Patents
Sitemap › G08 - Signalling › G08B - Signalling or calling systems; Order telegraphs; Alarm systems › 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)
06/1983
06/22/1983EP0081654A2 Household appliance with alarm warning device
06/14/1983US4388616 Fire detection system with programmed sensitivity changes
06/09/1983WO1983002046A1 Remote subscriber interaction system
06/07/1983CA1147828A1 Pull station protector
04/1983
04/27/1983EP0077668A1 A combined communication, security and alarm radio system
04/19/1983CA1145016A1 Emergency locator transmitter incident time correlator
04/19/1983CA1145014A1 Diagnostics in ground proximity warning systems
04/05/1983US4379290 Alarm device with a condition sensor element
03/1983
03/31/1983WO1983001139A1 Long range wireless alarm monitoring system
03/29/1983CA1143826A1 Data communications terminal
02/1983
02/16/1983EP0072187A1 Method and apparatus for identifying the location of a change in state of a part of an electrical circuit
02/16/1983EP0071752A1 Fire alarm system
02/08/1983CA1141004A1 Alarm system activated by buzzers
02/01/1983US4371751 Automatic telephonic user emergency message transmitting apparatus
01/1983
01/18/1983US4369435 Fire detector and fire alarm system having circuitry to detect removal of one or more detectors at a signal station
01/18/1983US4369426 Emergency distress signal system for motor vehicles
01/18/1983CA1139552A1 Mechanism for aurally instructing a patient and method
01/04/1983US4367458 Supervised wireless security system
01/04/1983CA1138990A1 Antenna system for electronic security installations
12/1982
12/15/1982EP0066879A1 Circuit arrangement for the transmission of measured values to a central station, especially for a fire signalling system
12/15/1982EP0066737A1 Circuit arrangement for the transmission of measured values to a central station, especially for a fire signalling system
12/07/1982US4363031 Wireless alarm system
12/01/1982EP0065826A1 Mechanically actuated signalling apparatus
11/1982
11/30/1982US4361833 Multi-sensor alarm system and method of protecting a premises
11/30/1982US4361832 Automatic centralized monitoring system
11/30/1982US4361730 Security terminal for use with two-way interactive cable system
11/16/1982US4359721 Two-wire multi-zone alarm system
11/16/1982US4359719 Hall effect alarm pull station
11/09/1982US4358756 Alarm transmission system
11/03/1982EP0063876A1 Alarm system and a sensor module therefor
11/02/1982US4357602 Fire detection and warning system
10/1982
10/26/1982US4356476 Multiple alarm detector monitoring and command system
10/19/1982CA1134003A1 Central station alarm system
10/12/1982US4354275 Apparatus for communicating receipt of transmitted messages
09/1982
09/28/1982US4352199 Method and device for detecting and interpreting a distress signal
09/28/1982US4352089 Voice warning system for an automotive vehicle
09/22/1982EP0060574A1 Portal type personnel radiation monitor
09/14/1982US4349812 Multiple detector alarm latch and release system
09/07/1982CA1131317A1 Method and device for detecting and interpreting a distress signal
09/02/1982WO1982002971A1 Electronic warning system
09/01/1982EP0058721A1 Ultrasonic communication and security system
08/1982
08/31/1982US4347501 Installation for transmitting alarm signals
08/31/1982CA1130885A1 Security system
08/25/1982EP0058596A1 Selective transmission system for traffic information
08/03/1982US4342986 Central station alarm reporting system
07/1982
07/27/1982US4342023 Noise level controlled voice warning system for an automotive vehicle
07/13/1982CA1127418A1 Apparatus and method for indicating the presence in a fluid of one or more predetermined substance
07/06/1982US4338601 Apparatus for the storage and transfer of information
07/06/1982US4338493 Method and devices for reporting emergency calls and for initiating emergency assistance measures
06/1982
06/22/1982US4336463 Annunciator
06/08/1982CA1125413A1 Annunciator
06/01/1982US4333074 Security system
05/1982
05/26/1982EP0052220A2 Method and device for measuring the resistance in a signalling line
05/25/1982US4331953 Communication system for use in hazardous confined areas
05/25/1982CA1124352A1 High line security for alarm systems
05/12/1982EP0051383A1 Apparatus and method for a telephone alarm system
05/11/1982US4329678 Method and apparatus for remotely controlling an electrical appliance
05/05/1982EP0050732A1 Transmitter with dial or identification number storage
04/1982
04/28/1982EP0050299A1 Detection method and system, particularly for surveillance installations or automatisms
04/27/1982CA1122692A1 Audio-detector alarm
04/20/1982CA1122295A1 Automatic centralised monitoring system
04/14/1982EP0049457A2 Alarm pull station
03/1982
03/30/1982US4322854 Data communications terminal
03/23/1982US4321592 Multiple sensor intrusion detection system
03/18/1982WO1982000910A1 Ultrasonic communication and security system
03/09/1982US4319230 Radio alarm system
03/09/1982CA1119688A1 Sensor monitoring alarm system
03/02/1982CA1119276A1 Multiple sensor intrusion detection system
02/1982
02/16/1982US4316179 Fire detection system
01/1982
01/12/1982US4310835 Security equipment including trigger circuit
01/12/1982CA1116264A1 Method of transmitting a plurality of information signals on a common carrier frequency range from different transmitters to a receiver
12/1981
12/30/1981EP0042501A1 Device for the transmission of measured values in a fire warning system
12/29/1981CA1115372A1 Multi-function combustion detecting device
12/23/1981EP0041952A1 Danger detection device with detector.
12/15/1981CA1114450A1 Automatic police emergency locator system
12/01/1981CA1113348A1 Fire detection and extinguishing apparatus
11/1981
11/24/1981US4302753 Multi-function combustion detecting device
11/18/1981EP0039761A2 Fire annunciating arrangement and method
11/17/1981US4301515 Variable timing system
11/11/1981EP0039624A1 Data communication system
11/10/1981US4300048 Alarm detector responsive to rate change of a monitored condition
11/04/1981EP0039203A2 Sheltered housing schemes communications system
10/1981
10/27/1981US4297688 Photoelectric smoke sensing and alarming device
10/27/1981US4297683 Vandal alarm system for parking meters
10/27/1981US4297633 Electric fence monitoring system with energizer, responder and receiver
10/21/1981EP0038253A1 Alarm box
10/20/1981CA1111123A1 Electronic theft detection system for monitoring wide passageways
10/14/1981EP0037573A1 Automatic telephonic message transmitting apparatus
10/13/1981US4295208 Signalling system including apparatus for generating and testing data and command words within first and second message intervals
10/13/1981US4295130 Audio-visual disaster alert system
09/1981
09/23/1981EP0036276A2 Fire detection system
09/22/1981US4291237 Anti-theft system for automotive vehicles
09/15/1981US4290056 Protective system
09/01/1981US4287511 Intrusion alarm system utilizing structural moment detector as intrusion sensor and as receiver for mechanical intrusion and command signals
08/1981
08/26/1981EP0034562A2 Signal station for fire alarm system
08/25/1981US4286331 Monitoring and signalling system including apparatus for processing and analyzing signals produced by activity monitoring sensors
08/25/1981US4286117 Danger alarm system
08/25/1981US4285483 Electronic events recording means
08/25/1981CA1107839A1 Latching alarm smoke detector
08/25/1981CA1107835A1 Surveillance method and system with electromagnetic carrier and plural range limiting signals
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