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Class Information
Number: 340/511
Name: Communications: electrical > Condition responsive indicating system > With particular system function (e.g., temperature compensation, calibration) > Alarm system supervision > Threshold or window (e.g., of analog electrical level)
Description: Subject matter wherein the supervisory circuit is coupled to the primary alarm circuit and is responsive to the signal therein attaining a predetermined level or range of levels.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7605695 |
Automatic discovery and classification of detectors used in unattended ground sensor systems |
Oct. 20, 2009 |
| 7576643 |
Sensor for measuring physical variables and for passing on the measured variable, circuit having such a sensor and method for operating the sensor and the circuit |
Aug. 18, 2009 |
| 7557704 |
Emergency location identification system |
Jul. 7, 2009 |
| 7557702 |
Integrated alert generation in a process plant |
Jul. 7, 2009 |
| 7551072 |
Run-time configuration of alarms and events |
Jun. 23, 2009 |
| 7551078 |
Device alert system and method |
Jun. 23, 2009 |
| 7545264 |
Alarm system with analog devices |
Jun. 9, 2009 |
| 7504936 |
Method and apparatus for dynamically prioritize network faults based on real-time service degradation |
Mar. 17, 2009 |
| 7484668 |
Building protection system and method |
Feb. 3, 2009 |
| 7472024 |
Data analysis apparatus and method |
Dec. 30, 2008 |
| 7456737 |
Detector with blinders |
Nov. 25, 2008 |
| 7443289 |
Automatic detection of microphone sabotage in a security system device |
Oct. 28, 2008 |
| 7436314 |
Monitor and circuit arrangement for voltage regulator |
Oct. 14, 2008 |
| 7427916 |
Method for inspecting and monitoring building, structure, or facilities accompanying them |
Sep. 23, 2008 |
| 7415297 |
Physiological parameter system |
Aug. 19, 2008 |
| 7411489 |
Self-adjusting dual technology occupancy sensor system and method |
Aug. 12, 2008 |
| 7400226 |
Emergency lighting system with improved monitoring |
Jul. 15, 2008 |
| 7382245 |
Method and apparatus for indicating a power condition at a notification appliance |
Jun. 3, 2008 |
| 7356495 |
Supply chain management using item detection system |
Apr. 8, 2008 |
| 7355512 |
Parallel alarm processor |
Apr. 8, 2008 |
| 7327247 |
Fire detection system and method using multiple sensors |
Feb. 5, 2008 |
| 7319402 |
Combined doorbell and smoke detection device |
Jan. 15, 2008 |
| 7304580 |
Intelligent medical vigilance system |
Dec. 4, 2007 |
| 7292142 |
Method and apparatus for interfacing security systems by periodic check in with remote facility |
Nov. 6, 2007 |
| 7286052 |
Detector with blinders |
Oct. 23, 2007 |
| 7280039 |
Fire sensor and fire sensor status information acquisition system |
Oct. 9, 2007 |
| 7257515 |
Sliding window for alert generation |
Aug. 14, 2007 |
| 7250855 |
False alarm mitigation using a sensor network |
Jul. 31, 2007 |
| 7249287 |
Methods and apparatus for providing alarm notification |
Jul. 24, 2007 |
| 7190261 |
Arrhythmia alarm processor |
Mar. 13, 2007 |
| 7183905 |
Tool for sensor management and fault visualization in machine condition monitoring |
Feb. 27, 2007 |
| 7170416 |
Device for detecting a body falling into a swimming pool |
Jan. 30, 2007 |
| 7129832 |
High/low level alarm controller |
Oct. 31, 2006 |
| 7126465 |
Monitoring system and method |
Oct. 24, 2006 |
| 7119697 |
Hydrogen fire detection system & method |
Oct. 10, 2006 |
| 7091844 |
Security system and danger sensor for monitoring danger parameters |
Aug. 15, 2006 |
| 7088230 |
Chemical, biological, radiological, and nuclear weapon detection system with alarm thresholds based on environmental factors |
Aug. 8, 2006 |
| 7081816 |
Compact wireless sensor |
Jul. 25, 2006 |
| 7075430 |
Security system and danger sensor for monitoring danger parameters |
Jul. 11, 2006 |
| 7034677 |
Non-specific sensor array detectors |
Apr. 25, 2006 |
| 7034675 |
Intrusion detection system including over-under passive infrared optics and a microwave transceiver |
Apr. 25, 2006 |
| 7031663 |
System for performing environmental measurements and for transferring measurement results |
Apr. 18, 2006 |
| 7030749 |
Parallel measurement alarm processor |
Apr. 18, 2006 |
| 7030746 |
Method and system for generating automatic alarms based on trends detected in machine operation |
Apr. 18, 2006 |
| 7026947 |
Building emergency path finding systems and method |
Apr. 11, 2006 |
| 7023331 |
Peripheral monitor for monitoring periphery of vehicle |
Apr. 4, 2006 |
| 7015807 |
Method and apparatus for indicating activation of a smoke detector alarm |
Mar. 21, 2006 |
| 7002479 |
Hardware monitoring device |
Feb. 21, 2006 |
| 6998992 |
System and an arrangement to determine the position in a hazardous situation |
Feb. 14, 2006 |
| 6989742 |
Device and system for detecting abnormality |
Jan. 24, 2006 |
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