Featured patents

Individual Cell Voltage Detection Circuit for Charge and Discharge Control in a Battery Pack
US 08841888 B2, Sept. 23, 2014, With detection of current or voltage amplitude, Guoxing Li / 02Micro, Inc. (Santa Clra, US)
A battery management system for a battery pack comprising:…

Time-Domain Multiplexing of Power and Data
US 08836287 B2, Sept. 16, 2014, With charging, Eric Smith et al. / Apple Inc. (Cupertino, US)
A power adapter comprising:…

Increasing Efficiency of Wireless Power Transfer
US 08816638 B2, Aug. 26, 2014, Charging station for electrically powered vehicle, Pieter Vorenkamp et al. / Broadcom Corporation (Irvine, US)
A method comprising:…

Electromechanical Lock and Its Operation Method Using Mechanical Power From Normal Operation for Setting Electromechanical Lock in a Mechanically Openable State
US 08866439 B2, Oct. 21, 2014, For handheld device, Hannu Jokinen et al. / iLOQ Oy (Oulu, FI)
An electromechanical lock, comprising:…

Battery Pack for Power Tool, and Power Tool
US 08742724 B2, June 3, 2014, With state-of-charge detection, Tomoo Muramatsu et al. / Makita Corporation (Anjo-Shi, JP)
A battery pack for power tool comprising:…

Power Management Circuit for Rechargeable Battery Stack
US 08736231 B2, May 27, 2014, With discharge of cells or batteries, Pantas Sutardja / Marvell World Trade Ltd. (St. Michael, BB)
A system comprising:…

Battery System and Method for Detecting Internal Short Circuit in Battery System
US 08643332 B2, Feb. 4, 2014, Serially Connected Batteries or Cells, Kazunobu Yokotani / Sanyo Electric Co., Ltd. (Osaka, JP)
A battery system, comprising:…

Secondary Battery System Including an Arrangement to Determine a Temporary Increase in Direct Current Resistance of the Secondary Battery
US 08581555 B2, Nov. 12, 2013, With battery or cell condition monitoring, Tsunenori Yamamoto et al. / Hitachi, Ltd. (Tokyo, JP)
The secondary battery system comprising:…

Battery Charger and Method
US 08569999 B2, Oct. 29, 2013, And temperature compensation, Yuksum Wong et al. / Convertec Ltd. IE
A method for compensating for temperature effects in a pulsed battery-charging…

Apparatus and Method for Extracting Maximum Power From Solar Cell by Changing the Duty Cycle of a Pulse Width Modulation Signal
US 08461798 B2, June 11, 2013, Wind, Solar, Thermal, or Fuel-Cell Source, Se Wan Heo et al. / Electronics and Telecommunications Research Institute (Daejeon, KR)
An apparatus for extracting a maximum power from a solar cell, the apparatus…

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