908606 Theft resistant security containers using shocking wires and audio alarm |
| 03/13/1990 | CA1266711A1 Fence with security wires fastened to posts via sensors |
| 03/08/1990 | DE3838434C1 Monitoring device |
| 03/07/1990 | EP0357539A2 Infra-sonic detector and alarm with self adjusting reference |
| 03/07/1990 | EP0357482A2 Anti-theft device for a piece of electrical equipment |
| 03/07/1990 | EP0357002A2 Pyroelectric infrared sensor |
| 03/07/1990 | EP0356734A2 Intruder detection device with television cameras |
| 03/07/1990 | CN2054184U Wireless warner |
| 03/06/1990 | US4907175 Monitoring device |
| 03/06/1990 | US4906976 Infrared detector |
| 03/06/1990 | US4906975 Vibration responsive intrusion detection barrier |
| 03/06/1990 | US4906974 Process for deactivating a resonance label, and circuit arrangement for carrying out the process |
| 03/06/1990 | US4906973 Walk-through metal detector |
| 02/28/1990 | EP0355355A2 Portable scanning system including a surveillance tag deactivator |
| 02/28/1990 | EP0273215B1 Autocollimatory light curtain |
| 02/28/1990 | CN2053774U Burglar alarm |
| 02/28/1990 | CN1040107A Anti-theft remote-control alarm of tv |
| 02/27/1990 | US4905271 Method of preventing auto theft |
| 02/27/1990 | US4904050 Methods of and systems for optical fiber sensing |
| 02/27/1990 | CA1266311A1 Method, system and apparatus for magnetic surveillance of articles |
| 02/22/1990 | WO1990001758A1 Security system |
| 02/22/1990 | DE3828296A1 Alarm device |