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Class Information
Number: 340/506
Name: Communications: electrical > Condition responsive indicating system > With particular system function (e.g., temperature compensation, calibration) > Alarm system supervision
Description: Subject matter where there is continuous monitoring of the operativeness of the alarm circuits in the system.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4728935 |
Integrity securing monitor and method for a security installation |
Mar. 1, 1988 |
| 4725819 |
Fire detection system |
Feb. 16, 1988 |
| 4725820 |
Composite detector |
Feb. 16, 1988 |
| 4703312 |
Voice-override alarm system |
Oct. 27, 1987 |
| 4692750 |
Fire alarm system |
Sep. 8, 1987 |
| 4688183 |
Fire and security system with multi detector-occupancy-temperature-smoke (MDOTS) sensors |
Aug. 18, 1987 |
| RE32468 |
Central station alarm |
Aug. 4, 1987 |
| 4673920 |
Fire alarm control and emergency communication system |
Jun. 16, 1987 |
| 4665383 |
Security system with monitoring and warning circuits |
May. 12, 1987 |
| 4660024 |
Dual technology intruder detection system |
Apr. 21, 1987 |
| 4654638 |
Security monitoring system |
Mar. 31, 1987 |
| 4651138 |
Intruder alarm system |
Mar. 17, 1987 |
| 4647913 |
Self-diagnostic ultrasonic intrusion detection system |
Mar. 3, 1987 |
| 4647914 |
Security apparatus and system |
Mar. 3, 1987 |
| 4646067 |
Security bar rack |
Feb. 24, 1987 |
| 4644478 |
Monitoring and alarm system for custom applications |
Feb. 17, 1987 |
| 4642612 |
Intruder detection and deterrent system |
Feb. 10, 1987 |
| 4622538 |
Remote monitoring system state machine and method |
Nov. 11, 1986 |
| 4622539 |
Alarm system with alarm message supervision |
Nov. 11, 1986 |
| 4622540 |
Security system status reporting |
Nov. 11, 1986 |
| 4622541 |
Intrusion detection system |
Nov. 11, 1986 |
| 4616214 |
Security system |
Oct. 7, 1986 |
| 4611197 |
Malfunction-detecting status monitoring system |
Sep. 9, 1986 |
| 4607252 |
Monitoring system for production lines |
Aug. 19, 1986 |
| 4587515 |
Supervising arrangement |
May. 6, 1986 |
| 4581605 |
System for displaying time-related occurrence of alarm-type events |
Apr. 8, 1986 |
| 4581606 |
Central monitor for home security system |
Apr. 8, 1986 |
| 4577182 |
Alarm system |
Mar. 18, 1986 |
| 4575711 |
Alarm terminal device |
Mar. 11, 1986 |
| 4567472 |
Security-ensuring apparatus having an operational guidance function |
Jan. 28, 1986 |
| 4551718 |
Method and apparatus for transmitting status information between remote locations |
Nov. 5, 1985 |
| 4550311 |
Remote sensing systems |
Oct. 29, 1985 |
| 4543565 |
Method and apparatus for monitoring an alarm system |
Sep. 24, 1985 |
| 4543567 |
Method for controlling output of alarm information |
Sep. 24, 1985 |
| 4538138 |
Integrated security system having a multiprogrammed controller |
Aug. 27, 1985 |
| 4536747 |
Comprehensive intruder-environmental hazard detection, control, and action system |
Aug. 20, 1985 |
| 4536748 |
Process for protecting a remote monitoring system against sabotage and a system using this process |
Aug. 20, 1985 |
| 4536749 |
Security-ensuring apparatus having an operational guidance function |
Aug. 20, 1985 |
| 4531114 |
Intelligent fire safety system |
Jul. 23, 1985 |
| 4529970 |
Supervision system for monitoring the integrity of a transmission line |
Jul. 16, 1985 |
| 4529971 |
Alarm loop supervision |
Jul. 16, 1985 |
| 4524349 |
Security system having detector sensing and identification |
Jun. 18, 1985 |
| 4523183 |
Alarm-fault detecting system |
Jun. 11, 1985 |
| 4520348 |
Multiple redundant suppression devices with provision of supervision and fault correction |
May. 28, 1985 |
| 4517554 |
Method and apparatus for inspecting a danger alarm system |
May. 14, 1985 |
| 4514720 |
Method and apparatus for increasing the response sensitivity and the interference resistance in an alarm system |
Apr. 30, 1985 |
| 4514721 |
Multi-operation mode type of security-ensuring apparatus |
Apr. 30, 1985 |
| 4511886 |
Electronic security and surveillance system |
Apr. 16, 1985 |
| 4506253 |
Supervisory and control circuit for alarm system |
Mar. 19, 1985 |
| 4506254 |
Alarm system with detectors and signaling devices on the same cable pair |
Mar. 19, 1985 |
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