G08B 13 - Burglar, theft, or intruder alarms

Patents for G08B 13 - Burglar, theft, or intruder alarms (42,025)
10/1992
10/06/1992	US5153566 Motion sensor switch and annunciator device
10/06/1992	US5153562 Method and apparatus for deactivating electromagnetic detection labels
10/06/1992	US5153561 Secured valuable box for beach goers
10/06/1992	US5153560 Apparatus for detecting presence of person inside room having door
10/01/1992	WO1992016919A1 Intrusion warning system
10/01/1992	DE4109840A1 Reception antenna for long wave transmissions - has coil wound around amorphous soft magnetic alloy core
09/1992
09/30/1992	EP0505501A1 Golf cart control system
09/30/1992	CN2117636U Theft alarm of cargo vehicle
09/30/1992	CN2117635U Coded bell for preventing thieves
09/29/1992	US5151945 Determination of ambient light level changes in visual images
09/29/1992	US5151843 Sensitizer for ferromagnetic markers used with electromagnetic article surveillance systems
09/29/1992	US5151826 Fresnel lens
09/29/1992	US5151684 Electronic inventory label and security apparatus
09/29/1992	US5151591 Asynchronous signal interrogation circuit for an detection apparatus
09/23/1992	EP0289551B1 Method for protecting objects against theft and objects protected according to such method
09/23/1992	CN2116935U Automatic infrared monitoring image formation alarm
09/22/1992	US5150101 Security system for cigarette display case
09/22/1992	US5150099 Home security system and methodology for implementing the same
09/17/1992	WO1992016074A1 Surveillance camera system
09/17/1992	WO1992015972A1 A detector
09/16/1992	CN2116255U Anti-theft automatic camera device
09/16/1992	CN2116254U Microwave sensor
09/16/1992	CN2116253U Multifunctional anti-theft alarm mounted on door or window
09/15/1992	US5148150 Compact security alarm circuitry and apparatus for portable containers
09/15/1992	US5148149 Differential delay intrusion detection sensory system
09/15/1992	US5148044 Structure of multiplex connector
09/09/1992	EP0502791A1 Method and device for the surveillance of a determined space, such as room, field or industrial installation
09/09/1992	EP0502585A1 Antenna device for a shoplifting detection system
09/09/1992	CN2115560U Gate bell equipment with theft proof alarm
09/08/1992	US5146205 Security and display system
09/08/1992	US5146204 Theft detection apparatus and flattened wire target and method of making same
09/08/1992	US5144820 Anti-theft device for spectacle frames
09/02/1992	EP0501253A1 Apparatus for detecting fires in a wide area, particularly forest fires
09/02/1992	EP0500870A1 Methof of producing a magnetic target demagnetizer
09/02/1992	CN2114860U Controllable wireless theft-proof alarm
09/02/1992	CN2114859U Multi-function electronic theft-proof alarm tarpaulin
09/02/1992	CN2114858U Multi-purpose theft-proof alarm with identifying function
09/02/1992	CN1018099B Method and device for determining number of people present in determined space
09/01/1992	US5144661 Security protection system and method
09/01/1992	US5144421 Methods and apparatus for scanning objects and generating image information
08/1992
08/27/1992	DE4105814A1 Optical arrangement for imminent animal birth warning for horses - has light barriers at various heights which cease to be interrupted when animal lies down to give birth
08/26/1992	EP0273938B1 Article security system
08/26/1992	CN2114195U Theft-peoof magnetic-control alarm
08/26/1992	CN1063952A Detection with multi-dimensional standing-wave incursion-proof detector
08/25/1992	US5142292 Coplanar multiple loop antenna for electronic article surveillance systems
08/25/1992	US5142270 Stabilized resonant tag circuit and deactivator
08/25/1992	US5142269 Electronic component theft sensor and security system
08/25/1992	US5142152 Sliding door sensor
08/20/1992	WO1992014225A1 Remote setting of alarm systems
08/20/1992	DE4203304A1 Antitheft alarm system for electrical appliances - initiates alarm signal upon unauthorised disconnection of protected appliance
08/19/1992	EP0499582A1 Deactivating device for resonance tags
08/19/1992	EP0499519A1 Optical cable with a destruction device for the optical fibres of the cable
08/19/1992	EP0499177A1 Anti-intrusion device
08/19/1992	EP0499148A1 Glass breakage detector
08/19/1992	CN2113524U Full automatic alarm device
08/18/1992	US5140258 Disposable tamper detection device for electricity meters
08/13/1992	DE4137010A1 Vending or gaming machine with space surveillance function - performs contactless detection of intruder approaching during hours when machine is not available for normal purposes
08/12/1992	CN2112866U Domestic electric appliances theft-proof alarm device
08/12/1992	CN2112833U Cable theft-proof alarm device
08/12/1992	CN2112812U Electronic vibration sensor
08/11/1992	US5138456 Processes for transmitting video signals, video cameras for such transmission and applications of such cameras
08/11/1992	US5138299 Showcase alarm system
08/11/1992	US5138152 Signal sensing and measuring in fibre optic systems with light pulse width detecting
08/06/1992	DE4103363A1 Sky light security alarm detector with weak link - guarantees triggering of alarm at central station by breakage of electric conductor laid along pivoted arm
08/05/1992	EP0497707A2 Apparatus and method for monitoring a camera of CCTV
08/05/1992	CN2112185U Infrared alarm
08/05/1992	CN2112184U Reticulated film, plate anti-theft alarm
08/05/1992	CN2112183U Anti-theft defending warning apparatus
08/05/1992	CN2112182U Anti-breaking multi-way alarm
08/05/1992	CN2111996U Violence-proof glass door window
08/04/1992	CA1306034C Security enclosures
08/04/1992	CA1306015C Infant security system
07/1992
07/29/1992	EP0496607A1 Surveillance system
07/29/1992	EP0496344A1 Device for the authorisation of the use of an apparatus with an actuating unit
07/28/1992	US5134386 Intruder detection system and method
07/28/1992	US5134292 Moving object detector and moving object detecting system
07/28/1992	US5133605 Monitoring system employing infrared image
07/28/1992	US5133095 Method of and system for supplying electric power to automatic water discharge apparatus
07/23/1992	WO1992012504A1 Method for identifying magnetic characteristics of magnetic elements
07/23/1992	WO1992012503A1 DEVICE FOR PROTECTING OBJECTS, IN PARTICULAR $i(OBJETS D'ART)
07/22/1992	EP0495486A2 Method and apparatus for deactivating magnetic targets
07/21/1992	CA1305547C Security device for conveying systems with unmanned vehicles
07/19/1992	WO1992013327A1 Method and apparatus for enhancing hygiene
07/19/1992	WO1992013326A1 Intelligent security system
07/19/1992	CA2100783A1 Method and apparatus for enhancing hygiene
07/19/1992	CA2077903A1 Intelligent security system
07/16/1992	DE4100536A1 IR movement detector with variable field of view for monitoring - has lens foil in front wall of housing focussing radiation onto two sensors on rear wall
07/15/1992	EP0494752A1 Multiple security video display
07/15/1992	EP0494715A1 A theft protection system
07/15/1992	EP0494409A1 Antitheft device
07/15/1992	EP0494349A2 Sensor for an interior, particularly in a motor vehicle
07/14/1992	US5130698 Deactivatable anti-theft security strip
07/14/1992	US5130697 Method and apparatus for shaping a magnetic field
07/14/1992	US5130695 Alarm system with sustained alarm
07/14/1992	US5130543 Direction sensitive energy detecting apparatus
07/08/1992	EP0494114A2 Electronic identification system
07/08/1992	EP0493718A2 System and method for automatically detecting a variation of video information
07/08/1992	CN2109602U Multifunction anti-theft automatic action alarm
07/07/1992	US5128755 Wireless real time video system and method of making same
07/07/1992	US5128753 Method and apparatus for scaning objects and generating image information

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