Electricity: battery or capacitor charging or discharging inventions 01/09

20090027002 - Power control interface & energy storage between a wind farm and a power transmission system: A power control interface between an unstable power source such as a wind farm and a power transmission line employs an electrical energy storage, control system, and electronic compensation module which act together like an “electronic shock absorber” for storing excess power during periods of increased power generation and releasing... Agent: Leighton K. Chong Patent Attorney

20090027001 - Solar powered apparatus: A solar powered apparatus that includes a battery, at least one photovoltaic cell (which may be part of a solar module comprising multiple photovoltaic cells), and a DC-capable AC appliance, such as a compact fluorescent light. The solar powered apparatus may also include a first DC to DC converter that... Agent: Lowrie, Lando & Anastasi, LLP

20090027003 - Safety circuit for charging devices: Systems and methods for implementing a safety circuit in charging devices are disclosed. In an exemplary embodiment, a method may include closing a latch to stop delivery of a charging current to a battery when voltage produced by the battery indicates that the battery is non-rechargeable. The method may also... Agent: Hewlett Packard Company

20090027004 - Pressure relief valve for a battery charger: A battery charger (10) comprising a housing (15) enclosing battery charging electronics (11), an interface (12) connectable to a mains outlet, and a charging current output interface. An aperture (71) is formed in a wall (75) of the housing, and a pressure relief valve (90) is arranged in said aperture,... Agent: Warren A. Sklar (soer) Renner, Otto, Boisselle & Sklar, LLP

20090027005 - Charging device: The invention relates to a loading device (10, 100), comprising a charging device (12) and at least a changeable, rechargeable energy storage (14), particularly an interchangeable battery (18), of a power tool (16), wherein each energy storage (14) comprises first contact means (24) for contacting the respective power tool (16).... Agent: Michael J. Striker

20090027006 - Device for improving the charging or discharging process of a battery: A device for balancing a plurality of at least two batteries or cells of a multicell battery comprises a multicell battery and a battery management system with a balancing circuit. Thereby all individual battery cells are connected to the battery monitoring system, wherein the battery monitoring system measures single cell... Agent: The Webb Law Firm, P.C.

20090027007 - Method and device for determining battery discharge capability, and power supply system: Regarding a method for determining battery discharge capability of the present invention, the optimum state vector X is estimated by extended Kalman filter operation. Using the estimated state vector X, element parameters of an equivalent circuit are renewed to the optimum (step S7). Furthermore, based on the equivalent circuit 21... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090027008 - Battery module and charge and discharge method thereof: A battery module and a charge/discharge method thereof are provided. The battery module comprises a cell, a charge/discharge circuit, a temperature sensing circuit and a charge/discharge speed controlling circuit. The charge/discharge circuit is coupled to the cell. The temperature sensing circuit further comprises a temperature coefficient (PTC) device used for... Agent: Rabin & Berdo, PC

20090027009 - System and method for battery management: A method and system for managing a plurality of batteries and useable by way of example with a partially or completely electrically powered vehicle (EV) includes a plurality of monitor modules each coupled to at least one of the plurality of batteries and configured to monitor the voltage and temperature... Agent: Nixon Peabody LLP

20090027010 - Portable communication device and method for charging through discernment of charging cable: A portable communication device and method for charging through discernment of a charging cable are provided. When the portable communication device is connected to an external charging device through a connector in order to charge a power source in the portable communication device, a configuration signal is received from the... Agent: JeffersonIPLaw, LLP

20090027011 - Battery charger: A batter charger for charging a secondary batter using a power supply circuit which converts an AC input into a DC output, includes a first resistor for detecting constant-current control and a second resistor for detecting end of charging. The first resister and the second register are inserted in series... Agent: Bell, Boyd & Lloyd, LLP

20090027012 - Battery charger: A battery charger for charging a secondary battery using a power supply circuit, includes a discrimination circuit to discriminate a constant-current charging mode and a constant-voltage charging mode, and a controller to which a discrimination signal is supplied. When judged as being the constant-current charging mode, the controller sets the... Agent: Bell, Boyd & Lloyd, LLP

20090027013 - Method and apparatus for charging batteries: A battery charging system is disclosed. The battery charging system includes a battery charger, a switching circuit and a control circuit. The battery charger receives electric power from a DC power supply and charges a rechargeable battery based on a setting current. The switching circuit is capable of switching between... Agent: Dillon & Yudell LLP

20090027014 - Capacitor save energy verification: A memory subsystem is configured to obtain power from an external system and from at least one power capacitors. The memory subsystem includes logic to verify the power delivery capability of the power capacitors.... Agent: Fsp LLC

20090021210 - Internally illuminated sign: An illuminated sign, internally illuminated by a source such as one or more LED'S generally located at one end, and having a character panel with at least partially transmissive portions to define the characters of the sign. The character panel is curved so as to face the source more squarely... Agent: Menachem Korall

20090021209 - Power supply assembly capable of collecting solar power: A power supply assembly includes a case body, a rechargeable battery set disposed in an inner receiving space in the case body, a charging mode selecting unit operable so as to select one of electrical energy converted from solar power by a solar power collecting plate, DC power from an... Agent: Sheridan Ross Pc

20090021212 - Coil unit and electronic instrument: A coil unit includes a planar coil that has a transmission side and a non-transmission side, a magnetic sheet provided over the non-transmission side of the planar coil, and a heat sink/magnetic shield plate stacked on a side of the magnetic sheet opposite to a side that faces the planar... Agent: Oliff & Berridge, Plc

20090021211 - Media portal for vehicle: A media portal for a vehicle includes a structure within a vehicle passenger compartment that defines a cavity. The cavity is selectively variable in size in order to retain a portable electronic device. A sensor is configured to detect the presence of the portable electronic device in the cavity. An... Agent: Quinn Law Group, Pllc

20090021213 - Method for pay-per-use, self-service charging of electric automobiles: A method for pay-per-use, self-service charging of electric storage power systems of electric automobiles, said automobiles charged via electrical connections to a provided curbside charging station, said charging station automatically modifying grid electricity to be suitable for charging an array of said automobiles, said charging station also automatically securing electricity... Agent: Oriz W. Johnson

20090021215 - Charger unit for an electronic device including a system for protective storage of an adapter plug: A charger unit for an electronic device that includes a housing, a plurality of charging contacts provided on the housing, and a recess provided in the housing, preferably on a rear face thereof. A plug having a plurality of prongs may be selectively attached to and detached from the housing... Agent: Eckert Seamans Cherin & Mellott

20090021214 - Portable electronic device carrier with charging system: A portable electronic device carrier includes a charging system. The carrier is configured to at least partially house a portable electronic device such as a cell phone, PDA or the like. The carrier may comprise a pouch or have other configurations. The charging system comprises at least one photovoltaic cell... Agent: Weide & Miller, Ltd.

20090021216 - Dual-battery charging and discharging method and device and portable electronic device containing the same: The device contains a first switch and a third switch for the charging and discharging of a main battery, and a second switch and a fourth switch for the charging and discharging of an auxiliary battery. The first switch or the second switch is turned on so as to connect... Agent: Lin & Associates Intellectual Property, Inc.

20090021217 - Method and device for safety protection of secondary battery: A method and device for safety protection of a secondary battery capable of preventing smoking and ignition thereof. A lithium cell 1 as a chargeable and dischargeable secondary battery, a protection circuit 11 for shutting down charging power Pc at the time of overcurrent, overvoltage, etc., and an electric power... Agent: Darby & Darby P.c.

20090021218 - Battery charging based on cost and life: One embodiment of the present subject matter includes a system that includes a battery, an electric vehicle, the battery coupled to the electric vehicle to propel the electric vehicle, and a charging circuit to charge the battery. The embodiment includes a charging cost circuit to estimate a charging cost rate... Agent: Schwegman, Lundberg & Woessner, P.a.

20090021220 - Battery equalizer for cars: There is provided a battery equalizer for cars. The battery equalizer for cars includes a battery module including first and second batteries and a battery equalizer mounted in the battery module to sustain charge voltages of the first and second batteries to be the same. The battery equalizer includes a... Agent: Greenblum & Bernstein, P.L.C

20090021219 - Power reception control device, power reception device, non-contact power transmission system, charge control device, battery device, and electronic instrument: A power reception control device provided in a power reception device of a non-contact power transmission system includes a power-reception-side control circuit that controls an operation of the power reception device, and a power supply control signal output terminal that supplies a power supply control signal to a charge control... Agent: Oliff & Berridge, Plc

20090021221 - Voltage dividing vehicle heater system and method: An apparatus comprising battery pack installed in an electric vehicle, a power supply coupled to the rechargeable battery pack, the power supply operable to provide a charge voltage to perform charging operations on the rechargeable battery pack;, a heater to heat a fluid to be circulated through the rechargeable battery... Agent: Schwegman, Lundberg & Woessner, P.a.

20090021222 - Cell controller: A cell controller capable of ensuring high safety even when a short occurs among voltage detecting lines without causing increased costs is provided. The cell controller 10 includes a unit cell voltage detecting section 7 to detect a voltage of each unit cell 1 constituting a battery group through each... Agent: Jason H. Vick Sheridan Ross, Pc

20090021223 - Battery charger for preventing both overshoot charging current and overcharged battery voltage during charging mode transition: A battery charger for charging a battery through controlling a charging regulation circuit is provided. The battery charger includes a current sensing unit and an operational amplifier. The current sensing unit monitors a charging current applied to the battery when the battery charger operates under a constant current mode, thereby... Agent: North America Intellectual Property Corporation

20090015191 - Solar panel with pulse charger: A rechargeable power assembly having at least one lithium ion cell comprising an anode, a cathode, an electrolyte gel; a pulsed balancing circuit connected to the at least one lithium ion cell for maintaining the at least one lithium ion cell in a balanced phase; at least two photovoltaic cells... Agent: Buskop Law Group, P.C.

20090015192 - Portable-electric-appliance protector/power supplier: A portable-electric-appliance protecting and electricity supplying device used for charging a portable electric-appliance which can be at the same time received in a leather casing, thus an object of convenient using can be achieved. The device is provided in a receiving housing for receiving a portable electric appliance having a... Agent: Bacon & Thomas, PLLC

20090015193 - Power supply device, control method of power supply device, and motor vehicle equipped with power supply device: In a power supply device of the invention, when the state of charge SOC1 of a low-voltage battery is lower than a discharging reference value Shi1 below a full charge level and when the state of charge SOC2 of a high-voltage battery is not lower than a discharging reference value... Agent: Oliff & Berridge, PLC

20090015194 - Portable computerized data communication device: In one embodiment, a portable computerized data communication device in a data communication system may include, for example, a user interface; a computerized system controlling operation of the device; a device housing having a normal closed condition defining an interior space within the device housing, and having an interior electrical... Agent: Mcandrews Held & Malloy, Ltd

20090015195 - Device with electric appliance and charging station: A system includes an electric appliance, which is operated with replaceable and rechargeable batteries, a charging station and two or more battery units. The charging station has two or more receptacles for holding and charging the battery units. A first coupling is provided between a battery unit and the appliance... Agent: Fish & Richardson PC

20090015196 - Power supply for sensors and other electronic devices: A power supply comprises at least one transformer that is placed around an active power line and is connected through at least one power conditioning system to provide a conditioned power source for at least one electronic device. Power is generated by scavenging power from the power being supplied on... Agent: Norma E Henderson Henderson Patent Law

20090015197 - Power transmission device and electronic instrument: A power transmission device includes a resonant capacitor that forms a series resonant circuit with a primary coil, a first power transmission driver and a second power transmission driver that drive the primary coil, and a control IC that outputs driver control signals to the first and second power transmission... Agent: Oliff & Berridge, PLC

20090015198 - Docking and charging station and method for a portable electronic device: A docking and charging station for a portable electronic device includes an AC charging piece for connection to an AC power source, a DC charging piece for connection to a DC power source and a docking piece for receiving the portable electronic device. The docking piece is configured to be... Agent: Lerner Greenberg Stemer LLP

20090015199 - Power storage system: A power storage system capable of surely carrying out activation, operation, and stopping that are crucial and necessary in the use of the power storage system and appropriately addressing various kinds of abnormalities is provided. The power storage system regulates DC power from a DC power supply into prescribed voltage... Agent: Buchanan, Ingersoll & Rooney PC

20090015201 - Hybrid vehicle and control method therefor: An HV-ECU executes refresh-discharging of a battery before the battery is charged from a commercial power source using an AC/DC converter. After the battery is refresh-discharged, the HV-ECU outputs a control signal to the AC/DC converter such that the battery is charged from the commercial power source by the drive... Agent: Oliff & Berridge, PLC

20090015200 - Method and arrangement for modifying the state of charge (soc) and state of health (soh) of a battery: A high state of charge results in reduced ageing and less wear of and to a rechargeable battery. Furthermore, acid stratification occurs in rechargeable batteries, primarily as a result of the influence of the force of gravity on the electrolyte, leading to a significant reduction in the performance of the... Agent: Greenblum & Bernstein, P.L.C

20090015202 - State of charge control method and systems for vehicles: State of charge control for electric and hybrid vehicles. In one embodiment, a battery may be electrically connected to an electric motor to propel a vehicle. In such an embodiment, during vehicle operation a state of charge of the battery may fluctuate within a given state of charge range and... Agent: Dinsmore & Shohl, LLP

20090015203 - System and method for controlling vehicle idling and maintaining vehicle electrical system integrity: A battery charge maintenance system for a vehicle is provided.... Agent: Baker & Daniels LLP

20090015206 - Cell monitoring and balancing: A method for monitoring the voltage of each of a plurality of cells of a battery pack is provided. The method may include monitoring a voltage potential for each of a plurality of cells in a battery pack utilizing a single channel of battery control unit within the battery pack.... Agent: Harness Dickey & Pierce, P.L.C

20090015205 - Hybrid control device: In a hybrid control device performing cooling control of a secondary battery of a hybrid vehicle, the hybrid control device limiting the amount of charge/discharge of the secondary battery based on an air volume flow of a cooling fan cooling the secondary battery, an operation control mode of the secondary... Agent: Sughrue Mion, PLLC

20090015204 - Method and apparatus for managing operations associated with a backup power source at a network terminal: A method and apparatus provide for managing operations associated with a backup power source at a network terminal. A network terminal includes a battery port that, when enabled, is configured to monitor status of a battery coupled to the battery port and provide a status indicator for the battery. The... Agent: Hamilton, Brook, Smith & Reynolds, P.C.

20090015207 - Multi-cell charger with individual cell control: The present invention discloses a battery charger and a method for charging a plurality of batteries. The battery charger includes: a current source for supplying a source current which has a charge current portion and a diverted current portion; bypass sections; voltage clamp sections; sense sections; a feedback section for... Agent: Townsend And Townsend And Crew, LLP

20090015208 - Reset mechanism for a battery pack: A battery pack may include a plurality of battery cells; a discharge switch in series with the battery cells, a temperature sensor configured to sense temperature in the battery pack, and a battery control unit adapted to receive a signal indicative of temperature from the temperature sensor and operable to... Agent: Harness Dickey & Pierce, P.L.C

20090015209 - Method of charging a battery array: The method of charging a battery array performs constant current, constant voltage charging of a battery array while detecting the voltage of each battery. The battery array is a plurality of series connected batteries. The charging method detects the voltage of each battery cell at a prescribed sampling rate. When... Agent: Wenderoth, Lind & Ponack, L.L.P.

20090015210 - Non-contact electric power transmission apparatus: The object is to provide a safe non-contact electric power transmission apparatus reducing unnecessarily consumed electric power, while intermittently-operated or otherwise restrained electric power transmission is not performed, and heat is not generated when a metal such as a foreign object is placed. In a non-contact electric power transmission apparatus... Agent: Renner Kenner Greive Bobak Taylor & Weber

20090015211 - Method and related device for charging at the same voltage two or more capacitors connected in series: A device, such as a pump capacitor or an energy storing inductor, is charged by coupling it to a voltage source. Thereafter, the device is connected in parallel to one of the capacitors or capacitance cells to be charged, and the charging of the device and successive connections of it... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20090009130 - Apparatus and method for charging an accumulator: An apparatus for charging an accumulator (1) of electrical charge comprises an apparatus for supplying electrical current from externally supplied energy and for supplying current at an output voltage differential, and terminals for supplying charging current to an accumulator (1) to be charged at an imposed voltage differential. The apparatus... Agent: Howrey LLP-eu

20090009131 - Method and apparatus for charging electric devices: Disclosed is a method and apparatus for charging electrically powered devices. In accordance with the invention, the device is powered by two storage devices. One storage device is capable of receiving a substantial charge very rapidly while the other storage device requires a longer time to receive a charge. The... Agent: Holland & Knight LLP Attn: Stefan V. Stein/IPDept.

20090009132 - Method of powering appliances and apparatus therefor: s

20090009133 - Battery state monitoring circuit and battery apparatus: Provided is a battery state monitoring circuit which is capable of preventing a discharge leak current from a battery so as to eliminate a load conventionally imposed on a user, including: a battery state detector circuit that detects a state of the battery based on a voltage of the battery;... Agent: Bruce L. Adams, Esq Adams & Wilks

20090009135 - Charge protection circuit with timing function: A charge protection circuit with a timing function is disclosed. The circuit includes a charge protection module constituting of a second switch, a second capacitor and a control integrated circuit (IC). The second switch Q2 is switched to turn on or turn off to charge or discharge the lithium-ion battery.... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20090009134 - Method and device for measuring internal resistance of battery: A device for measuring an internal resistance of a battery includes a charging unit, a switch, a measuring unit, and a calculating unit. The charging unit is used for respectively charging the battery through a first resistor (R1) and a second resistor (R2). The switch is used for selectively connecting... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20090009136 - Rechargeable battery with internal discharger: To shift a rechargeable battery into a lower load state that is ideal with regard to storage and aging, it is proposed that a Zener diode connected in series with a resistor and a switch. The rechargeable battery voltage, which corresponds to the predetermined, lower load state, is selected as... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20090009139 - Accumulator with an adaptable charge shutoff voltage: An accumulator with a rechargeable battery for operating an electrical device, in particular an electrical power tool, has an electronic voltage circuit. The voltage circuit has at least one electronic component, in particular a diode, which generates a defined voltage drop. The charge shutoff voltage is thus adjusted.... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20090009137 - Apparatus and method to integrate the power management ic with the system ic: Apparatus and method to integrate a digital pulse width modulation controller, a digital battery charger controller, and other power management functions in a digital system integrated circuit to increase the design flexibility, manufacture simplicity, improve efficiency, and reduce the complexity and cost of the system design is disclosed. The digital... Agent: Jun Zhang

20090009138 - Over-voltage protected battery charger with bypass: A battery charger comprises charging circuitry for providing a battery charging voltage responsive to an input voltage. First circuitry provides both over-voltage protection and an input voltage bypass signal responsive to the input voltage. The first circuitry includes a low impedance switch having a resistance of at least 500 mΩ... Agent: Howison & Arnott, L.l.p

20090009140 - Apparatus and method of recharging a battery using a usb device in a portable device: An apparatus and a method of recharging a battery of a portable device using a USB are provided. In the method, a recharge unit of the portable device detects a voltage of the battery, and recharges the battery with a maximum recharge current of the USB. An amount of time... Agent: JeffersonIPLaw, LLP

20090009141 - System and method for battery charging: A charging circuit includes a pulse generator and a controller coupled to the pulse generator. The pulse generator is used to generate a plurality of pulses to control a charging switch. The controller is used to control a pulse density of the plurality of pulses. A charging current flowing through... Agent: Patent Prosecution O2mirco , Inc.

20090009142 - Charging device: A charging device which is capable of preventing charging current from flowing even if a battery pack remains mounted thereon after charging of the battery pack is completed, thereby preventing deterioration of batteries of the battery pack. A circuit including a semiconductor switch generates a DC power for charging the... Agent: Rossi, Kimms & Mcdowell LLP.

20090009143 - Overvoltage protection: An overvoltage protection system capable of maintaining a high setting voltage of a battery charger while guaranteeing that cell voltage does not exceed a value limited by a threshold value. In one preferred embodiment, a battery set is a plurality of series-connected battery cells. A protection voltage measurement portion measures... Agent: Ference & Associates LLC

20090009145 - Charging apparatus: A charging apparatus suppresses rise in temperature of an internal chip of a charging element. The output signal obtained from a current detecting portion for detecting charging current to a capacitor and from a voltage detecting portion for detecting a difference between a voltage (VC) of capacitor and a voltage... Agent: Ratnerprestia

20090009144 - Discharge device: A discharging device capable of realizing a proper PWM drive by accurately reflecting, as a strobe device, the secondary-side condition of a separately-excited strobe charging circuit being charged. A charging device which charges a main capacitor (2) via a separately-excited DC/DC converter and discharges the energy of the main capacitor,... Agent: Steptoe & Johnson LLP

20090001926 - Electrically driven vehicle: A electrically driven vehicle (100) has high-voltage battery (42) for driving an electric motor (10) for driving the vehicle, a solar battery (24), a charging DC/DC converter (36) supplying electrical power generated by the solar battery (24) to the high-voltage battery (42), a charging control ECU (38) that performs charging... Agent: Oliff & Berridge, PLC

20090001927 - Systems and methods for intelligent charging and intelligent conditioning of a high voltage battery: The technology described herein provides a stand-alone intelligent battery charger and intelligent conditioner for use with a high-voltage battery, such as those used in hybrid automotive vehicles. Additionally, in various exemplary embodiments, this technology provides a system and method for validating the capacity of a high voltage battery. Other comparable... Agent: Ralph E. Smith Cims 483-02-19

20090001928 - Transformation of battery charger to power source using signature adapters: A signature connector adapter adapted to provide additional capabilities for a battery charger beyond not only charge batteries, but performing other user-friendly functions is presented. One embodiment utilizes a resistor disposed within a signature charger adapter to detect battery type and communicate the battery type to the battery charger. The... Agent: Jackson Walker LLP

20090001931 - Battery cover: A battery cover suitable for being used to cover a battery groove of an electric appliance such as a game controller, a remote controller, a mobile phone, a multi-medium player, a wireless mouse, a flashlight, a PDA, a digital camera etc. to generate electric power in a wireless inducing mode,... Agent: Bacon & Thomas, PLLC

20090001930 - Electronic apparatus and associated methods: An apparatus for receiving electromagnetically induced current, the apparatus comprising an antenna element for receiving electromagnetically induced current in a first apparatus operating mode, and also for near field communication in a second apparatus operating mode, wherein the apparatus comprises circuitry for switching the apparatus from the second apparatus operating... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20090001932 - Power transmission control device, power transmission device, non-contact power transmission system, and electronic instrument: A power-transmission-side control circuit causes a power transmission device to perform temporary power transmission when a switch provided in a power-transmission-side instrument has been turned ON, and performs ID authentication based on ID authentication information. The power-transmission-side control circuit detects the presence or absence of a foreign object during normal... Agent: Oliff & Berridge, PLC

20090001929 - Wireless charging device with reflected power communication: Disclosed is a wireless charging device for charging electronic devices placed in a docking area of the wireless charging device. The wireless charging device includes an inductive coupler, a reflected power detector, a power source and a power control system. The inductive coupler is configured to charge at least one... Agent: Grossman, Tucker, Perreault & Pfleger, PLLC C/o Intellevate, LLC

20090001933 - Electric device system with integrated recharge source and exterior energy source: A system containing an electric device such as a cellular phone, equipped with an integrated source of rechargeable electrical energy, an exterior energy source device and a connecting cable from the source device to the device. The exterior source device contains a module with several batteries likely to be connected... Agent: Ladas & Parry LLP

20090001934 - Battery testing apparatus: A battery testing apparatus includes a charge circuit, a discharge circuit, a computer, and a control circuit. The charge circuit is coupled to a direct current (DC) adapter, the DC adapter charges a battery through the charge circuit. The discharge circuit is coupled to the battery and configured to discharge... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang

20090001935 - Battery charging system: A battery charging system is disclosed. The battery charging system includes a battery cell, a voltage measurement circuit and an overvoltage protection circuit. The voltage measurement circuit measures a cell voltage of the battery cell. The overvoltage protection circuit is configured to stop charging the battery cell when a reading... Agent: Dillon & Yudell LLP

20090001936 - Structured silicon anode: A silicon/lithium battery can be fabricated from a silicon substrate. This allows the battery to be produced as an integrated unit on a chip. The battery includes a silicon anode formed from submicron diameter pillars of silicon fabricated on an n-type silicon wafer. The battery also includes a cathode including... Agent: Fay Sharpe LLP

20090001937 - Power management systems with controllable adapter output: A power management system includes a battery pack having a battery controller and includes an adapter operable for charging the battery pack and powering a system load. The adapter generates a power recognition signal indicative of a maximum adapter power and receives a control signal. The battery controller in the... Agent: Patent Prosecution O2mirco , Inc.

20090001938 - Charging device: A method performed by a charging device may include detecting a presence of an external device connected to a secondary side of the charging device and setting a switch on a primary side of the charging device to an off state when a presence of an external device is not... Agent: Harrity & Harrity, LLP

20090001939 - Apparatus for preventing capacitor charger from overcharging and method thereof: An apparatus for controlling a charging circuit is provided. The apparatus includes a first detector, a second detector, and a controller. The first detector detects a voltage level at a first time and generates a first indication value corresponding to the voltage level at the first time, where the voltage... Agent: North America Intellectual Property Corporation