1
Rajesh Krishnan: Method and apparatus for wireless powering and recharging. GTE Internetworking Incorporated, Leonard Charles Suchyta, Floyd E Anderson, October 3, 2000: US06127799 (445 worldwide citation)

An arrangement is provided for charging a charge storage device by placing the charge storage device in an RF or microwave radiation field. One or more antennas which receive the radiated RF electromagnetic field are placed on the charge storage device. Rectifiers connected to the antennas rectify t ...


2
Hanawa Hiroyuki, Ogura Masayuki, Funabashi Kazuhiko, Aradate Takahisa: Cordless power tool. Hitachi Koki, October 19, 2006: JP2006-281405 (344 worldwide citation)

PROBLEM TO BE SOLVED: To provide a cordless power tool taking a lithium cell as a power source, putting the FET in the off state when the voltage of the lithium cell reaches a first predetermined value or less, and safely again rotating a motor when the cell voltage reaches a second predetermined va ...


3
Pellenc Roger: Lithium-ion/polymer lithium battery cell charging method, involves permanently monitoring charge levels of cells, and performing uniform supply for cells or balancing of charge levels during charging operation. Pellenc, May 27, 2005: FR2862813-A1 (299 worldwide citation)

The method involves permanently monitoring charge levels of different cells (1) of a lithium-ion or polymer lithium battery (2). A uniform supply for all the cells (1), or balancing of the charge levels of the cells are performed during charging operation, based on previous evaluation of the charge ...


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David A Saar, Richard T Walter: Method of charging batteries and apparatus therefor. Black & Decker, R B Sherer, Harold Weinstein, E D Murphy, July 5, 1983: US04392101 (256 worldwide citation)

A method of fast charging batteries by means of precise analysis of the profile of the variation with time of a characteristic of the battery which is indicative of the variation in stored chemical energy as the battery is charged. The method specifically comprises analyzing the profile for the occu ...


6
Paris H Wiley, Antonios G Sideris, Elias K Stefanakos, Michael Priven: On-line battery management and monitoring system and method. AIMS Systems, Joseph G Seeber, February 29, 2000: US06031354 (240 worldwide citation)

An on-line battery management and monitoring system and method for monitoring a plurality of battery cells identifies and computes individual cell and battery bank operating parameters. The system comprises a central monitoring station to which a plurality of controllers is connected, each controlle ...


7
Ronald R Reinhart, Frederick M Jenkins, James M Raver, Thong L Nguyen, Martin A Schaefer: Method for utilizing temperature to determine a battery state. Linvatec Corporation, Howrey, March 25, 2008: US07348763 (236 worldwide citation)

A method for determining the state of a battery, or battery pack, that is independent of the type of battery technology under test. The method employs one or more charging and discharging cycles, and measures one or more parameters of battery voltage, temperature, charging time, and charging cycle c ...


8
Noriyuki Matsuda: USB cable and method for charging battery of external apparatus by using USB cable. Sourcenext Corporation, Wenderoth Lind & Ponack L, April 3, 2001: US06211649 (213 worldwide citation)

A USB cable according to the present invention has a USB connector connected with a USB port of a PC (Personal Computer), a phone connector connected with a connector of an external connector such as a mobile phone, a control unit, which is situated between the USB connector and the phone connector, ...


9
Takano Nobuhiro, Harada Shuichi: Battery pack. Hitachi Koki, June 6, 2003: JP2003-164066 (208 worldwide citation)

PROBLEM TO BE SOLVED: To provide a battery pack which notifies a user of the final discharging of a secondary battery, prevent over-discharging of a battery set, and improve cycle life characteristics of the batteries.SOLUTION: A microcomputer 60 disconnects a battery set 10 and a power tool 200 if ...


10
Masataka Goto: Noncontacting charging device. Scully Scott Murphy & Presser, February 4, 1997: US05600225 (207 worldwide citation)

A non-contacting charging device is disclosed which performs charging in which electric power of a charger 1 is supplied without direct contact to a storage battery 210, and which includes in the charger 1 a primary coil 103 and circuits 104, 105 for supplying AC power to the primary coil, and also ...