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Class Information
Number: 340/507
Name: Communications: electrical > Condition responsive indicating system > With particular system function (e.g., temperature compensation, calibration) > Alarm system supervision > Fail-safe
Description: Subject matter having the primary alarm circuit itself organized so as to give alarm upon its failure.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7623027 |
System and method for management of resources in emergency and operational situations |
Nov. 24, 2009 |
| 7616109 |
System and method for detecting detector masking |
Nov. 10, 2009 |
| 7598884 |
Seismic warning system |
Oct. 6, 2009 |
| 7583188 |
Software controlled access control door controller |
Sep. 1, 2009 |
| 7561038 |
Telemetry system |
Jul. 14, 2009 |
| 7557701 |
Building monitoring system |
Jul. 7, 2009 |
| 7528711 |
Portable monitoring unit |
May. 5, 2009 |
| 7501942 |
Device for triggering restraint means |
Mar. 10, 2009 |
| 7474947 |
Vehicle customizing system |
Jan. 6, 2009 |
| 7467029 |
Dual processor supervisory control system for a vehicle |
Dec. 16, 2008 |
| 7456736 |
Extensible sensor monitoring, alert processing and notification system and method |
Nov. 25, 2008 |
| 7446665 |
Method for automatically detecting and isolating a power outage in a communication network |
Nov. 4, 2008 |
| 7436291 |
Protection of devices in a redundant configuration |
Oct. 14, 2008 |
| 7408458 |
Method and apparatus for suppressing duplicate alarms |
Aug. 5, 2008 |
| 7403109 |
Method of reducing false alarms during auto-arm |
Jul. 22, 2008 |
| 7351948 |
Safety system and method utilizing multiple laser beams for an industrial machine |
Apr. 1, 2008 |
| 7342505 |
Gas detection apparatus and method for controlling gas sensor |
Mar. 11, 2008 |
| 7327246 |
Safety shut-off system |
Feb. 5, 2008 |
| 7327219 |
Enhanced alarm system for monitoring of patients |
Feb. 5, 2008 |
| 7323978 |
False alarm reduction method and system |
Jan. 29, 2008 |
| 7301448 |
Method and system for deduplicating status indications in a communications network |
Nov. 27, 2007 |
| 7286049 |
Method and system of re-directing and backing up security system data at a receiver |
Oct. 23, 2007 |
| 7263476 |
High speed information processing and mass storage system and method, particularly for information and application servers |
Aug. 28, 2007 |
| 7253728 |
Telemetry system |
Aug. 7, 2007 |
| 7248155 |
Security device with built-in intercommunicated false alarm reduction control |
Jul. 24, 2007 |
| 7239235 |
Non-contact sensor idle validation switch |
Jul. 3, 2007 |
| 7206201 |
Memory storage device docking adapter having a laterally mounted fan |
Apr. 17, 2007 |
| 7193522 |
Apparatus and circuit for use with capacitive presence detection systems |
Mar. 20, 2007 |
| 7170403 |
Tamper switch structure and security sensor including the tamper switch structure |
Jan. 30, 2007 |
| 7171582 |
Method for controlling a safety-critical system which has a microcontroller |
Jan. 30, 2007 |
| 7158024 |
Packet intrusion detection rule simplification apparatus and method, and packet intrusion detection apparatus and method using simplified intrusion detection rule |
Jan. 2, 2007 |
| 7148795 |
System and method for management of resources in emergency situations |
Dec. 12, 2006 |
| 7126466 |
Network status animation tool |
Oct. 24, 2006 |
| 7123137 |
Patient safety and alerting system |
Oct. 17, 2006 |
| 7095321 |
Extensible sensor monitoring, alert processing and notification system and method |
Aug. 22, 2006 |
| 7088255 |
Health monitoring display system for a complex plant |
Aug. 8, 2006 |
| 7081827 |
Power over Ethernet-prioritized active splitter |
Jul. 25, 2006 |
| 7075446 |
Method and apparatus for monitoring motor rotation speed |
Jul. 11, 2006 |
| 7058967 |
Video distribution system and method |
Jun. 6, 2006 |
| 7053783 |
Pathogen detector system and method |
May. 30, 2006 |
| 7049952 |
System for detection of hazardous events |
May. 23, 2006 |
| 7030749 |
Parallel measurement alarm processor |
Apr. 18, 2006 |
| 7019635 |
Method and device for the detection of sources in a communications system |
Mar. 28, 2006 |
| 7019636 |
Electronic system with a multiple access protocol and method of multiple access |
Mar. 28, 2006 |
| 6972681 |
Monitoring apparatus |
Dec. 6, 2005 |
| 6960995 |
Integrated lightning detector |
Nov. 1, 2005 |
| 6937147 |
System and method for management of resources in emergency situations |
Aug. 30, 2005 |
| 6930596 |
System for detection of hazardous events |
Aug. 16, 2005 |
| 6927695 |
Sensor loop with distributed power sources and method therefor |
Aug. 9, 2005 |
| 6922143 |
Serial bus type configuration recognition and alarm apparatus |
Jul. 26, 2005 |
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