About 40 results
https://drivepatents.com/patents/1008951 · 5 Oct 2011
An electric household appliance (1) having an electronic control unit (5) powered by a low-voltage power unit (6); and a device (7) for reducing energy consumption of the electric household appliance in standby mode, and which includes : a bistable relay (...
https://drivepatents.com/patents/1009639 · 7 Sep 2011
The supply system includes at least two DC power supply devices (14-1,14-2) each with electrical connection to alternating current (AC) source (16-1,16-2) and AC/DC converter, management module (18) and back up electrical energy storage device (24). The ba...
https://drivepatents.com/patents/1011056 · 13 Jul 2011
Provided are an apparatus and method thereof for providing standby power to a visual display, the apparatus including: a light collection unit which is operable to receive light and output a charging current; a battery which is operable to receive the char...
https://drivepatents.com/patents/1016382 · 19 Jan 2011
An electronic device (100) including; a connecting unit connected to a connection line supplying an electric power of a predetermined rating and transmitting and receiving an information; a charging unit (111) conducting a charging of a charging battery co...
https://drivepatents.com/patents/1067940 · 26 Apr 2006
An apparatus for supplying power to a controller has a main power switch provided on a power supply path of a main power to a controller, a sub power switch provided on a power supply path of a sub power to the controller, and a power supply controller tha...
https://drivepatents.com/patents/1081722 · 8 Dec 2004
The present invention comprises a combination of a new circuit topology utilizing microcontroller (202) and a modified logic control circuit which enables the replacement of a Schottky diode, commonly used in series with AC adapter, by a MOS transistor swi...
https://drivepatents.com/patents/1084402 · 1 Sep 2004
An electronic apparatus (1) is equipped with a fuel cell (22) capable of generating power by chemical reaction and a chargeable/dischargeable secondary battery (23). The electronic apparatus (1) determines whether a capacity of the secondary battery (23) i...
https://drivepatents.com/patents/1085894 · 30 Jun 2004
An electronic apparatus system of this invention includes an electronic apparatus (1), and a fuel cell unit (2) which is detachable from the electronic apparatus (1). The fuel cell unit (2) incorporates a DMFC that can produce electricity by chemical react...
https://drivepatents.com/patents/1086810 · 2 Jun 2004
An electronic device (41) receives information associated with power supply control transmitted from a server and controls (42, 43) a selection of power sources from among an AC power source and a secondary power supply such as a battery on the basis of th...
https://drivepatents.com/patents/1106881 · 30 Jan 2002
A data logging system includes a data logging unit, a primary power source, an auxiliary power source and a controller. The controller detects whether the primary power source is available or unavailable and the time at which it became available or unavail...