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)
07/1986
07/08/1986CA1207403A1 Building surveillance apparatus
07/08/1986CA1207400A1 System for detecting an alarm
07/02/1986CA1207052A Remote signalling apparatus
07/01/1986US4598271 Circuit arrangement for monitoring noise levels of detectors arranged in an alarm installation
07/01/1986US4597451 Fire and explosion detection and suppression
06/1986
06/10/1986US4594580 Expanded-capacity wireless security system with dual-range environmental monitoring and control
06/10/1986CA1205884A1 Circuit arrangement for monitoring noise levels of detectors arranged in an alarm installation
06/03/1986US4593274 Remote signalling apparatus, particularly suitable for remote surveillance purposes
05/1986
05/28/1986EP0181857A1 Vehicular alarm triggering system
05/27/1986CA1205138A1 Security alarm system
05/21/1986EP0181665A1 Method of transmitting information in a digital transmission system
05/13/1986US4588987 Display system for monitoring and alarm system
05/06/1986US4587515 Supervising arrangement
04/1986
04/30/1986EP0179248A1 Annunciator identification arrangement in an alarm system
04/29/1986US4586144 Piping system surveillance apparatus
04/23/1986EP0178454A1 Annunciator identification method and device in an alarm system
04/23/1986EP0178451A1 Annunciator identification arrangement in an alarm system
04/22/1986CA1203594A1 Integrated security system having a multiprogrammed controller
04/08/1986US4581606 Central monitor for home security system
04/08/1986US4581605 System for displaying time-related occurrence of alarm-type events
04/01/1986US4580138 Measurement-expressing apparatus
04/01/1986US4580010 Building surveillance apparatus
03/1986
03/25/1986US4578539 Interrogation device
03/19/1986EP0174804A1 Home control system and interphone system
03/18/1986US4577182 Alarm system
03/11/1986US4575712 Communication system
03/11/1986US4575711 Alarm terminal device
03/04/1986US4574305 Remote hub television and security systems
03/04/1986CA1201505A1 Monitoring system including a number of measuring stations series connected to a signal line
02/1986
02/25/1986US4573041 Electric wiring system having a plurality of sensors
02/18/1986CA1200846A1 Long range wireless alarm monitoring system
02/05/1986EP0170559A1 Event control and recording system for safety devices
02/04/1986US4568919 Monitoring system including a number of measuring stations series connected to a signal line
02/04/1986CA1200284A1 Car-directing apparatus for an alarm system
01/1986
01/28/1986US4567471 Monitoring system
01/28/1986CA1200029A1 Data communication system
01/15/1986EP0167669A1 Method of and device for identifying an alarm triggering sensor in a danger signalling device
12/1985
12/31/1985US4562428 Intrusion detector
12/17/1985US4559526 Security alarm system
12/11/1985EP0164011A1 Signal display device, particularly for signal fields in racks of digital signal systems or carrier frequency systems
12/10/1985US4558181 Portable device for monitoring local area
12/05/1985WO1985005479A1 Vehicular alarm triggering system
12/03/1985US4556873 Fire alarm system
11/1985
11/26/1985US4555695 Fire alarm system
11/19/1985US4554532 Automatic receiver gain control in centralized monitor system
11/19/1985US4554459 Monitoring system for a predetermined field of view
11/19/1985CA1196983A1 Multi-operation mode type of security-ensuring apparatus
11/12/1985US4553138 Fire alarm system
11/05/1985US4551710 Method and apparatus for reporting dangerous conditions
11/05/1985US4551707 Fire alarm pull station
10/1985
10/29/1985US4550312 Remote sensing systems
10/29/1985US4550311 Remote sensing systems
10/29/1985US4550306 Signal transmission system for fire alarm junction line
10/22/1985US4549169 Personal ocean security system
10/22/1985US4549168 Remote station monitoring system
10/22/1985CA1195749A1 Automatic receiver gain control in generalized monitor system
10/16/1985EP0158217A1 Circuit arrangement for a danger-indicating installation
10/15/1985US4546885 Diagnostic device for color sorting apparatus
10/09/1985EP0157117A1 Testing device for an intrusion-signalling apparatus
10/02/1985EP0156752A1 Control and surveillance system for emergency exits
10/01/1985US4544921 Fire alarm system
10/01/1985CA1194573A1 Method and apparatus for identifying the location of a change in state of a part of an electrical circuit
09/1985
09/25/1985EP0155773A2 Communication system
09/24/1985US4543569 Vehicular alarm triggering system
09/18/1985EP0155032A1 Monitoring device
09/03/1985US4539557 Combined communication, security and alarm radio system
08/1985
08/27/1985US4538138 Integrated security system having a multiprogrammed controller
08/27/1985CA1192645A1 Local control apparatus for central station alarm system
08/20/1985US4536751 System for detecting an alarm
08/20/1985US4536750 Car-directing apparatus for an alarm system
08/15/1985WO1985003589A1 Test device for intrusion warning device
08/13/1985US4535321 Method and system for monitoring faults in electrical circuits
07/1985
07/23/1985US4531115 Remote alarm system
07/23/1985US4531114 Intelligent fire safety system
07/10/1985EP0041952B1 Danger detection device with detector
07/01/1985EP0058721A4 Ultrasonic communication and security system.
06/1985
06/26/1985EP0146372A2 Emergency warning device
06/25/1985US4525700 Fire alarm system
06/18/1985US4524349 Security system having detector sensing and identification
06/12/1985EP0144211A2 Sensor cable
06/11/1985US4523185 Zoned intrusion display with series-connected sensors
06/11/1985US4523184 Supervised wireless security system
05/1985
05/28/1985US4520349 Alarm system activated by buzzers
05/21/1985CA1187576A1 Alarm circuit interface unit
05/15/1985EP0141132A1 Monitoring and alarm system for custom applications
05/15/1985EP0141131A1 Display system and method for a monitoring and alarm system
05/07/1985CA1186745A1 Emergency communication device
04/1985
04/30/1985US4514721 Multi-operation mode type of security-ensuring apparatus
04/17/1985EP0137708A2 Improvements in and relating to fire and explosion detection and suppression
04/17/1985EP0137158A2 Remote hub television and security systems
04/16/1985US4511887 Long range wireless alarm monitoring system
04/16/1985US4511886 Electronic security and surveillance system
04/10/1985EP0136800A2 Signal transmission system
04/02/1985CA1184988A1 Local control apparatus for central station alarm system
03/1985
03/26/1985US4507652 Bidirectional, interactive fire detection system
03/26/1985CA1184610A2 Intrusion alarm system for vehicles
03/19/1985US4506254 Alarm system with detectors and signaling devices on the same cable pair
03/19/1985US4506253 Supervisory and control circuit for alarm system
03/06/1985EP0133748A1 Method for detecting and obtaining information about changes in variables
02/1985
02/20/1985EP0133250A1 Danger alarm installation
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