G08B 25 - Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems

Patents for G08B 25 - Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems (15,949)
02/1989
02/07/1989	USRE32856 Alarm system
02/07/1989	US4803482 Exit control and surveillance system
02/07/1989	US4803465 Apparatus for improving the reliability of an alarm circuit
02/01/1989	EP0301736A1 Input-output device
01/1989
01/31/1989	US4801924 Transmitter programmer connect system
01/24/1989	US4800366 Alarm locator module for picket barrier intrusion detection and location system
01/11/1989	EP0298133A1 Apparatus for the prevention of disasters
01/11/1989	EP0298132A1 Facility for prevention of disasters
12/1988
12/28/1988	EP0296758A1 Emergency call system
12/21/1988	EP0295593A2 Individual identification
12/20/1988	US4792946 Wireless local area network for use in neighborhoods
12/20/1988	US4792798 Remote control system for pull-cords
12/20/1988	CA1247198A1 Remote sensing systems
12/14/1988	EP0295146A2 Supervised, interactive alarm reporting system
12/08/1988	DE3717645A1 Alarm signalling device, particularly for monitoring high-voltage towers
11/1988
11/30/1988	CN88103843A Multifunctional alarm and control system
11/23/1988	CN87103269A General automatical fire-alarm controlled with microcomputer for ship and land
11/17/1988	EP0290548A1 Digital image acquisition system.
10/1988
10/25/1988	CA1243743A1 Load sensing alarm condition monitor
10/18/1988	CA1243383A1 Alarm device for code driven electromechanical control device
10/11/1988	US4777488 Restaurant service request communications system
10/11/1988	US4777478 Apparatus for monitoring persons or the like
10/11/1988	US4777477 Surveillance alarm-security system
10/05/1988	CN88101545A A fire alarm system
09/1988
09/27/1988	US4774658 For transmitting event information
09/27/1988	US4774510 Monitoring annunciator apparatus
09/27/1988	US4774502 Environmental abnormality detection apparatus
09/22/1988	WO1988007245A1 Combined alarm, security and rescue system
09/22/1988	DE3707471A1 monitoring installation for pylons in a power line
09/20/1988	US4772876 Remote security transmitter address programmer
09/15/1988	DE3706680A1 Method and device for monitoring electricity pylons for intentional damage
09/14/1988	EP0281633A1 Signal sending circuit of a disaster prevention system
08/1988
08/31/1988	EP0279864A1 Facility for preventing disasters
08/30/1988	US4768202 Signalling method and device for bidirectional digital transmission link
08/16/1988	US4764765 Binary display device to aid switch setting
08/16/1988	US4764757 Security detection and location system with independent local alarm and communications circuits
08/16/1988	US4764754 Fail-safe alarm circuit
08/02/1988	US4761648 Information transmission system
08/02/1988	CA1240046A1 Status display system
07/1988
07/28/1988	WO1988005582A1 Apparatus for the prevention of disasters
07/28/1988	WO1988005581A1 Facility for prevention of disasters
07/28/1988	WO1988005580A1 Personal alarm system
07/27/1988	EP0276059A2 Remote control signalling device
07/26/1988	US4760382 Resistance loop equipment security system
07/19/1988	US4758823 System for protecting a group of locations of a network by anticipating vandalism
07/12/1988	US4757303 Alarm system
07/05/1988	US4755798 Circuit for controlling a display panel
07/05/1988	US4755797 Fire alarm apparatus
07/05/1988	US4755792 Security control system
06/1988
06/30/1988	DE3643618A1 Circuit arrangement for the reconnectable (programmable) output of messages in telecontrol technology devices
06/28/1988	US4754261 Security system
06/21/1988	US4752698 Emergency supervisory system
06/15/1988	EP0271071A2 Monitoring system for electricity pylons
06/14/1988	US4751498 Single-wire loop alarm system
06/08/1988	EP0270286A2 Alarm switch
06/08/1988	EP0269965A1 Method and switching arrangement for the prevention of theft of devices, especially car radios
06/08/1988	EP0269747A1 Transmission circuit of facilities for preventing disasters
06/07/1988	US4749986 Collecting process of fire data and fire detector using the process and fire alarm system also using the process
06/07/1988	US4749985 Functional relationship-based alarm processing
06/02/1988	WO1988004082A1 Digital image acquisition system
06/01/1988	EP0268682A1 Fire alarm facility
05/1988
05/25/1988	CN85101213B Alarm system relays
05/24/1988	US4747120 Automatic personnel monitoring system
05/24/1988	US4746912 Emergency alarm method and system utilizing cross cueing and ranging techniques
05/17/1988	US4745399 Device for generating an alarm signal in the event of an environmental abnormality
05/10/1988	US4743901 Signal transmission system
05/10/1988	US4743886 Testing apparatus for intrusion detectors
05/05/1988	DE3717523C1 Protective means for a steel lattice mast
05/03/1988	US4742336 Portable intrusion detection warning system
04/1988
04/26/1988	US4740787 Centralized monitoring method for security system
04/21/1988	DE3634564A1 Circuit arrangement for transmitting communication signals
04/19/1988	US4739326 Fault flag driver
04/19/1988	US4739309 Method and system for indicating and display information in response to electrical signals
04/12/1988	US4737784 Keyless entry system for automotive vehicle devices with weak-battery alarm
04/12/1988	US4737783 Emergency access method in centralized monitoring system
04/12/1988	US4737771 Security system with interference detection
04/12/1988	US4737770 Security system with programmable sensor and user data input transmitters
04/12/1988	US4737769 Fire detection alarm system
04/12/1988	US4737758 Personal security and electronic parking system
04/07/1988	WO1988002527A1 Aircraft security system
03/1988
03/30/1988	EP0261206A1 Single-wire loop alarm system
03/30/1988	CN86106319A Remote sensing and monitoring system for bazards of collapsc and leakage
03/29/1988	US4734680 Detection system with randomized transmissions
03/24/1988	WO1988002160A1 Signal sending circuit of a disaster prevention system
03/22/1988	US4733224 Detector system with multiple sensors each sensing different danger conditions
03/22/1988	US4733223 Apparatus for monitoring a communications system
03/15/1988	US4731810 Neighborhood home security system
03/10/1988	WO1988001521A1 Facility for preventing disasters
03/09/1988	EP0258316A1 Personal alarm transmitter
03/01/1988	US4728936 Control and display system
03/01/1988	US4728928 Call switch for wet areas
03/01/1988	CA1233539A1 Crossed beam high frequency anti-theft system
02/1988
02/24/1988	CN86210339U Automatic frequency-changing and anti-interfrerence alarm system
02/16/1988	US4725821 Device for generating an alarm signal
02/16/1988	US4725819 Fire detection system
02/16/1988	US4725818 Walk through test system
02/09/1988	US4724425 Security and alarm system
02/04/1988	DE3624679A1 Plurality of ring-connected detector stations connected to an alarm receiving station
02/02/1988	US4724478 Cable television communication system with passive sensor signal path and a subscriber power supply source
01/1988
01/20/1988	EP0253709A1 Monitoring installation with detectors in the form of a loop

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