Patents
Patents for G08B 13 - Burglar, theft, or intruder alarms (42,025)
07/1995
07/04/1995USRE34989 Imaging assembly and mounting for surveillance viewing under remote control
07/04/1995US5430511 Controller for a surveillance assembly
07/01/1995CA2137321A1 Method for manufacturing a thin-film eas marker
06/1995
06/29/1995CA2112602A1 Security device for merchandise and the like
06/28/1995CN2202338Y Mechanic sensor for alarm
06/28/1995CN2202337Y Electronic alarm against thief
06/28/1995CN1029172C 空气压力变化探测器 Air pressure variation detector
06/27/1995US5428345 Method of and apparatus for operating a security system to produce an alarm signal
06/27/1995US5427675 Method of manufacturing article having magnetic patterns
06/27/1995CA1336106C Electronic management system
06/22/1995WO1995016981A1 Transponder for a detection system
06/22/1995WO1995016980A1 Wireless alarm system
06/22/1995DE4447053A1 Video camera monitoring system for surveillance and observation
06/21/1995EP0658864A1 Marking device
06/20/1995US5426732 Method and apparatus for user control by deriving next states of a process from a current state and by providing a visual presentation of the derived next states
06/15/1995WO1995016251A1 Differential multi-cell intrusion locating cable
06/15/1995WO1995016250A1 Method and system for remote control and room supervision and use thereof
06/15/1995WO1995016248A1 A siren unit
06/14/1995EP0657330A1 Alarm system for detecting glass breakage
06/14/1995EP0657055A1 Improved rf tagging system with multiple decoding modalities
06/14/1995EP0657054A1 An electro-magnetic security/surveillance equipment
06/14/1995DE4435997A1 Device for detecting attempted break-in
06/14/1995DE4341880A1 Objects e.g. clothing item control system
06/14/1995DE4341745A1 Fence with damage acknowledgement
06/13/1995US5424718 IR intrusion detector using scattering to prevent false alarms
06/13/1995US5424716 Penetration detection system
06/13/1995US5424711 Ultrasonic monitoring system for the interior of a motor vehicle
06/13/1995US5424532 Multi-beam light barrier with monitoring of malfunction
06/08/1995WO1995015546A2 Security/prevention system with related device
06/08/1995DE4436581A1 Indicator for room monitor
06/08/1995DE4341053A1 Alarm emitting grid
06/08/1995CA2177369A1 Security/prevention system with related device
06/07/1995EP0656505A1 Security installation for detecting human presence in dangerous areas
06/07/1995CN1103524A Detection of multiple articles
06/06/1995US5422565 For ascertaining tampering of a connection
05/1995
05/31/1995EP0655719A2 Antenna element for anti-theft devices
05/31/1995EP0603279A4 Identification and telemetry system.
05/31/1995EP0578701A4 Article sorting system.
05/31/1995CN2199566Y Mini alarm
05/30/1995US5420885 Method and apparatus pertaining to communication along an electric fence line
05/30/1995US5419920 Method for marking an object to enable its detection from a distance in the event of loss or theft
05/24/1995EP0654769A1 Device for arming a radio alarm system
05/24/1995EP0654768A1 Alarm system and method by analysis of the signal of a sensor
05/24/1995EP0654098A1 Process for producing a support equipped with an alarm trigger for an anti-theft system.
05/24/1995CN2198638Y Multi-way coding ridio anti-theft alarm for building room
05/24/1995CN2198637Y Anti-theft alarm
05/24/1995CN2198377Y Light alarm door
05/24/1995CN2198272Y Anti-theft alarm glass
05/23/1995US5418567 Surveillance camera system
05/23/1995US5418521 Power cable with alarm
05/23/1995US5418519 Electronic circuit device having an electric-code locking function
05/23/1995CA1335676C Portable data transmitter device and a system using the same
05/18/1995DE4339075A1 Generating digital image from monitoring system
05/18/1995DE4338978A1 Detecting defective light grid sources and/or receivers
05/17/1995CN2197709Y Shaking sensor
05/16/1995US5416467 Security system utilizing loosely contained optical fiber
05/16/1995US5416464 Vehicle anti-theft alarm system
05/16/1995CA1335606C Security device
05/11/1995WO1995012870A1 Method and apparatus for automatically desensitizing sensor elements
05/11/1995WO1995012858A1 Managing an inventory of devices
05/11/1995CA2152276A1 Managing an inventory of devices
05/10/1995EP0652422A2 Device for receiving light rays
05/10/1995EP0507797B1 An autovehicle check system
05/10/1995EP0454804B1 Detector element signal comparator system
05/10/1995CN2196800Y Anti-theft ant anti-lost machine
05/09/1995US5414412 Frequency dividing transponder, including amorphous magnetic alloy and tripole strip of magnetic material
05/09/1995US5414410 Method and system for detecting a marker
05/09/1995US5414409 Alarm system for detecting an audio signal when glass breakage occurs
05/04/1995WO1995012185A1 Capacitive detector device and alarm system
05/04/1995DE4438168A1 Closing device having a lock and fittings for external and internal doors
05/04/1995CA2102345A1 Antitheft system applicable to electronic apparatus
05/03/1995EP0651359A1 A method of, and a system and a device for, recording surveillance information
05/03/1995EP0651264A2 Automatic detection method of fixed or moving objects in the natural environment of a real time image sequence
05/03/1995CN2196320Y Cobalt radiation source alarm device with infrared probe
04/1995
04/27/1995WO1995011573A1 Security system controller
04/27/1995DE4438091A1 Anti-theft protection device
04/27/1995DE4436805A1 Device designed as a trolley for shopping or transporting other goods
04/26/1995EP0649551A1 Alarm circuit
04/26/1995CN1101999A Automatic anti-theft alarm
04/25/1995US5410296 Magnetic tag deactivator for pre-existing check-out counters
04/25/1995US5410295 Anti-theft system for currency stored in a vault
04/20/1995WO1995010212A1 Shopping cart monitoring system
04/20/1995CA2174249A1 Shopping cart monitoring system
04/19/1995EP0649122A1 Detection system for paintings
04/19/1995EP0649111A1 Noise reduction in identification system
04/19/1995CN2195120Y Multifunctional photographing security device
04/19/1995CA2130219A1 Low-power relay operating circuit
04/18/1995US5408219 Fence gate connector for a perimeter security system
04/18/1995US5408213 Portable breakaway alarm system
04/13/1995WO1995010101A1 Retail theft prevention and information device
04/13/1995CA2176232A1 Retail theft prevention and information device
04/12/1995EP0647928A1 Passive infrared movement detector
04/12/1995EP0647856A1 Method for monitoring the openings of a closed space
04/12/1995EP0647550A1 Apparatus for monitoring an enclosure
04/12/1995CN2194531Y 无线密码时差报警器 Wireless Password difference alarm
04/11/1995US5406630 Tamperproof arrangement for an integrated circuit device
04/11/1995US5406327 Tensioning device for the power-supply and coaxial cables of a camera which is moved in a video surveillance tunnel
04/11/1995US5406264 Gaming chip with magnetic EAS target
04/11/1995US5406263 Anti-theft method for detecting the unauthorized opening of containers and baggage
04/11/1995US5406262 Adjusting magnetic bias field intensity in EAS presence detection system to enhance detection