Patents
Sitemap › G08 - Signalling › G08B - Signalling or calling systems; Order telegraphs; Alarm systems › G08B 13 - Burglar, theft, or intruder alarms
Patents for G08B 13 - Burglar, theft, or intruder alarms (42,025)
11/1989
11/15/1989CN2047812U Electronic anti-burglar alarm controlled by locks
11/14/1989US4881061 Article removal control system
11/14/1989US4880980 Intrusion detector
11/14/1989US4880974 Photoelectric sensor employing custom lens member
11/14/1989CA1262941A1 Tag device and method for electronic article surveillance
11/09/1989DE3814063A1 Insulator arrangement on a capacitive intrusion-security fence
11/09/1989DE3814062A1 Insulator arrangement on a capacitive security fence (protective fence)
11/08/1989EP0340672A2 Intrusion detection barrier
11/08/1989EP0340670A2 Resonant frequency characteristic tag and method of manufacturing the same
11/08/1989CN2047422U Multi-functional alarm for guarding against theft
11/08/1989CN2047421U Multi-functional electronic alarm with cipher circuit
11/08/1989CN2047420U Ten-functional electronic alarm
11/07/1989US4879544 Intrusion detection system
11/07/1989US4878314 High security window
11/07/1989CA1262762A1 Protected closed space with an electrical interruptor and its application
11/02/1989WO1989010672A1 Processes for transmitting video signals, video cameras for said transmission and applications for said cameras
11/02/1989EP0340131A1 Methods for transmitting video signals, video cameras for this transmission and applications of these cameras
11/02/1989EP0340078A1 Safe, particularly for accounting access means or other objects for monitored usage
11/02/1989EP0340034A2 Random-filament, multi-directionally responsive marker for use in electronic article surveillance systems
11/02/1989EP0340015A2 Antipilferage tags and systems
11/02/1989DE3813887A1 Device for securing doors
11/02/1989DE3812969A1 Infrared movement alarm
10/1989
10/31/1989US4878044 Glazing unit alarm system
10/31/1989US4876764 Closer having door position indicator
10/25/1989EP0338711A2 A pyroelectric element
10/25/1989EP0338696A2 Frequency-dividing amorphous wire transponder for use in a presence detection system
10/25/1989EP0338660A1 Antipilferage systems
10/25/1989CN2046654U Self-defence type alarm for guarding against theft and rob
10/24/1989US4876555 Resonance label and method for its fabrication
10/24/1989US4876532 Vending rack burglar alarm
10/19/1989WO1989010030A1 Actuator and communication system
10/19/1989WO1989009984A1 Antipilferage tags and their use
10/19/1989WO1989009983A1 Antipilferage systems
10/18/1989EP0337964A1 A combined microwave and infra-red detector device, particularly for anti-intrusion systems
10/18/1989EP0337859A1 Modular video safety unit for building
10/18/1989CN2046245U Multipurpose anti-theft warning device
10/18/1989CN2046244U Automatic warning device
10/17/1989US4875198 Intrusion detection apparatus
10/17/1989US4875029 Suppressed transient uniform detection sensitivity pir detector
10/17/1989EP0323457A4 Motion detector apparatus for responding to edge information contained in a television signal.
10/12/1989DE3811154A1 Alarm device for generating a signal when articles of clothing are removed without permission
10/12/1989DE3809752A1 Device for monitoring display cabinets (glass display cabinets)
10/11/1989EP0278955A4 Motion detection apparatus employing information contained in the frequency spectrum of a television signal.
10/11/1989CN2045868U Multi-functional remote or touching warner
10/11/1989CN2045867U Electronic brain automatic warner
10/11/1989CN2045866U Anti-stealing warner
10/10/1989US4873469 Infrared actuated control switch assembly
10/05/1989DE3809957A1 Fibre-optic sensor for compressive forces and its use
10/04/1989CN2045518U Civil joint defence warner with multi-unit
10/04/1989CN2045517U Anti-thief warner
10/04/1989CN2045516U Anti-thief warner for door and window
10/03/1989US4872053 Device to control the presence of information of images in video signals
10/03/1989US4872018 Multiple loop antenna
10/03/1989US4871997 Proximity sensor apparatus
09/1989
09/27/1989EP0334531A1 Concealable proximity detector
09/26/1989US4870405 Object monitoring and alarm device
09/26/1989US4870404 Sensor device for picket barrier intrusion detection and location system
09/26/1989US4870391 Multiple frequency theft detection system
09/26/1989CA1261941A1 Infrared detector
09/26/1989CA1261936A1 Rf reactivatable marker
09/26/1989CA1261027A1 Acoustic apparatus with theft detector for automobile
09/26/1989CA1261025A1 Pyrodetector for the detection of a body entering into its detection area
09/26/1989CA1260106A1 Wireless synchronization system for electronic article surveillance system
09/26/1989CA1260100A1 Security control system
09/21/1989WO1989008903A1 Hertzian-wave intrusion detector
09/21/1989DE3906761A1 Security-sensor system (safety-sensor system)
09/21/1989DE3808212A1 Laminated glass unit having at least two panes
09/21/1989DE3807936A1 Electronic anti-theft system
09/21/1989DE3807826A1 Device for protecting merchandise
09/20/1989EP0333376A2 Improved infrared detector
09/20/1989EP0333188A1 Antitheft warning and securing device for extractable apparatus, in particular car radios
09/20/1989EP0332656A1 Motion detector
09/20/1989CN2044752U Multifunctional automatic alarm for guarding against thief
09/19/1989US4868544 Shopping cart retrieval system
09/19/1989US4868391 Infrared lens arrays
09/19/1989US4867820 Preparation of laminated structure containing an optical fiber
09/12/1989US4866455 Antenna system for magnetic and resonant circuit detection
09/12/1989US4866426 Magnetic amplifier housing and detector for an improved tamper alarm system
09/12/1989US4866423 Overhead sprinkler head proximity alarm
09/12/1989CA1259389A1 Ceiling mounted passive infrared intrusion detector with dome shaped lens
09/12/1989CA1259388A1 Sensor of the theft and the like of an automobile
09/07/1989DE3805439A1 Method for using ultrasound to monitor unauthorised entry into a room (space)
09/06/1989EP0330656A1 Method of remote sensing of objects and apparatus therefor.
09/06/1989CN1035355A Use of optical fibre in pressure sensitive transducers
09/05/1989US4864288 Hall effect motion detector responsive to dual frequency stimuli
09/05/1989US4864282 Method and apparatus for detecting or measuring the presence of humans or biological organism
09/05/1989US4864281 Ferromagnetic label for use in anti-theft surveillance system
09/05/1989US4864280 Flexible detection label
09/05/1989US4864278 Optical intrusion detection system and method
09/05/1989US4864136 Passive infrared detection system with three-element, single-channel, pyroelectric detector
09/05/1989CA1259098A1 Hot body intrusion activated light control unit with daylight photocell deactivation override
08/1989
08/31/1989DE3811987C1 Earthing device on a capacitive protective fence
08/31/1989DE3744443C1 Glas-Verbundeinheit mit mindestens zwei Scheiben Compound glazing unit having at least two discs
08/29/1989US4862143 Method and apparatus for detecting counterfeit articles
08/24/1989WO1989007772A1 Device for the identification of objects
08/24/1989WO1989007769A1 Systems and markers using magnetic or spin resonance phenomena
08/24/1989DE3802485A1 Anti-theft device for non-stationary objects
08/23/1989EP0329402A1 Systems and markers using magnetic or spin resonance phenomena
08/23/1989EP0328709A1 Light barrier
08/22/1989US4859991 Electronic article surveillance system employing time domain and/or frequency domain analysis and computerized operation
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