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Class Information
Number: 320/134
Name: Electricity: battery or capacitor charging or discharging > Battery or cell discharging > With charging > With battery or cell condition monitoring (e.g., for protection from overcharging, heating, etc.)
Description: Subject matter wherein a physical characteristic (e.g., state of charge, temperature, etc.) of a battery or cell is determined during charging or discharging thereof.

Patents under this class:
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Patent Number Title Of Patent Date Issued
7719230 Kit of power tools May. 18, 2010
7714543 Input/output power control apparatus and method for secondary battery May. 11, 2010
7714542 Compact safety device for a pouch-type secondary battery unit having many individual batteries May. 11, 2010
7714541 Systems and methods for intelligent charging and intelligent conditioning of a high voltage battery May. 11, 2010
7714540 Apparatus and method for detecting voltage of assembled battery May. 11, 2010
7711039 System and method for protecting low voltage transceiver May. 4, 2010
7710076 Back-gate voltage generator circuit, four-terminal back gate switching FET, and charge and discharge protection circuit using same May. 4, 2010
7710075 Apparatus and implementation of a battery in a non volatile memory subsystem May. 4, 2010
7710073 Secondary battery module, battery information management device, battery information management system, secondary battery reuse system, secondary battery recovery and sales system, secondary b May. 4, 2010
7710068 Electrical power supply system for motor vehicle May. 4, 2010
7705564 Method for determining state of charge of lead-acid batteries of various specific gravities Apr. 27, 2010
7701701 Computer system and control method thereof Apr. 20, 2010
7701177 Battery pre-charging circuit comprising normal voltage and low voltage pre-charging circuits Apr. 20, 2010
7701176 Protective circuits for secondary battery packs Apr. 20, 2010
7701174 Method and device for determining the charge that can be drawn from an energy accumulator Apr. 20, 2010
7696724 Method of measuring the battery level in a mobile telephone Apr. 13, 2010
7696717 Battery energy management system for measuring a minimum battery voltage Apr. 13, 2010
7694243 Avoiding device stressing Apr. 6, 2010
7692405 Single unit protection circuit module and battery pack using the same Apr. 6, 2010
7689841 USB circuit device for preventing reverse current from external device Mar. 30, 2010
7688075 Lithium sulfur rechargeable battery fuel gauge systems and methods Mar. 30, 2010
7688038 Battery charging apparatus Mar. 30, 2010
7688034 Device for powering electric or electronic devices operatively associated with a circuit breaker Mar. 30, 2010
7688033 Method for detecting state of secondary battery and device for detecting state of secondary battery Mar. 30, 2010
7688028 Cordless power system Mar. 30, 2010
7688022 Energy management system for a vehicle Mar. 30, 2010
7683578 Energy saving system Mar. 23, 2010
7679333 Delay time generation circuit, semiconductor device for protecting secondary batteries using delay time generation circuit, battery pack, and electronic device Mar. 16, 2010
7679332 Delay time control circuit in a battery protector to reduce delay time Mar. 16, 2010
7679331 Power control circuits Mar. 16, 2010
7679330 Protection circuit Mar. 16, 2010
7675292 Method of determining acid stratification in rechargeable batteries Mar. 9, 2010
7675270 System and method for reliable information handling system and battery communication Mar. 9, 2010
7675269 Circuit and method for battery charging and discharging protection Mar. 9, 2010
7675267 Control circuit of power supply and control method of the power supply Mar. 9, 2010
7675266 Battery pack Mar. 9, 2010
7672798 Apparatus and method for determining the temperature of a charging power source Mar. 2, 2010
7671566 Method for predicting remaining capacity of a battery Mar. 2, 2010
7671565 Battery pack and method for protecting batteries Mar. 2, 2010
7671560 Method and apparatus for handling deeply discharged batteries in a mobile station Mar. 2, 2010
7667437 Method and system for protection of a lithium-based multicell battery pack including a heat sink Feb. 23, 2010
7663345 Circuit and method for controlling DC-DC converter Feb. 16, 2010
7663344 Method for managing a pool of rechargeable batteries according to priority criteria determined based on a state of health of batteries Feb. 16, 2010
7663343 Controller for drive system Feb. 16, 2010
7659692 Rechargeable battery pack for a power tool having an interruptor for prevention of overcharging Feb. 9, 2010
7656623 Methods and apparatus for charging a battery in a peripheral device Feb. 2, 2010
7656133 Capacitor charger with a modulated current varying with an input voltage and method thereof Feb. 2, 2010
7656132 Battery charger apparatus with a digital charge reduction loop Feb. 2, 2010
7656127 Method and apparatus for using an external resistor for charging applications Feb. 2, 2010
7656126 Abnormality detection apparatus for secondary battery device Feb. 2, 2010

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