Electricity: battery or capacitor charging or discharging inventions 10/09

20090243536 - Method of fully charging an electrical energy storage device using a lower voltage fuel cell system: A fuel cell system that includes a fuel cell stack and an EESD electrically coupled to a common high voltage bus line. The EESD has a higher voltage output than the fuel cell stack, and thus the stack is unable to fully charge the EESD, for example, at system shut-down.... Agent: MillerIPGroup, PLC General Motors Corporation

20090243537 - Mobile charger receptacle configured with universal serial bus (usb), cigarette lighter adapter (cla) plug and control firmware: The present invention is A mobile charger receptacle configured with universal serial bus (USB), cigarette lighter adapter (CLA) plug and control firmware, comprises a housing, a cigarette lighter adapter plug disposed on the one side of the housing, and a USB plug allocated on the other side of the housing,... Agent: Rabin & Berdo, PC

20090243538 - System and method for battery preheating: Some embodiments include a system, that includes an electric motor coupled to propel an electrical vehicle, a battery coupled to power the motor, a preheating system coupled to preheat the battery, a battery temperature comparator to compare a temperature of the battery to a target preheated temperature and to provide... Agent: Schwegman, Lundberg & Woessner, P.A.

20090243539 - Random number generator in a battery pack: Apparatus, method and computer program product are provided for battery management. In one implementation, a method of communication provided. The method includes enabling determining when a battery pack is coupled to a device, the battery pack including a battery management system. The method also includes generating a random number at... Agent: Fish & Richardson P.C.

20090243540 - Methods and apparatus for battery charging management: A method for managing the charging of a battery array 100, including the steps of: charging the battery array with a constant current at maximum rating 101; monitoring the status of a plurality of partitions among the battery array for overheating conditions 102; reducing the charging current to turn off... Agent: Fulbright & Jaworski L.L.P.

20090243541 - Method and apparatus for recharging battery of mobile station using electromagnetic resonant wave: A method and apparatus for recharging a battery of a mobile station are provided which can re-receive a signal emitted from an electromagnetic resonant circuit and automatically recharge the battery having the smallest remaining amount sequentially when a quantity of electric charges remaining in the battery is equal to or... Agent: Westman Champlin & Kelly, P.A.

20090243542 - Integrated power adapter for a laptop: A power pack arrangement for a laptop computer, wherein an AC/DC adapter is integrated with a battery pack to form one cohesive unit freely insertable into and removable from a laptop computer housing.... Agent: Ference & Associates LLC

20090243543 - Charge and discharge control circuit and battery device: Provided is a charge and discharge control circuit capable of further preventing poor charge of a battery, and a battery device. Cell balance periods are detected before charge of respective batteries is stopped even when an overcharge detection voltage of a certain charge and discharge control circuit becomes lower than... Agent: Brinks Hofer Gilson & Lione/seiko Instruments Inc.

20090243544 - Protective circuit for a portable electronic device and its smart battery and the protective method thereof: A protective circuit for preventing a smart battery from being damaged is provided. The protective circuit includes a memory unit, disposed in the smart battery, for storing a preset value; a discharging unit disposed in a portable electronic device and coupled to the smart battery; and a control unit, coupled... Agent: Jianq Chyun Intellectual Property Office

20090243545 - Battery pack: A battery pack includes a status detection unit for detecting a status of a battery; a switch unit for interrupting a discharging path of the battery; a notification unit for notifying a user of the status of the battery; an operation unit operable by the user; and control unit for... Agent: Bacon & Thomas, PLLC

20090243546 - Charge and discharge control circuit and battery device: Provided are a charge and discharge control circuit capable of reducing a circuit size, and a battery device. In a charger reverse connection detection circuit (116), a comparison circuit or the like is not used, and two NMOS transistors are used, whereby circuit sizes of the reverse connection detection circuit... Agent: Brinks Hofer Gilson & Lione/seiko Instruments Inc.

20090243547 - Battery charging apparatus and method: A battery charger that includes a primary switching-mode power supply, a secondary switching-mode power supply and a capacitor that is electrically connected to these two power supplies. In operation, this battery charger may be used to reverse the sulfation process in a battery. Also, a battery charging method that may... Agent: Baker & Hostetler LLP

20090243548 - Method for detecting cell state-of-charge and state-of-discharge divergence of a series string of batteries or capacitors: A system for charging a battery includes a battery pack having at least two lithium ion cells. A controller detects a rate of change of voltage with respect to a state of charge (dV/dSOC) of the battery pack based on a calculated dV/dSOC that represents the battery pack as a... Agent: Wilmerhale/boston

20090243549 - Intelligent battery charging rate management: A method and system for intelligent battery charging rate management. Some embodiments of a method include determining a time period available for charging a rechargeable battery from an initial charge state to a final charge state. A second time period is determined, the second time period being an amount of... Agent: Intel/bstz Blakely Sokoloff Taylor & Zafman LLP

20090243550 - Battery charger and battery charging method: A rectification processor includes rectifier elements that control charge to batteries independently for each of the batteries. A charge-state detector detects charge states of the batteries from their voltages, and determines whether to select the batteries for charging in a half-cycle determined beforehand in accordance with the detected result. A... Agent: Nixon & Vanderhye, PC

20090243551 - Charger control circuit and charger control method: The present invention discloses a charger control circuit and a charger control method for controlling a charger having a transformer, the transformer including a primary winding and a secondary winding. The charger control circuit comprises: a power switch coupled to the primary winding; a switch control circuit controlling the operation... Agent: Tung & Associates

20090243552 - Management of fast battery charging in mobile devices: For laptops or other mobile devices, a battery charging arrangement wherein fast-charging and/or slow-charging is governed by something other than a fixed, immovable battery level threshold. Particularly, a variable threshold is broadly contemplated herein which may be governed by any of a very wide variety of conceivable factors, including (but... Agent: Ference & Associates LLC

20090243553 - Method and system for power and charging control in a bluetooth headset: Methods and systems for power and charging control in a Bluetooth headset are disclosed and may include measuring a load current during charging of batteries in a mobile device. A completion time of the charging may be predicted. The charging may be terminated based on a sum of the load... Agent: Mcandrews Held & Malloy, Ltd

20090243554 - Method of protecting battery for hybrid vehicle: The present invention provides a method of protecting a battery for a hybrid vehicle, in which a counter electromotive voltage of a motor is limited by limiting engine RPM if it is determined that there is a risk of battery overcharge in the event of a failure of a component... Agent: Edwards Angell Palmer & Dodge LLP

20090243555 - Remaining battery capacity display method and remaining battery capacity display unit: A method of displaying a remaining battery capacity of a battery pack including battery cells, includes: monitoring at least voltage of the battery cells; outputting voltage information on the voltage; determining whether or not the battery pack is fully charged; when it is determined that the battery pack is fully... Agent: Birch Stewart Kolasch & Birch

20090243556 - System and method for monitoring the state of charge of a battery: A process for monitoring the status of a battery. Steps of the process include measuring a battery current and comparing the battery current to a predetermined threshold. A battery status is determined as one of charging, discharging and quiescent. For a battery charging status determination, the charging state of charge... Agent: Eley Law Firm Co.

20090243558 - Electronic ballast with hold-up energy storage: An electronic ballast is provided, which includes an energy hold-up circuit that maintains operation of an AC discharge load, such as a gas discharge lamp, during at least a portion of a utility source outage.... Agent: Westman Champlin & Kelly, P.A.

20090243557 - Phase synchronization circuit: A phase synchronization circuit comprising: a charging/discharging-circuit to charge/discharge a capacitor in accordance with a drive-signal, charging and/or discharging current-values of the capacitor being settable; an oscillation-circuit to output an oscillation-signal having a frequency corresponding to a charging-voltage; a drive-circuit to output as the drive-signal a first drive-signal for matching... Agent: SocalIPLaw Group LLP