About 40 results
https://drivepatents.com/patents/990906 · 8 May 2013
A power management method with a portable electronic device (100) includes identifying, with a controller (202) of the portable electronic device, a power consumption event in the portable electronic device, the power consumption event having a power consu...
https://drivepatents.com/patents/992823 · 27 Feb 2013
In accordance with the teachings described herein, a method and apparatus for handling a charging state in a mobile device is provided. A universal serial bus (USB) interface may be used for connecting the mobile device to a USB host. A processing device m...
https://drivepatents.com/patents/995326 · 5 Dec 2012
The control circuit has power supply circuit (VS) that supplies power supply voltage with constant value so as to operate electronic system such as sensor and actuator. The power supply circuit is used to output primary value of supply voltage for electron...
https://drivepatents.com/patents/998356 · 12 Sep 2012
A power management system includes a first switch, a second switch, and a controller coupled to the first and second switches. The first switch has a first transfer terminal. The second switch has a second transfer terminal. The controller controls power c...
https://drivepatents.com/patents/998887 · 29 Aug 2012
An apparatus (530) and method for determining a power supply electrical current capacity. An operating circuit (564) is placed into an operating mode that causes the operating circuit (564) to have a determined electrical current consumption. A charging ci...
https://drivepatents.com/patents/999358 · 15 Aug 2012
Portable terminal equipment capable of operating for a long time is provided. Portable terminal equipment of the present invention includes: a plurality of circuits separated galvanically and a power supply switching switch which switches power supply to t...
https://drivepatents.com/patents/999943 · 1 Aug 2012
In accordance with the teachings described herein, a method and apparatus for handling a charging state in a mobile electronic device is provided. A universal serial bus (USB) interface may be used for connecting the mobile device to a USB host. A processi...
https://drivepatents.com/patents/1003514 · 11 Apr 2012
An apparatus for supplying a power voltage to a pixel unit of a display apparatus includes a first power supplying unit for applying the power voltage to the pixel unit during a normal mode, a second power supplying unit for applying the power voltage to t...
https://drivepatents.com/patents/1004763 · 29 Feb 2012
A Power Management circuit for a portable electronic device comprising an internal battery (200) to be charged either through a first interface or through a AC-DC conversion circuit. The circuit comprises a first buck/boost converter (210) having a Switche...
https://drivepatents.com/patents/1008434 · 19 Oct 2011
A portable electronic device including a battery, a direct current (DC) power source, a first device that consumes a first amount of power during operation, a second device that consumes a second amount of power during operation, the second amount of power...