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Class Information
Number: 307/126
Name: Electrical transmission or interconnection systems > Switching systems > Condition responsive > Electrical > Power or energy
Description: Subject matter in which the system is automatically responsive to power or energy.
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 |
| 7602083 |
Apparatus and method for powering load center circuits with an auxiliary power source |
Oct. 13, 2009 |
| 7602084 |
Power switching circuit |
Oct. 13, 2009 |
| 7550877 |
Electronic apparatus and power supply controlling method |
Jun. 23, 2009 |
| 7550874 |
System and method for a power supply device |
Jun. 23, 2009 |
| 7545057 |
Relay circuitry and switching circuitry for power-over-network devices |
Jun. 9, 2009 |
| 7531921 |
Compact non-contact multi-function electrical switch |
May. 12, 2009 |
| 7521825 |
Interface switch for distributed energy resources |
Apr. 21, 2009 |
| 7504748 |
Relay switch including an energy detection circuit |
Mar. 17, 2009 |
| 7432613 |
Self-protective high-current low-loss bi-directional semiconductor switch module and method of operation |
Oct. 7, 2008 |
| 7391134 |
Electrical safety lockout mechanism for power tools and other hazardous machinery |
Jun. 24, 2008 |
| 7342329 |
Power supply for electrical domestic appliances and domestic appliances for co-action with such a power supply |
Mar. 11, 2008 |
| 7327053 |
Electronic power circuit |
Feb. 5, 2008 |
| 7319282 |
Switch circuit |
Jan. 15, 2008 |
| 7313489 |
System and method utilizing virtual switching for electrical panel metering |
Dec. 25, 2007 |
| 7288853 |
Power control center with solid state device for controlling power transmission |
Oct. 30, 2007 |
| 7268446 |
Power control center with solid state device for controlling power transmission |
Sep. 11, 2007 |
| 7268447 |
Power control center with solid state device for controlling power transmission |
Sep. 11, 2007 |
| 7235751 |
Electric device, a current limiter and an electric power network |
Jun. 26, 2007 |
| 7233085 |
Protection circuit for a power supply unit, and power supply unit with a respective protection circuit |
Jun. 19, 2007 |
| 7230354 |
Driver system for MOSFET based, high voltage, electronic relays for AC power switching and inductive loads |
Jun. 12, 2007 |
| 7197650 |
Charging and monitoring apparatus and method of charging a battery and monitoring the power level through power supply line |
Mar. 27, 2007 |
| 7183670 |
Power supply for electronic switch |
Feb. 27, 2007 |
| 7183672 |
MOSFET based, high voltage, electronic relays for AC power switching and inductive loads |
Feb. 27, 2007 |
| 7155350 |
System and method utilizing virtual switching for electrical panel metering |
Dec. 26, 2006 |
| 7126647 |
Power supply device of video display apparatus and method thereof |
Oct. 24, 2006 |
| 7116061 |
Brightness controllable flashlights |
Oct. 3, 2006 |
| 7110865 |
Method for power adaptation in an electricity network |
Sep. 19, 2006 |
| 7102254 |
Integrated circuit and battery powered electronic device |
Sep. 5, 2006 |
| 7102253 |
MOSFET based, high voltage, electronic relays for AC power switching and inductive loads |
Sep. 5, 2006 |
| 7082372 |
System and method for detecting a device requiring power |
Jul. 25, 2006 |
| 7075195 |
Electrical safety lockout mechanism for power tools and other hazardous machinery |
Jul. 11, 2006 |
| 7057310 |
Dual-output voltage regulator |
Jun. 6, 2006 |
| 7057311 |
Isolation contactor assembly having independently controllable contactors |
Jun. 6, 2006 |
| 7054779 |
System and method for detecting a device requiring power |
May. 30, 2006 |
| 7053506 |
Power converter control for automatic maximum power point tracking |
May. 30, 2006 |
| 7030514 |
Power transfer switch assembly |
Apr. 18, 2006 |
| 7019418 |
Power control circuit with reduced power consumption |
Mar. 28, 2006 |
| 6992405 |
Dynamic voltage scaling scheme for an on-die voltage differentiator design |
Jan. 31, 2006 |
| 6975947 |
Power saving apparatus in an appliance |
Dec. 13, 2005 |
| 6895187 |
Branching unit and system for underwater optical communication |
May. 17, 2005 |
| 6891707 |
Semiconductor protection circuit |
May. 10, 2005 |
| 6888268 |
Energy storage device |
May. 3, 2005 |
| 6873062 |
Switch circuit |
Mar. 29, 2005 |
| 6800964 |
Plural configurable DC sources to provide optimal power to plural configurable inverters |
Oct. 5, 2004 |
| 6785827 |
System for determining servers power supply requirement by sampling power usage values thereof at a rate based upon the criticality of its availability |
Aug. 31, 2004 |
| 6753761 |
Power transfer apparatus for concurrently transmitting data and power over data wires |
Jun. 22, 2004 |
| 6751561 |
Power saving method and apparatus for a portable appliance |
Jun. 15, 2004 |
| 6727604 |
Switching apparatus and method for a segment of an electric power line |
Apr. 27, 2004 |
| 6653745 |
Power source apparatus for a car |
Nov. 25, 2003 |
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