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)
05/1991
05/30/1991WO1991007850A1 Digital video camera
05/29/1991EP0429414A2 Device for monitoring the displacement of a protected article, in particular a banknote bunch
05/29/1991EP0429364A1 Supervisory alarm transmission and remote alarm receipt devices
05/29/1991CN2077793U Automatic alarm wallet
05/28/1991US5019804 Apparatus and method for detecting movement of an object
05/28/1991US5019802 Intrusion detection apparatus
05/28/1991US5019801 Article surveillance system having target removal sensor
05/22/1991EP0428432A1 Self-adjusting ultrasonic anti-theft device
05/22/1991EP0428384A2 Universal lattice for magnetic electronic article surveillance system
05/22/1991EP0428262A2 Manufacture of electromagnetic articles, e.g. responder tags
05/21/1991US5017907 Surveillance system
05/21/1991US5017783 360 degree field of view optical sensing device
05/16/1991WO1991006837A1 An improved 360 degree field of view optical sensing device
05/16/1991CA2026976A1 Universal lattice for magnetic-electronic article surveillance system
05/15/1991EP0427559A2 A load security system
05/15/1991CN2077143U Electronic cipher anti-stealing alarm
05/14/1991US5015994 Security light controlled by motion detector
05/14/1991US5015993 Ferromagnetic alloys with high nickel content and high permeability
05/14/1991US5015992 Cobalt-niobium amorphous ferromagnetic alloys
05/14/1991US5015842 High density fiber optic damage detection system
05/14/1991US5015840 Self-checking light curtain system and method of operation
05/11/1991CA2029634A1 Load security system
05/08/1991EP0426293A1 Improvements in or relating to financial transaction cards
05/08/1991EP0425515A1 Anti-theft device for spectacle frames.
05/08/1991EP0332656A4 Motion detector
05/08/1991DE3933796C1 IR alarm with tiltable housing - maintaining reception plane at right angles to observation plane
05/08/1991CN2076694U Vibration sensing type lock-controlled anti-theft alarm
05/07/1991US5014039 Door answering and intruder alert apparatus and method
05/07/1991US5013919 Detector element signal comparator system
05/07/1991US5013908 Break detection system using optical fibers having unique frequency modulated light
05/07/1991CA1283963C Flexible detection label
05/03/1991CA2002226A1 Hand held safety siren
05/02/1991WO1991006079A1 Motion sensor
05/02/1991WO1991005989A1 Detector element signal comparator system
05/02/1991WO1991005682A1 Alarm system for sensing and vocally warning of an unauthorized approach towards a protected object
05/02/1991DE3936084A1 Safe deposit with readily breakable alarm current conductors
05/02/1991CA2071216A1 Motion sensor
05/01/1991WO1991006934A1 Method for tagging articles used in conjunction with an electronic article surveillance system, and tags or labels useful in connection therewith
05/01/1991CN2076256U Burglar alarm device
04/1991
04/30/1991US5012455 Security door with improved sensor for detecting unauthorized passage
04/30/1991US5012335 Observation and recording system for a police vehicle
04/30/1991US5012225 System for deactivating a field-sensitive tag or label
04/30/1991US5012224 Audible tag for magnetic electronic article surveillance systems
04/30/1991US5012099 Intrusion detection and identification arrangement for land vehicles
04/24/1991EP0423651A1 Method for manufacturing a circuit configuration, and circuit configuration on a carrier foil
04/24/1991EP0390779A4 Continuously armed high reliability pulse train processor
04/24/1991CN2075803U Multifunctional anti-theft warner
04/23/1991US5010320 Self modulating electronic article surveillance marker
04/18/1991DE3934185A1 Circuit for monitoring of high voltage pylons - uses strips of parallel pressure switches electrically connected to monitoring circuitry
04/17/1991EP0401322A4 Programmable alarm system having proximity detection with vocal alarm and reporting features
04/17/1991EP0310655A4 Continuously armed high reliability pulse train processor
04/17/1991CN2075365U Anti-theft alarm
04/17/1991CN2075364U Multipurpose anti-theft alarm
04/17/1991CN2075363U Lock-control anti-theft alarm
04/16/1991US5008745 Clock synchronized digital TV motion detector
04/16/1991US5008649 Magnetic security system against theft and burglary and metallic sensor element suitable therefor
04/16/1991US5008648 Electronic door wedge alarm
04/16/1991US5008530 Autocollimation light curtain
04/16/1991US5007199 Anti-intrusion window
04/11/1991DE3933684A1 Electronic security system for goods - has tag transponding interrogation wave in response to output of motion sensor
04/11/1991DE3933071A1 Detector system for presence of individuals - uses IR sensor to generate signal activating display panel e.g. waiting sign for customer in queue
04/11/1991DE3932681A1 Passive IR object security system - has multiple sensors evaluated for direction of intrusion and proximity to secure point
04/10/1991EP0421119A1 Passive infrared motion detector
04/09/1991US5006856 Electronic article surveillance tag and method of deactivating tags
04/09/1991US5006830 Method and device for deterring the unauthorized removal of a newborn from a defined area
04/09/1991US5006712 For fluctuations in radiation
04/09/1991CA1282851C Intrusion detection switch housing
04/03/1991CN2074479U Simulation relay interface of intruding probe
04/03/1991CN2074478U Radio with alarm
04/03/1991CN2074477U Burglar alarm
04/02/1991US5005125 Surveillance, pricing and inventory system
04/02/1991US5005001 Field generation and reception system for electronic article surveillance
04/02/1991US5005000 Kit containing components for an alarm screen assembly
04/02/1991US5004059 Stress wave load cell
03/1991
03/30/1991CA2024521A1 Theft and vandalism deterrent system
03/27/1991EP0419267A1 Signal sensing and measuring in fibre optic systems
03/26/1991US5003292 Fiber optic security system for protecting equipment from tampering
03/26/1991US5003291 Ferromagnetic fibers having use in electronical article surveillance and method of making same
03/26/1991US5003290 Integrated alarm and access control system
03/25/1991CA2014708A1 Automatic panoramic camera mount
03/21/1991WO1991003804A1 Method and apparatus for installing infrared sensors in intrusion detection systems
03/21/1991DE3930389A1 Burglar alarm for enclosed rooms - has IC movement detector between far sound sensor and alarm generator
03/20/1991EP0418123A1 Sliding lateral auto panes
03/20/1991EP0417515A2 A polymeric security window with an integrated intrusion detector
03/19/1991US5001461 Ski equipment theft alarm
03/19/1991US5001460 System for protecting portable articles such as cases and handbags from unauthorized use
03/19/1991US5001458 Method of remote sensing of objects
03/19/1991US5000275 Low power consumption controller for weight sensing article input and removal monitoring system
03/19/1991US5000274 Weight sensor
03/13/1991EP0203083B1 Folded rf marker for electronic article surveillance systems
03/13/1991CN2073136U 防盗监听报警器 Anti-theft alarm monitor
03/12/1991US4999614 Monitoring system using infrared image processing
03/12/1991US4999610 Multi-range infrared detector
03/12/1991US4999609 Antipilferage tags having an acoustic resonator chamber
03/12/1991US4999608 Screen for burglar alarms and method of making the same
03/06/1991CN2072717U Multi-functional anti-stealing anti-violence electronic door bell
03/06/1991CN2072705U Pocket radio anti-stealing alarm with pressure-sensitive sensor
03/06/1991CN2072704U Anti-stealing door lock alarm with distinguishing hosts function
03/06/1991CN1049732A Alarm for door opening
03/05/1991US4998094 Safeguard device
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