Quotables
"The production of too many useful things results in too many useless people."
Karl Marx
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8054661 | AC adapter and the control method thereof An AC adapter including an AC-side plug module and a DC-side connector module coupled to each other is provided. A first voltage-reducing element and a relay are electrically coupled to an AC power supply. An AC-to-DC converter is electrically coupled to the relay. ... | 11/08/2011 |
| 8018750 | Power circuit with passthrough A power circuit device has a housing. A connection electrically couples AC power to an interior portion of the housing. A female electrical socket is coupled to the housing and is electrically coupled to and receives AC power from the connection. An AC to DC convert... | 09/13/2011 |
| 7983064 | Power adapter A power adapter includes an insulation casing. A plug module has at least one plug pin which defines a plug end protruding out of the insulation casing and an inserting end opposite to the plug end received in the insulation casing. The insulation casing receives a ... | 07/19/2011 |
| 7978489 | Integrated power converters A power supply adapter is provided. The power supply adapter includes a power converter circuit configured to generate a regulated voltage signal. The power converter circuit includes a rectifier coupled with AC power blades. A regulator circuit is coupled with the ... | 07/12/2011 |
| 7911817 | Systems and methods for controlling energy consumption of AC-DC adapters An AC-DC adapter is provided with an auto-sensing capability to sense when no DC load is present at the output (secondary side) of the adapter by monitoring for absence of load-indicative signals, such as power supply identifier (PSID) signals communicated to the ad... | 03/22/2011 |
| 7787274 | Power supply with adjustable outputted voltage A power supply with adjustable outputted voltage includes a casing, a circuit board, a voltage-adjusting knob and a rotary wheel. The casing is provided thereon with a window, and the circuit board is disposed in the casing. The circuit board is electrically connect... | 08/31/2010 |
| 7782642 | Power brick with passthrough A power brick device has a power brick housing. A male electrical plug electrically couples AC power to an interior portion of the power brick housing. A female electrical socket is coupled to the power brick housing and is electrically coupled to and receives AC po... | 08/24/2010 |
| 7751216 | Voltage transformer with mechanically actuated voltage-selected switches A voltage transformer with mechanically actuated voltage-selected switch provides an input voltage pass through a voltage transformation unit, wherein the unit is disposed in the casing and its both ends are electrically connected to the input port and output port r... | 07/06/2010 |
| 7724557 | Electrical wiring device with a center nightlight having automatic and manual control features The present invention is directed to a electrical wiring device that includes a housing having a plurality of line terminals. A cover assembly is coupled to the housing, the cover assembly including at least one set of receptacle openings disposed on either side of ... | 05/25/2010 |
| 7719867 | Voltage transformer with sequentially switchable voltage selection circuit A voltage transformer with a sequentially switchable voltage selection circuit is provided for converting input electrical energy through the sequentially switchable voltage selection circuit, which is arranged within the transformer body with its two ends electrica... | 05/18/2010 |
| 7706164 | Inverter device An inverter device, which has two operation modes including a grid-connected operation mode where the inverter device is interconnected with a commercial power system, and an isolated operation mode where the inverter device is independent of a commercial power syst... | 04/27/2010 |
| 7554828 | Power converter with retractable cable system A modular power converter including a first housing enclosing a converter circuit, and a selectively detachable second housing enclosing a retractable power cable. In a first orientation the detachable second housing is secured to the first housing to form a unitary... | 06/30/2009 |
| 7515448 | AC adapter which can be reduced in size and lowered in profile In an AC adapter provided with a circuit board having first and second surfaces opposite to each other in a thickness direction, a transformer portion is mounted on the circuit board. A secondary capacitor is connected to an output side of the transformer portion. T... | 04/07/2009 |
| 7499301 | Plugtype power supply unit A plugtype power supply unit includes an enclosure, a plug portion secured thereto, and a low-voltage cord extending from said enclosure. Each cross-sectional configuration of said enclosure with said plug portion corresponds to and does not exceed the cross-section... | 03/03/2009 |
| 7443704 | AC high voltage detecting device An AC high voltage detecting device includes a high voltage power supply (HVPS) to convert a low voltage into an AC high voltage, a rectifier to rectify the converted AC high voltage into a positive voltage and a negative voltage, a voltage divider to divide the rec... | 10/28/2008 |
| 7436661 | Two-compartment AC adaptor An external AC power adaptor having an additional compartment for cooling. The adaptor has a housing that defines a first compartment having power circuitry for converting an AC input to a DC output and a second compartment that has an opening formed in the adaptor ... | 10/14/2008 |
| 7426126 | Charge apparatus of an extension cord plug A charge apparatus of an extension cord plug is provided. The charge apparatus is set inside an outlet and connected to an USB interface outside the outlet. When the outlet is electrified, the plug thereon is able to provide power to an electric appliance for normal... | 09/16/2008 |
| 7400119 | Modular high voltage power supply for chemical analysis A high voltage power supply for use in a system such as a microfluidics system, uses a DC-DC converter in parallel with a voltage-controlled resistor. A feedback circuit provides a control signal for the DC-DC converter and voltage-controlled resistor so as to regul... | 07/15/2008 |
| 7382624 | Power supply including multiple AC receptacles A power supply comprises a chassis, a plurality of alternating current (AC) power receptacles formed into the chassis, and power supply circuit contained within the chassis and selectively coupled to ones of the plurality of AC power receptacles. ... | 06/03/2008 |
| 7370446 | Adapter for attachment to an ironing board An adapter for attachment to an ironing board includes a housing that can be affixed to a rest plate for an iron. A means is provided on the housing for affixing a socket for the electrical plug of an iron. ... | 05/13/2008 |
| 7368834 | Electronic protection devices for automatic circuit-breakers Described herein is an electronic protection device for automatic circuit-breakers comprising: a control unit; a warning interface; a supply system comprising a main supply system and a first back-up supply system; an interface for connection between said supply sys... | 05/06/2008 |
| 7363522 | Apparatus and methods for information handling system with power supply device with variable output power An information handling system includes a power source configured to provide a plurality of power levels to a load. At least one of the plurality of power levels corresponds to a level obtained by de-rating a capacity of the power source from a nominal design specif... | 04/22/2008 |
| 7354286 | Adapter for connectors An adapter for connectors to couple connectors and power supply sockets of different specifications to establish electric connection between them includes two terminal sets that are insertable into the power supply sockets. The two terminal sets are pivotally couple... | 04/08/2008 |
| 7338328 | Cigarette lighter adapter device that interfaces with an external device via a port interface A CLA device comprises a CLA plug that is insertable into an external CLA socket, for example, a DC CLA socket inside a vehicle. The CLA device has a housing coupled to the CLA plug, for example, by integration or via a tethered wire, with the housing having a suppo... | 03/04/2008 |
| 7320601 | Power storage structure A power storage structure comprises a mother element having a rechargeable battery mounted on the inside and at least a socket, a power plug, and a coupling part on the outside. The coupling part is for coupling with a daughter element. The daughter element is a tra... | 01/22/2008 |
| 7321735 | Optical down-converter using universal frequency translation technology A method and system for converting an optical signal to electrical information signals, including demodulated baseband information signals and modulated baseband signals at multiple harmonics. In an embodiment, the optical information signal is amplitude modulated w... | 01/22/2008 |
| 7314377 | Electrical power connector A pair of mating connectors includes a receptacle having an insulative housing and at least one conductive receptacle contact with a pair of spaced walls forming a plug contact receiving space. The plug connector has an insulative housing and at least one conductive... | 01/01/2008 |
| 7310038 | Electromechanical device for selecting coil voltage and locking the coil in place A system for selecting coil voltage in an electrical device comprises a housing and a coil in the housing having a plurality of windings. Each winding has a pair of pins. A slider supports a plurality of moveable contacts and is moveably mounted in the housing proxi... | 12/18/2007 |
| 7309242 | Power connector A pair of mating connectors includes a receptacle having an insulative housing and at least one conductive receptacle contact with a pair of spaced walls forming a plug contact receiving space. The plug connector has an insulative housing and at least one conductive... | 12/18/2007 |
| 7303416 | Compound conversion plug structure with adjustable angle and adapter A compound conversion plug structure with an adjustable angle includes an adapter and a plug component. The adapter includes an outer shell, a moving block, a plurality of transfer pieces, a plurality of metal inserting pieces, and a plurality of engaging pieces. Th... | 12/04/2007 |
| 7301755 | Architecture for power modules such as power inverters Power converters such as power modules configured as inverters employ modularized approaches. In some aspects, semiconductor devices are thermally coupled directly to thermally conductive substrates without intervening dielectric or insulative structures. Additional... | 11/27/2007 |
| 7295826 | Integrated frequency translation and selectivity with gain control functionality, and applications thereof Methods and apparatuses for frequency selectivity and frequency translation, and applications for such methods and apparatuses, are described herein. The method includes steps of filtering an input signal, and down-converting the filtered input signal. The filtering... | 11/13/2007 |
| 7292835 | Wireless and wired cable modem applications of universal frequency translation technology Frequency translation and applications of same are described herein, including cable modem applications. Such applications include, but are not limited to, frequency down-conversion, frequency up-conversion, enhanced signal reception, unified down-conversion and fil... | 11/06/2007 |
| 7289343 | Architecture for power modules such as power inverters Power converters such as power modules configured as inverters employ modularized approaches. In some aspects, semiconductor devices are thermally coupled directly to thermally conductive substrates without intervening dielectric or insulative structures. Additional... | 10/30/2007 |
| 7287648 | Battery holder and dispenser A battery holding and dispensing device holds a plurality of batteries, in an assortment of battery sizes. The battery holding and dispensing device includes a frame having a plurality of compartments sized and shaped to each receive a battery of a particular batter... | 10/30/2007 |
| 7286036 | Method for selecting coil voltage and locking the coil in place A system for selecting coil voltage in an electrical device comprises a housing and a coil in the housing having a plurality of windings. Each winding has a pair of pins. A slider supports a plurality of moveable contacts and is moveably mounted in the housing proxi... | 10/23/2007 |
| 7275967 | Portable power supply system and connectors therefor A system and components for interconnecting low power-to-power consuming electrical systems, such as emergency communications equipment, is disclosed. The system includes polarized, genderless, and color-coded connections for cabling, power splitting to sub cables, ... | 10/02/2007 |
| 7277000 | Inductor and transformer In an inductor having a core and first and second coils wound upon the core, the wire of the first coil and the wire of the second coil lie are wound so as to lie parallel to each other and contact the core. The winding starting position of the first coil is made to... | 10/02/2007 |
| 7271692 | Slider for selecting coil voltage and locking the coil in place A system for selecting coil voltage in an electrical device comprises a housing and a coil in the housing having a plurality of windings. Each winding has a pair of pins. A slider supports a plurality of moveable contacts and is moveably mounted in the housing proxi... | 09/18/2007 |
| 7272008 | Portable power inverter with pass through device A portable power inverter having a pass through device to facilitate connection and operation of both A.C. and D.C. power consuming devices to a single outlet of a single D.C. power source. Inverter circuitry is electrically coupled to the external D.C. power source... | 09/18/2007 |
