About 25 results
https://drivepatents.com/patents/970316 · 10 Sep 2014
An apparatus for wirelessly charging an electronic device (208) is disclosed. It comprises a charging controller (210) coupled to a power source (201), a power switch (221) coupled to the power source (201), a logic controller (222) coupled to the switch (...
https://drivepatents.com/patents/975177 · 7 May 2014
Method and apparatus for a receiving device to wirelessly receive electric power from a transmitting device. A power capacity is configured at the receiving device, based on a default power capacity known by both the receiving device and the transmitting d...
https://drivepatents.com/patents/980121 · 1 Jan 2014
Method, system, and programs for regulating battery operation. A signal indicative of an atmospheric pressure outside a battery is first obtained. Based on the obtained signal, one or more parameters to be used for controlling an operation of the battery a...
https://drivepatents.com/patents/989772 · 12 Jun 2013
A power management system (20) adjusts a first output voltage (201) delivered to a load (19) and adjusts a second output voltage (202) delivered to a battery (18). The power management system includes an error amplifier (223) for comparing the first output...
https://drivepatents.com/patents/992582 · 27 Feb 2013
The present application provides systems and methods for battery temperature detection and parasitic resistance compensation. Compensation circuitry is provided to generate a compensation current, proportional to a battery charging or discharging current, ...
https://drivepatents.com/patents/993781 · 16 Jan 2013
A system may include multiple chips and a host processor. The host processor can be coupled to the multiple chips and send an enumerate command. The multiple chips can propagate an enumerate packet including the enumerate command from chip-to-chip, and eac...
https://drivepatents.com/patents/993783 · 16 Jan 2013
A flexible dual mode battery charger that charges a battery in two different modes, depending on the difference between the adapter voltage and the battery voltage, with a smooth transition between these two modes and the charging current remains relativel...
https://drivepatents.com/patents/993768 · 16 Jan 2013
A battery management chip may include a battery management unit and a vertical bus circuit. The battery management unit can monitor a cell status of multiple cells in a battery module coupled to the battery management chip in response to an instruction fro...
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/999828 · 1 Aug 2012
A database for a set of orientation-matched road (OMR) sections is searched according to a calculated orientation of an object and orientations of road sections stored in the database. The OMR sections are searched for a position-matched road (PMR) set acc...