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)
08/1983
08/30/1983US4401976 Multiple sensor interconnected alarm system responsive to different variables
08/24/1983EP0086617A2 Remotely controllable lockable container for safekeeping articles
08/24/1983EP0086369A1 Infrared intrusion detector with pyroelectric radiation receiver
08/23/1983US4400695 Electronic intruder detection system
08/18/1983WO1983002840A1 Burglar-proof device for surfaces
08/16/1983US4399430 Intruder detection security system
08/16/1983CA1152196A1 Electronic intruder detection system
08/09/1983US4398257 Customer queue control method and system
08/09/1983US4398191 Door interlock system for radioactive testing
08/09/1983US4398184 Intrusion alarm system for buildings utilizing the building structure as a communications path for alarm signals or for security system activation signals
08/09/1983US4398089 Penetration sensing system with radiation-emitting material
08/09/1983US4397167 Antitheft device for motor vehicles
08/02/1983CA1151282A1 Acoustical monitoring system
07/1983
07/27/1983EP0084400A2 Detection system
07/26/1983CA1150829A1 Asymmetrical antennas for use in electronic security systems
07/20/1983EP0083622A1 Alarm apparatus, particularly for conveying brief-case
07/19/1983US4394644 Purse alarm
07/19/1983US4394584 Switching device for checking the closed position of a folding door
07/19/1983CA1150359A1 Alarm device with a condition sensor element
07/13/1983EP0083431A1 Reflection light barrier with an extended detection range
07/12/1983US4392707 Take-off connector for security circuit
07/06/1983EP0082861A1 Alarm system for safeguarding against the breakthrough of a surface.
07/05/1983US4391203 Security apparatus
06/1983
06/29/1983EP0082820A2 Optical fibre pressure detector
06/29/1983EP0082729A2 Perimeter security system
06/28/1983US4390868 Security of manufactured apparatus
06/28/1983US4390867 Burglar alarm system
06/21/1983US4389580 Flexible tape electroacoustic transducer using an electret
06/21/1983CA1148635A1 Proximity detector
06/21/1983CA1148630A1 Shielded balanced loop antennas for electronic security systems
06/14/1983US4388528 Photoelectronic apparatus
06/09/1983WO1983002027A1 Antitheft system
06/01/1983EP0080114A1 Radiation detector with sensor elements
06/01/1983EP0022831B1 Alarm device for doors
05/1983
05/31/1983US4386343 Acoustic emission intruder alarm system
05/31/1983US4386342 Intrusion alarm system
05/31/1983US4386341 Security apparatus with audible alarm of enhanced urgency
05/31/1983US4386275 Apparatus and method for detecting the presence of a heat-emitting body
05/31/1983CA1147447A1 Intrusion alarm system
05/26/1983WO1983001855A1 Optically based intrusion detector
05/24/1983US4385288 Motion responsive alarm system
05/24/1983US4384489 Method of monitoring stored nuclear fuel elements
05/17/1983US4384281 Theft detection apparatus using saturable magnetic targets
05/17/1983US4384280 Anti-entry device for surfaces
05/17/1983US4384207 Differential pyroelectric detector
05/17/1983CA1146660A1 Method of monitoring stored nuclear fuel elements
05/11/1983WO1983001697A1 Identification device formed as a band carried by a tag-like object
05/11/1983WO1983001689A1 Detection method and apparatus for a user device or automatic teller bank machine
05/11/1983EP0078401A1 Amorphous antipilferage marker
05/10/1983US4383250 System for intrusion detection
05/03/1983US4382252 Intrusion warning system
04/1983
04/29/1983EP0053185A4 Motion and intrusion detecting system.
04/27/1983EP0077327A1 Alarm device
04/26/1983US4381504 Switch and alarm system responsive to sudden movement, angular tilt and vibration
04/20/1983EP0077146A1 Security system
04/20/1983EP0077100A1 A device for the automatic detection of passengers getting in and out of public transport vehicles; by applying said device obtained further device for automatic passenger counting and device for automatically opening and closing of vehicle doors
04/19/1983CA1145015A1 Surveillance systems
04/19/1983CA1145008A1 Intrusion detecting switch
04/19/1983CA1145006A1 Exit-entry sensing apparatus
04/19/1983CA1144776A1 Radiation detector devices and circuit arrangements including radiation detector devices
04/14/1983WO1983001331A1 Electronic security system with noise rejection
04/12/1983US4379971 Pyroelectric sensor
04/06/1983EP0075590A1 Motion discontinuance detection system and method
04/05/1983US4379290 Alarm device with a condition sensor element
04/05/1983US4379289 Fiber optics security system
03/1983
03/29/1983CA1143815A1 Light frame counter device
03/22/1983US4377808 Infrared intrusion alarm system
03/16/1983EP0073934A1 Grate bar capable of triggering an alarm
03/16/1983EP0073927A1 Intrusion warning wire fence
03/15/1983US4376935 Handbag utilizing automatically functioning illumination and alarm devices
03/09/1983EP0073681A2 Improvements relating to position detection devices
03/08/1983US4376276 Door alarm with flexible switch actuator
03/08/1983CA1142638A1 Video monitoring system and method
03/02/1983EP0073068A2 Theft prevention system in an automotive keyless entry system with automatic door locking
03/02/1983EP0072850A1 Customer queue control apparatus.
03/02/1983EP0072787A1 Alarm system
02/1983
02/23/1983EP0072552A2 Detectable element
02/22/1983US4375034 Passive infrared intrusion detection system
02/22/1983CA1141840A1 Alarm device
02/22/1983CA1141839A1 E field balanced phase intrusion alarm
02/16/1983EP0072085A1 Security barrier structure
02/15/1983US4374378 Scanning seismic intrusion detection method and apparatus
02/15/1983CA1141450A1 Intrusion warning wire-lattice, and method and device for manufacturing same
02/09/1983EP0070883A1 Photoelectric obstruction detector for elevator doorways.
02/08/1983US4373163 Loop antenna for security systems
02/08/1983CA1141004A1 Alarm system activated by buzzers
02/03/1983WO1983000402A1 Alarm apparatus, particularly for conveying brief-case
02/01/1983US4371869 Fence or wall incorporating fibre-optic wave-guide
02/01/1983CA1140357A1 Code type lock
01/1983
01/26/1983EP0070364A2 Movement signalling device for space surveillance
01/25/1983US4370697 Capacitor for measuring forces
01/25/1983US4370675 Doorbell actuated television security system
01/25/1983US4370644 Alarm device for a door, automatically switched off during a licit access
01/25/1983US4370020 Transportable fibre optic apparatus for use in a security system
01/20/1983WO1983000246A1 Alarm system for safeguarding against the breakthrough of a surface
01/19/1983EP0070240A1 Detector for the prevention of the theft of articles
01/19/1983EP0070224A1 Surveillance and alarm method and device
01/19/1983EP0069782A1 Optical system for intruder detecting device
01/18/1983US4369437 Security and alarm apparatus
01/11/1983US4368460 Dual mode moving target sensor
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