| Patents for G08B 13 - Burglar, theft, or intruder alarms (42,025) |
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| 07/02/1985 | US4527153 Detectable element and sensor |
| 07/02/1985 | US4527152 Anti-shoplifting system |
| 07/02/1985 | US4527150 Intrusion detection system |
| 06/25/1985 | US4525701 Security alarm arrangement |
| 06/25/1985 | US4525047 Burglar and intruder detection system |
| 06/19/1985 | EP0145538A2 Variable sensitivity motion detector |
| 06/19/1985 | EP0145405A2 Security arrangement for microprecessor-controlled electronic equipment |
| 06/19/1985 | EP0145071A2 Infra-red radiation detector |
| 06/18/1985 | US4524384 Video and audio security system |
| 06/18/1985 | US4524350 Detection logic and signal processing method and apparatus for theft detection systems |
| 06/12/1985 | EP0144160A2 Movement sensor |
| 06/11/1985 | US4523186 Seal system with integral detector |
| 06/11/1985 | US4523185 Zoned intrusion display with series-connected sensors |
| 06/11/1985 | US4523095 Radiation detector with asymmetrical pattern |
| 06/11/1985 | US4522146 Burglar alarm system incorporating pneumatically operated components |
| 06/11/1985 | CA1188554A1 Guard fence |
| 06/10/1985 | EP0072850A4 Customer queue control apparatus. |
| 06/06/1985 | EP0062056A4 Dual frequency anti-theft system. |
| 06/04/1985 | US4521768 Intrusion detector |
| 06/04/1985 | US4521767 Composite strip |
| 05/28/1985 | US4520349 Alarm system activated by buzzers |
| 05/23/1985 | WO1985002285A1 A device in an alarm system |
| 05/22/1985 | EP0142380A2 Electronic article surveillance system using marker containing a distributed capacitance lc resonant circuit |
| 05/22/1985 | EP0141929A1 Method and arrangement for measuring modifications of the capacitive state at a protecting fence |
| 05/21/1985 | US4519066 Duplexer with sum and difference signal outputs |
| 05/21/1985 | US4518953 Security fence system |
| 05/15/1985 | EP0141580A1 Glass ceramic materials and the use thereof in thermal sensors |
| 05/15/1985 | EP0141468A2 Microprocessor antitheft device for a radio-set |
| 05/15/1985 | EP0141294A2 Device suitable for detecting changes in the state of rest or of rectilinear uniform motion of a body |
| 05/14/1985 | US4517556 Automatic bypass switch for household security system |
| 05/14/1985 | CA1187155A1 Combined radio and magnetic energy responsive surveillance marker and system |
| 05/09/1985 | WO1985001980A1 Apparatus and method for a universal electronic locking system |
| 05/08/1985 | EP0140643A1 Vibration sensitive trip switch for vehicle alarm system or the like |
| 05/08/1985 | EP0140493A2 Security protection panel |
| 05/08/1985 | EP0139920A1 Barrier using microwaves |
| 05/08/1985 | EP0139698A1 Reminder alarm system |
| 05/07/1985 | US4516115 Intrusion detection system |
| 05/07/1985 | US4516114 Magnetic locking status detection system |
| 05/07/1985 | CA1186769A1 Ir intrusion sensor with selectable radiation patterns |
| 05/02/1985 | EP0138937A1 Improvements relating to a security system |
| 04/30/1985 | US4514729 Environmental control system and method |
| 04/30/1985 | US4514721 Multi-operation mode type of security-ensuring apparatus |
| 04/30/1985 | US4514631 Optical system for ceiling mounted passive infrared sensor |
| 04/30/1985 | US4514630 Optical system for intruder detecting device |
| 04/30/1985 | US4514625 Alarm system to secure a passage |
| 04/17/1985 | EP0137320A2 Video surveillance device |
| 04/16/1985 | US4511918 Scanning apparatus and method |
| 04/16/1985 | US4511888 Dual signal electromagnetic article theft detector |
| 04/16/1985 | US4511886 Electronic security and surveillance system |
| 04/16/1985 | CA1185673A1 Shock and vibration sensitive switch |
| 04/10/1985 | EP0136314A1 Infrared-sensitive detector consisting of a peltier element |
| 04/09/1985 | US4510526 Surveillance system |
| 04/09/1985 | US4510490 Coded surveillance system having magnetomechanical marker |
| 04/09/1985 | US4510489 Surveillance system having magnetomechanical marker |
| 04/09/1985 | US4510488 Passive infrared intrusion detector |
| 04/03/1985 | EP0136265A1 Resonant circuit for theft protection of articles, method of making such circuits and device for carrying out the method |
| 04/02/1985 | US4509039 Shielded, closely spaced transmit-receiver antennas for electronic article surveillance system |
| 03/28/1985 | WO1985001374A1 Warning device |
| 03/27/1985 | EP0135049A1 Electronic article surveillance system |
| 03/26/1985 | US4507654 Security system with infrared optical position detector |
| 03/26/1985 | US4507653 Electronic sound detecting unit for locating missing articles |
| 03/26/1985 | CA1184625A2 Fiber optics security system |
| 03/26/1985 | CA1184610A2 Intrusion alarm system for vehicles |
| 03/20/1985 | EP0134476A1 Pressure-sensitive sensor device for an alarm signal transmitter |
| 03/20/1985 | EP0134404A1 Method and apparatus for target deactivation and reactivation |
| 03/13/1985 | EP0134087A2 Shielded, closely spaced transmit-receiver antennas for electronic article surveillance system |
| 03/13/1985 | EP0134018A2 Target applicator |
| 03/13/1985 | EP0133923A1 Alarm device for doors and windows |
| 03/12/1985 | US4504822 Electric field change sensor employing mains wiring as the transmitting antenna |
| 02/20/1985 | EP0133317A2 Electronic article surveillance system |
| 02/13/1985 | EP0132986A2 Improvement in or relating to hinge assemblies |
| 02/13/1985 | EP0132531A2 Theft detection system target fastener |
| 02/12/1985 | US4499564 Pattern comparison ultrasonic surveillance system with noise suppression |
| 02/12/1985 | US4499444 Desensitizer for ferromagnetic markers used with electromagnetic article surveillance systems |
| 02/05/1985 | US4498076 Resonant tag and deactivator for use in an electronic security system |
| 02/05/1985 | US4498002 Photoelectric instrument for observing a viewing corrider of interest |
| 01/29/1985 | US4496809 Vibration sensitive trip switch for vehicle alarm system of the like |
| 01/23/1985 | EP0131996A2 Infra-red radiation detector |
| 01/23/1985 | EP0131738A1 Measuring device for detecting the self-capacitance or the variability of the same at a capacitive protective fence |
| 01/22/1985 | US4495487 Signal retention by a ferromagnetic strip after flexing or bending |
| 01/22/1985 | US4494930 Shaft furnace for heat treatment of finely dispersed materials |
| 01/22/1985 | CA1181506A1 Security system with multiple levels of access |
| 01/17/1985 | WO1985000235A1 Dual signal electromagnetic article theft detector |
| 01/16/1985 | EP0131440A1 Variable frequency RF electronic surveillance system |
| 01/16/1985 | EP0130973A1 Anti-shoplifting system |
| 01/15/1985 | US4494114 Security arrangement for and method of rendering microprocessor-controlled electronic equipment inoperative after occurrence of disabling event |
| 01/15/1985 | CA1181163A1 Motion and intrustion detecting system |
| 01/09/1985 | EP0130702A1 Alarm system |
| 01/09/1985 | EP0130286A2 Method and apparatus for detection of targets in an interrogation zone |
| 01/08/1985 | CA1180829A1 Lift control system |
| 01/08/1985 | CA1180788A1 System for registrating a passing article |
| 01/02/1985 | EP0130097A1 Undulating woven wire-netting for burglar signalling, and application of this wire-netting |
| 01/01/1985 | US4491984 Method and apparatus for detecting interruptions in the transmission of light signals |
| 12/27/1984 | EP0129335A1 Desensitizer for ferromagnetic markers used with electromagnetic article surveillance systems |
| 12/25/1984 | US4490647 Gas-filled dot matrix display panel |
| 12/20/1984 | WO1984004987A1 Tag intended to be associated to a product or article to enable to check for its presence |
| 12/20/1984 | WO1984004986A1 A multi-laser security curtain |
| 12/20/1984 | WO1984004985A1 Laser security system |
| 12/18/1984 | US4489313 Signal direction determining system and directional loop antenna array therefor |
| 12/11/1984 | US4488040 Fiber optic sensor |