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Browse by Category: Main > Electrical & Energy
Class Information
Number: 307/140
Name: Electrical transmission or interconnection systems > Switching systems > Switch actuation > Power circuit controlled
Description: Subject matter having means to control a power circuit.










Patents under this class:
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Patent Number Title Of Patent Date Issued
7211972 Power tool with remote stop May. 1, 2007
7183672 MOSFET based, high voltage, electronic relays for AC power switching and inductive loads Feb. 27, 2007
7173350 Load drive control apparatus having minimized power consumption when functioning in waiting status Feb. 6, 2007
7166935 Circuit breaker system Jan. 23, 2007
7148741 Current supply circuit and method for supplying current to a load Dec. 12, 2006
7138731 Switching converter having a controllable load element Nov. 21, 2006
7126647 Power supply device of video display apparatus and method thereof Oct. 24, 2006
7119459 Intelligent switch for connecting power to a load Oct. 10, 2006
7105953 Power sharing system and method for battery operated controller and application modules Sep. 12, 2006
7102255 Soft power-up for an external power adapter Sep. 5, 2006
7091670 Safety interlock apparatus and method Aug. 15, 2006
7088017 Power supply control device for an image forming apparatus Aug. 8, 2006
7084531 Intelligent electrical devices Aug. 1, 2006
7075195 Electrical safety lockout mechanism for power tools and other hazardous machinery Jul. 11, 2006
7049765 Transformer for dimmer switch or on/off switch and method of use May. 23, 2006
7026729 Exhaust fan timeout system Apr. 11, 2006
7026728 System for supplying electrical power to a load by a transmission path which has been split into two parts Apr. 11, 2006
7019419 Protecting a motherboard from damage due to installation of a higher voltage card Mar. 28, 2006
7005762 Electronic control systems and methods Feb. 28, 2006
6992405 Dynamic voltage scaling scheme for an on-die voltage differentiator design Jan. 31, 2006
6987334 Power-switching mechanism for electronic device Jan. 17, 2006
6984944 Controlling device for use with exterior landscape lighting assemblies Jan. 10, 2006
6982500 Power-down scheme for an on-die voltage differentiator design Jan. 3, 2006
6963183 Control circuit for a direct current motor Nov. 8, 2005
6933686 Programmable AC power switch Aug. 23, 2005
6930410 Mobile receptacle, power feeding gate device, server device and power usage management system for efficiently delivering electric power Aug. 16, 2005
6919652 Network apparatus Jul. 19, 2005
6906433 Method and apparatus for regulating the efficiency of a power supply in a computer system Jun. 14, 2005
6891284 Electronic timer with photosensor May. 10, 2005
6883103 Data carrier for the adaptation of a consumption time interval to the power consumption of the data carrier Apr. 19, 2005
6879062 Electrical substation Apr. 12, 2005
6876104 High-speed switching circuit and automotive accessory controller using same Apr. 5, 2005
6862196 Integrated switch with RF transformer control Mar. 1, 2005
6853152 Electric power supply safety interlock system Feb. 8, 2005
6853098 Communications interface and floating devices including such an interface Feb. 8, 2005
6819014 Two-wire power switch with line-powered switch controlling means Nov. 16, 2004
6791209 Power and control for power supply fans Sep. 14, 2004
6787936 Semiconductor integrated circuit Sep. 7, 2004
6781258 Cooling device of electronic apparatus Aug. 24, 2004
6777828 Management apparatus Aug. 17, 2004
6772357 Computer system testing by simulating a power supply enable if power supply good indicator is negative Aug. 3, 2004
6731022 Digital battery May. 4, 2004
6717292 Method and structure for measurement of a multiple-power-source device during a test mode Apr. 6, 2004
6704825 Hot swap system Mar. 9, 2004
6696771 Power switch for external module adapted to interface with a portable information handling system Feb. 24, 2004
6677688 Scalable N.times.M, RF switching matrix architecture Jan. 13, 2004
6670727 Timed switch Dec. 30, 2003
6661123 Power control circuit with power-off time delay control for microprocessor-based system Dec. 9, 2003
6653752 Switch device of theft-prevented type alarm Nov. 25, 2003
6653745 Power source apparatus for a car Nov. 25, 2003

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