About 29 results
https://drivepatents.com/patents/971079 · 20 Aug 2014
A battery charging system comprises a battery charger, a first battery 14a, a second battery 14b connected in series with the first battery, and first and second voltage regulation circuits 16a, 16b. The battery charger provides a charging output to the se...
https://drivepatents.com/patents/971288 · 13 Aug 2014
A method and system to charge efficiently and safely batteries that power an electronic device and are comprised in an electronic device. The method and system performs measurement of electrical currents flowing in different branches of an electrical circu...
https://drivepatents.com/patents/977963 · 26 Feb 2014
A charger (10) of the present invention may include a plurality of battery connection parts (12) to which battery packs (60) can be connected to charge, with each battery connection part (12) having an indicator (21, 22, 23, 24). The indicators (21, 22, 23...
https://drivepatents.com/patents/987144 · 21 Aug 2013
A charging device, for charging a rechargeable device, which comprises a power converter stage, adapted to convert power from a power source to charge the rechargeable device when the rechargeable device is connected to the charging device, and an energy b...
https://drivepatents.com/patents/985006 · 24 Apr 2013
A power management system (1) capable of outputting AC voltages includes a plurality of power units (11A-11C), at least a first diode (D1), a first polarity switch unit (13) and a control unit (12). The power units (11A-11C) are electrically connected to f...
https://drivepatents.com/patents/985272 · 27 Mar 2013
The device has a set of stacks (1, 2) i.e. lithium stacks, that is connected between exit terminals (4, 5). An electronic logic (6) such as microcontroller, is connected to a set of switches (11-13) i.e. MOSFETs, for selectively controlling open state or c...
https://drivepatents.com/patents/1000092 · 25 Jul 2012
To provide a secondary battery pack system that controls battery packs which are connected in parallel without requiring a complex system configuration, a secondary battery pack system of the present invention that supplies power to an electronic device in...
https://drivepatents.com/patents/1000861 · 27 Jun 2012
A discharge control apparatus includes: two or more battery packs equipped with a secondary battery; and a main control unit controlling discharge from the battery packs, in which the two or more battery packs are controlled such that at least one of the b...
https://drivepatents.com/patents/1002164 · 23 May 2012
An energy-efficient and compact battery charger. The battery charger includes, among other things, a charging port, a power supply module, a battery charger control module or controller, a power control safety module, a battery charger switch, and an indic...
https://drivepatents.com/patents/1002523 · 9 May 2012
What is provided is a telecommunication system including: a master unit (MU); a plurality of sub units (SU); and a timer, wherein the plurality of sub units (SU) transmit to the master unit (MU), an operation result of a predetermined operation; a transmis...