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Class Information
Number: 307/125
Name: Electrical transmission or interconnection systems > Switching systems > Condition responsive > Electrical
Description: Subject matter in which the condition to which the system is automatically responsive is an electrical condition.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7622886 |
Method for determination of the risk to disturbance-free operation of a frequency converter |
Nov. 24, 2009 |
| 7622828 |
Loaded triac output system |
Nov. 24, 2009 |
| 7598627 |
Switch-mode power supply |
Oct. 6, 2009 |
| 7589436 |
Data processing unit and DC backup power supply |
Sep. 15, 2009 |
| 7547994 |
Apparatus and method for managing power of mobile terminal |
Jun. 16, 2009 |
| 7471015 |
Electronic apparatus controlling an electric power supply to a main microprocessor and peripheral devices through an auxiliary microprocessor |
Dec. 30, 2008 |
| 7449800 |
Power control system |
Nov. 11, 2008 |
| 7450726 |
Headset detector in a device generating audio signals |
Nov. 11, 2008 |
| 7446438 |
Power control circuit |
Nov. 4, 2008 |
| 7439706 |
Battery determination system for battery-powered devices |
Oct. 21, 2008 |
| 7417339 |
Fast transition power supply |
Aug. 26, 2008 |
| 7403135 |
Capacitive relay takeoff swimming platform sensor system |
Jul. 22, 2008 |
| 7397384 |
Track lighting system current limiting device |
Jul. 8, 2008 |
| 7391133 |
Hybrid switch |
Jun. 24, 2008 |
| 7391134 |
Electrical safety lockout mechanism for power tools and other hazardous machinery |
Jun. 24, 2008 |
| 7382065 |
Circuit for controlling inductive loads, in particular of electro actuators, at high efficiency |
Jun. 3, 2008 |
| 7369921 |
Power distribution expert system |
May. 6, 2008 |
| 7358627 |
Electronic control systems and methods |
Apr. 15, 2008 |
| 7352086 |
Switching circuit, switching module and method of controlling the switching circuit |
Apr. 1, 2008 |
| 7352085 |
Disconnection of electronic device from power source |
Apr. 1, 2008 |
| 7327052 |
Modular connecting system for protecting an electrical load in a bus system |
Feb. 5, 2008 |
| 7327053 |
Electronic power circuit |
Feb. 5, 2008 |
| 7271506 |
Rack mountable power distribution apparatus |
Sep. 18, 2007 |
| 7262522 |
Microelectromechanical isolating power converter |
Aug. 28, 2007 |
| 7259481 |
Automatic transfer switch capable of receiving input power having voltage within a wide range |
Aug. 21, 2007 |
| 7245491 |
Storage medium protection system |
Jul. 17, 2007 |
| 7239047 |
Switch device incorporating capacitive oscillator |
Jul. 3, 2007 |
| 7235751 |
Electric device, a current limiter and an electric power network |
Jun. 26, 2007 |
| 7230354 |
Driver system for MOSFET based, high voltage, electronic relays for AC power switching and inductive loads |
Jun. 12, 2007 |
| 7187090 |
Mobile high voltage network |
Mar. 6, 2007 |
| 7177132 |
Method and apparatus for determining a switching signal state |
Feb. 13, 2007 |
| 7164368 |
Multi-channel proportional user interface for physical control applications |
Jan. 16, 2007 |
| 7155603 |
Circuit arrangement for detecting the state of at least one electrical switch |
Dec. 26, 2006 |
| 7132767 |
Method and circuit for switchover between a primary and a secondary power source |
Nov. 7, 2006 |
| 7109609 |
Method and pulse-control circuit for a power component |
Sep. 19, 2006 |
| 7075195 |
Electrical safety lockout mechanism for power tools and other hazardous machinery |
Jul. 11, 2006 |
| 7068496 |
Docking solution for a tablet notebook computer |
Jun. 27, 2006 |
| 7065662 |
Information handling system featuring a power-based current limiting circuit |
Jun. 20, 2006 |
| 7028511 |
Direct current power supply for a washing appliance |
Apr. 18, 2006 |
| 7019417 |
Power-on reset circuit with current detection |
Mar. 28, 2006 |
| 7015674 |
Booster pack with storage capacitor |
Mar. 21, 2006 |
| 6992405 |
Dynamic voltage scaling scheme for an on-die voltage differentiator design |
Jan. 31, 2006 |
| 6989613 |
Line voltage variation compensation apparatus |
Jan. 24, 2006 |
| 6963183 |
Control circuit for a direct current motor |
Nov. 8, 2005 |
| 6961856 |
Personal computer protection device |
Nov. 1, 2005 |
| 6950779 |
Apparatus and method for detecting incorrect connector insertion, and program for carrying out the method |
Sep. 27, 2005 |
| 6941233 |
Arrangements to detect and respond to disturbances in electrical power systems |
Sep. 6, 2005 |
| 6934561 |
Cable or module identification apparatus and method |
Aug. 23, 2005 |
| 6930409 |
Electromechanical switching device |
Aug. 16, 2005 |
| 6921989 |
Electrical switchgear with synchronous control system and actuator |
Jul. 26, 2005 |
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