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)
12/1984
12/05/1984EP0127561A1 Safety shield control device
12/05/1984EP0127493A1 Acoustical pressure differential detector
12/05/1984EP0127258A2 Security control system for electrical equipment
12/05/1984EP0126955A1 Open-air ground surveillance apparatus
12/04/1984US4486661 Wall mountable modular snap-together passive infrared detector assembly
12/04/1984US4486656 Pulsed light barrier apparatus for direct connection to an a.c. supply
11/1984
11/28/1984EP0126703A1 Detection apparatus
11/27/1984US4485374 Non-wired perimeter protective system
11/27/1984US4485305 Infrared detector with vibrating chopper
11/27/1984CA1178418A1 Security system
11/21/1984EP0125443A1 Controlled barrier
11/20/1984US4484184 Ferromagnetic material
11/20/1984US4484182 Intruder detection apparatus for functioning free of disturbance while in close proximity to high-power pulse-moldulated radars
11/20/1984US4484181 Travel burglar/smoke alarm
11/20/1984US4484075 Infrared intrusion detector with beam indicators
11/14/1984EP0124564A1 Fastening clip.
11/14/1984EP0124537A1 Method for the surveyance of an object space.
11/13/1984US4482890 Weight responsive intrusion detector using dual optical fibers
11/06/1984US4481428 Batteryless, portable, frequency divider useful as a transponder of electromagnetic radiation
10/1984
10/31/1984EP0123557A2 Flexible ferromagnetic marker for the detection of objects having markers secured thereto
10/30/1984CA1177141A1 Television set with supervisory functions of alarming burglary and safe watching distance
10/25/1984WO1984004191A1 A theft protection system particularly for shop areas
10/24/1984EP0122326A2 Method and apparatus for manufacturing security strips
10/23/1984US4479114 In a security system
10/23/1984US4479113 Compensated intruder-detection systems
10/23/1984US4479056 Motion detector for space surveillance
10/23/1984US4479053 Focal plane array optical proximity sensor
10/17/1984EP0121649A1 Amorphous antipilferage marker
10/11/1984WO1984003975A1 Reminder alarm system
10/11/1984WO1984003974A1 Improvements relating to a security system
10/09/1984US4476459 Theft detection method and apparatus in which the decay of a resonant circuit is detected
10/02/1984US4475089 Proximity detector
10/02/1984CA1175525A1 Passive infrared intrusion detection system
09/1984
09/28/1984EP0077327A4 Alarm device.
09/19/1984EP0118698A2 Protection grid
09/19/1984EP0118612A2 Indicator for space monitoring
09/19/1984EP0118592A1 Tensile strength cable incorporating an optical fibre sensor
09/12/1984EP0118200A2 Anti-theft alarm device for video cassette recorder
09/12/1984EP0118182A2 Pattern processing method
09/12/1984EP0117982A2 Shock and vibration sensitive switch
09/11/1984US4471344 Dual frequency anti-theft system
09/11/1984US4471343 Electronic detection systems and methods
09/11/1984CA1174321A1 Fiber optics security system
09/04/1984US4470046 Capacitively coupled machine tool safety system having a digital quantizer
09/04/1984US4470040 Microvibration detector using a single piezoelectric element as both sensor and alarm generator
09/04/1984US4470039 Premise alarm shunt arrangement
09/04/1984CA1173931A1 Magnetic surveillance system with odd-even harmonic and phase discrimination
09/04/1984CA1173924A1 Customer queue control method and system
08/1984
08/30/1984WO1984003382A1 Infrared-sensitive detector consisting of a peltier element
08/29/1984EP0116701A1 Anti-theft device
08/29/1984EP0116647A1 Fire alarm system
08/28/1984US4468763 Seismic intruder detection using pressure waves
08/28/1984US4468658 Simplified intruder detection module
08/28/1984US4468657 Simplified intruder detector
08/21/1984US4467153 Shock and vibration sensitive switch
08/14/1984US4465998 Burglar-proof barrier
08/14/1984CA1172746A1 Video movement detector
08/14/1984CA1172723A1 Intruder detection security system
07/1984
07/31/1984US4463340 Anti-theft control system
07/24/1984US4462023 Personal property alarm
07/19/1984WO1984002789A1 Anti-shoplifting system
07/18/1984EP0113533A2 Television receiver
07/18/1984EP0113512A2 Motion detection systems
07/18/1984EP0113468A2 Optical device for deflecting optical rays
07/17/1984US4460892 Method and apparatus for detecting changes in lighting intensity utilizing a microprocessor
07/17/1984US4460829 Infrared intrusion detector with response indicator light
07/11/1984EP0113069A1 Optical system for ceiling mounted passive infrared sensor
07/10/1984US4459583 Alarm system
07/10/1984CA1170758A1 Flexible tape electroacoustic transducer using an electret
07/06/1984EP0068019A4 Control device responsive to infrared radiation.
07/04/1984EP0112493A1 Device to activate and/or deactivate a security label with magnetizable layers
07/03/1984US4458266 Video movement detector
07/03/1984US4458241 Device for protecting works of art
07/03/1984US4458240 Energy wave electronic intruder detection system
07/03/1984US4458146 Photoelectric movement detector with varying amplitude light source
06/1984
06/27/1984EP0111948A1 Portable alarm device
06/27/1984EP0111632A1 Protection system for windows, doors or the like
06/26/1984CA1169939A1 Intrusion detection system
06/20/1984EP0111009A1 Double-eye crime prevention sensor system
06/20/1984EP0110921A1 Tag-shaped identification device applicable to an object and manufacturing method thereof
06/19/1984US4455550 Detection circuit for a video intrusion monitoring apparatus
06/19/1984US4455464 Alarm system sensing and triggering apparatus
06/19/1984CA1169525A1 Surveillance system employing a floor mat radiator
06/13/1984EP0109984A1 Safeguarded lockable container, particularly case for transporting money and securities
06/12/1984CA1169136A1 Article theft detection
06/07/1984WO1984002247A1 Gas-filled dot matrix display panel
06/05/1984CA1168727A1 Theft detection apparatus using saturable magnetic targets
06/05/1984CA1168725A1 Capacitance intrusion detection system
05/1984
05/29/1984US4451734 Infrared intrusion sensor with selectable radiation patterns
05/29/1984US4451733 Infrared intrusion detector with optical pattern locators
05/29/1984EP0070883A4 Photoelectric obstruction detector for elevator doorways.
05/23/1984EP0109227A1 Alarm unit
05/22/1984US4450434 Apparatus for determining break locations in fencing
05/22/1984US4450351 Motion discontinuance detection system and method
05/15/1984US4449122 Proximity detector employing a crystal oscillator
05/15/1984US4449121 Jalousie with integral alarm circuit
05/10/1984WO1984001872A1 Method for the surveyance of an object space
05/10/1984WO1984001847A1 Fastening clip
05/08/1984US4447726 Passive infrared intrusion detector
05/02/1984EP0107425A2 Radiation pattern change detection
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