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Class Information
Number: 320/158
Name: Electricity: battery or capacitor charging or discharging > Battery or cell charging > Time control > Detection of current or voltage amplitude > Having solid-state control device
Description: Subject matter wherein the means to regulate charging includes a semiconductor control element.


Sub-classes under this class:

Class Number Class Name Patents
320/159 Detection of current and voltage amplitude 42


Patents under this class:
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Patent Number Title Of Patent Date Issued
7538519 Information handling system with battery protected from non-permanent failures May. 26, 2009
7525289 System and method for automatically synchronizing and acquiring content for battery-powered devices Apr. 28, 2009
7525290 Charge control device for executing a plurality of charge stages Apr. 28, 2009
7456610 Battery charging apparatus for charging a plurality of batteries Nov. 25, 2008
7449865 Battery charger for preventing both overshoot charging currents and overcharged battery voltage during mode transitions and method thereof Nov. 11, 2008
7408326 Battery pack system interface with multiple mode control states Aug. 5, 2008
7394225 Pseudo constant current multiple cell battery charger configured with a parallel topology Jul. 1, 2008
7345455 Staggered backup battery charging system Mar. 18, 2008
7180269 Battery charging method Feb. 20, 2007
7091697 System and method for efficiently implementing a battery controller for an electronic device Aug. 15, 2006
6366051 System for automatically charging the battery of a remote transmitter for use in a vehicle security system Apr. 2, 2002
6344733 Portable jump-starting battery pack with charge monitoring system Feb. 5, 2002
6291968 System for automatically charging the battery of a remote transmitter for use in a vehicle security system Sep. 18, 2001
6091230 Voltage recovery method for a zinc-air battery Jul. 18, 2000
5883497 Battery fuel gauge Mar. 16, 1999
5847546 System and apparatus for generating a continuosly variable reference signal for controlling battery cell charging Dec. 8, 1998
5831416 Apparatus and method for charging batteries Nov. 3, 1998
5783930 Self-oscillating buck mode battery charger Jul. 21, 1998
5739673 Control device for the charging of at least one battery Apr. 14, 1998
5694022 Variable pulse recharging battery pack Dec. 2, 1997
5686815 Method and apparatus for controlling the charging of a rechargeable battery to ensure that full charge is achieved without damaging the battery Nov. 11, 1997
5677614 Battery charger using a car battery as a power source Oct. 14, 1997
5663629 Battery charger which detects the battery charging status Sep. 2, 1997
5644210 Charging control method and circuit of recharging battery Jul. 1, 1997
5623193 Apparatus for controlling battery discharge Apr. 22, 1997
5617009 Rechargeable battery charging circuit which sets supplemental charging capacity according to ambient temperature Apr. 1, 1997
5467007 Charging apparatus Nov. 14, 1995
5350995 Battery charger for charging both a frequently and infrequently used battery Sep. 27, 1994
5331268 Method and apparatus for dynamically charging a battery Jul. 19, 1994
5319298 Battery maintainer and charger apparatus Jun. 7, 1994
5311113 Method of setting peak-timer of electric charger May. 10, 1994
5307001 Battery charging method and apparatus Apr. 26, 1994
5302887 Charging apparatus Apr. 12, 1994
5296797 Pulse modulated battery charging system Mar. 22, 1994
5291117 Method and an apparatus for charging a battery Mar. 1, 1994
5237259 Charging method for secondary battery Aug. 17, 1993
5218286 Multichannel battery charger Jun. 8, 1993
5202617 Charging station for electric vehicles Apr. 13, 1993
5196780 Ni-Cad battery charger circuit Mar. 23, 1993
5184059 Expanded battery capacity identification scheme and apparatus Feb. 2, 1993
5172045 Battery charger for mobile apparatus Dec. 15, 1992
5150033 Flat plate sealed lead-acid battery charging system and method Sep. 22, 1992
5013992 Microprocessor controlled battery charger May. 7, 1991
4779035 End of charge detector Oct. 18, 1988
4716353 Battery charger Dec. 29, 1987
4710694 Microprocessor controlled battery charger Dec. 1, 1987
4647834 Battery charger Mar. 3, 1987
4639655 Method and apparatus for battery charging Jan. 27, 1987
4609861 Circuit arrangement for rapidly charging a battery Sep. 2, 1986
4609860 Battery charger having automatic deep discharge mode Sep. 2, 1986

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