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Class Information
Number: 340/660
Name: Communications: electrical > Condition responsive indicating system > Specific condition > Electrical characteristic > Voltage
Description: Subject matter where the monitored characteristic is the electrical potential at a point in a current carrying circuit.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7589639 |
Electrical control system |
Sep. 15, 2009 |
| 7590499 |
Recording and conveying energy consumption and power information |
Sep. 15, 2009 |
| 7586420 |
Outage notification device and method |
Sep. 8, 2009 |
| 7577534 |
Risk assessment of metal vapor arcing |
Aug. 18, 2009 |
| 7551098 |
Point of sale terminal having pulsed current tamper control sensing |
Jun. 23, 2009 |
| 7551101 |
Light emitting device drive controller, and a light emitting device driving apparatus |
Jun. 23, 2009 |
| 7528728 |
Circuits for RFID tags with multiple non-independently driven RF ports |
May. 5, 2009 |
| 7518529 |
Monitoring device for a medium voltage overhead line |
Apr. 14, 2009 |
| 7508314 |
Low battery warning silencing in life safety devices |
Mar. 24, 2009 |
| 7508315 |
Signaling device and method of alerting a work machine operator to a predetermined condition using same |
Mar. 24, 2009 |
| 7486081 |
Apparatus and method for monitoring and controlling detection of stray voltage anomalies |
Feb. 3, 2009 |
| 7481140 |
Detection systems for power equipment |
Jan. 27, 2009 |
| 7468674 |
Voltage sensing hand tool |
Dec. 23, 2008 |
| 7461303 |
Monitoring VRM-induced memory errors |
Dec. 2, 2008 |
| 7446666 |
Electrical control system |
Nov. 4, 2008 |
| 7443310 |
Remote sensor network system with redundancy |
Oct. 28, 2008 |
| 7439870 |
Apparatus for testing cables |
Oct. 21, 2008 |
| 7436314 |
Monitor and circuit arrangement for voltage regulator |
Oct. 14, 2008 |
| 7423545 |
Failed filter arrest indicator and method for use in multiple arrester location |
Sep. 9, 2008 |
| 7422293 |
System and a method for dissipating voltage in an electrical circuit of a vehicle |
Sep. 9, 2008 |
| 7423539 |
RFID tags combining signals received from multiple RF ports |
Sep. 9, 2008 |
| 7423546 |
Device, system and method for monitoring a household electric appliance |
Sep. 9, 2008 |
| 7391335 |
Aerospace light-emitting diode (LED)-based lights life and operation monitor compensator |
Jun. 24, 2008 |
| 7382245 |
Method and apparatus for indicating a power condition at a notification appliance |
Jun. 3, 2008 |
| 7336188 |
System and method for ensuring location of an individual within a designated area |
Feb. 26, 2008 |
| 7330126 |
Power supply controller |
Feb. 12, 2008 |
| 7324004 |
Cargo smoke detector and related method for reducing false detects |
Jan. 29, 2008 |
| 7310049 |
Status indicator |
Dec. 18, 2007 |
| 7298283 |
Device for detecting line-disconnection in stepping motor driver |
Nov. 20, 2007 |
| 7295130 |
Voltage sensing hand tool |
Nov. 13, 2007 |
| 7286059 |
Talking tool holder |
Oct. 23, 2007 |
| 7286060 |
Indicators for vacuum tube replacement devices |
Oct. 23, 2007 |
| 7269764 |
Monitoring VRM-induced memory errors |
Sep. 11, 2007 |
| 7265679 |
Apparatus and method for indicating onset of high-voltage at an output locus of a signal converter device |
Sep. 4, 2007 |
| 7245226 |
Integrated microprocessor controlled alarm |
Jul. 17, 2007 |
| 7183934 |
Diagnostic circuit |
Feb. 27, 2007 |
| 7158042 |
Voltage regulator for physically remote loads |
Jan. 2, 2007 |
| 7154405 |
Use indicator |
Dec. 26, 2006 |
| 7119703 |
Die anti-tampering sensor |
Oct. 10, 2006 |
| 7119701 |
Techniques for detection of an active connection to a network |
Oct. 10, 2006 |
| 7110226 |
Regulator protection circuit and power supply apparatus incorporating it |
Sep. 19, 2006 |
| 7098799 |
Unit for sensing physical quantity |
Aug. 29, 2006 |
| 7049972 |
Lightning strike hazard detector |
May. 23, 2006 |
| 7034562 |
Oscillation detecting apparatus and test apparatus |
Apr. 25, 2006 |
| 7023352 |
Voltage-detecting method and related circuits |
Apr. 4, 2006 |
| 7019658 |
Cable traffic indicator |
Mar. 28, 2006 |
| 7012537 |
Apparatus and method for determining voltage using optical observation |
Mar. 14, 2006 |
| 7010866 |
Voltage step-down structure for a heat-emitting element of a drier |
Mar. 14, 2006 |
| 6998994 |
Failed filter arrest indicator and method for use in multiple arrester location |
Feb. 14, 2006 |
| 6967585 |
Input voltage sense circuit in a line powered network element |
Nov. 22, 2005 |
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