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| Number | Title | Issue Date |
| 8174239 | 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... | 05/08/2012 |
| 8106628 | Capacitor charging apparatus A capacitor charging apparatus includes a transformer and an output capacitor charged with current flowing through a secondary coil of the transformer, and charges the output capacitor by performing a switching control of a switching transistor provided on a path le... | 01/31/2012 |
| 8063607 | Energy storage system and method of sequentially charging a first and second battery cell based on voltage potential A lighting system is provided that includes at least one lighting device, at least one connector, and a plurality of external power sources. The external power sources are adapted to be electrically connected to the lighting device by the connector. One of the exter... | 11/22/2011 |
| 8030896 | Multi-output voltage battery module and electronic device using the same A multi-output voltage battery module including a main body, a plurality of battery cells and a power-managing unit is provided. The battery cells are disposed within the main body and respectively provide different supply voltages for a plurality of electronic elem... | 10/04/2011 |
| 7986128 | Charger A battery charger includes an attachment portion capable of being connected to a plurality of battery packs; a connection unit for connecting one of the battery packs connected to the attachment portion to a charging path; a state detection unit for detecting a stat... | 07/26/2011 |
| 7952328 | Multi-battery charging system and method A multi-battery charging system comprises a computing device having a controller configured to control a plurality of power regulators, each of the plurality of power regulators for regulating charging power to a respective battery, at least one of the power regulat... | 05/31/2011 |
| 7880436 | System and method for predictive management of energy supply to a transport device An energy management system for a transport device, in particular for a motor vehicle running on fuel and electricity, includes an energy source, an intermediate energy store and an electric energy consumer, in particular an electric drive. Control and/or regulation... | 02/01/2011 |
| 7839121 | Apparatus and method for managing power of battery packs in a portable device To manage power of battery packs, charging currents and remaining capacities of the battery packs may be detected. An order for charging and discharging the battery packs may be determined based on the charging currents. The battery packs may be charged or discharge... | 11/23/2010 |
| 7400911 | Wireless node and method of powering a wireless node employing ambient light to charge an energy store A wireless node, such as a sensor node or other suitable node, includes a supercapacitor having a charge and one or more photocells adapted to charge the supercapacitor responsive to ambient light. A microprocessor cooperates with a wireless transceiver to transmit ... | 07/15/2008 |
| 7391183 | System for controlling charging of secondary battery To provide a system for controlling the charging of a secondary battery (battery), which is capable of keeping an initial charging/discharging characteristic of the battery in consideration of a change in environmental temperature and deterioration of the battery wi... | 06/24/2008 |
| 7365515 | Universal battery charger To provide a universal battery charger with low power consumption during a standby condition and a rush current suppressing capability at the time of commencement of charging, a voltage slightly larger than a battery voltage is produced and applied to the battery. T... | 04/29/2008 |
| 7363522 | Apparatus and methods for information handling system with power supply device with variable output power An information handling system includes a power source configured to provide a plurality of power levels to a load. At least one of the plurality of power levels corresponds to a level obtained by de-rating a capacity of the power source from a nominal design specif... | 04/22/2008 |
| 7307402 | Method of charging alkali metal polymer batteries A method of charging an electrochemical generator having a plurality of electrochemical cells. The method includes the step of charging the plurality of electrochemical cells such that the total voltage of the generator reaches a predetermined voltage level, followe... | 12/11/2007 |
| 7301313 | Multiple voltage regulators for use with a single load Multiple voltage regulators for use with a single load. The present invention allows power to be supplied to an electrical load using multiple voltage regulators based on the operating environment of the load. In one embodiment, a primary voltage regulator that is b... | 11/27/2007 |
| 7272025 | Method and apparatus to control either a regulated or an unregulated output of a switching power supply Techniques are disclosed to control output power from a switching power supply. For example, a switching regulator according to aspects of the present invention includes a switch to be coupled to an energy transfer element of a power supply. A controller is coupled ... | 09/18/2007 |
| 7259538 | Adaptive battery conditioning employing battery chemistry determination Adaptive battery conditioning employs battery chemistry determination to establish how, when and whether to condition a battery. As a result, the conditioning is optimized for the determined battery chemistry. Further, conditioning of a battery that is not condition... | 08/21/2007 |
| 7253586 | Intelligent multiple battery charging station A method for charging at least one battery, includes: determining a status of at least one parameter for the battery, where the at least one parameter comprises a closeness to a desired charge level; determining that the battery is to be charged during a peak usage ... | 08/07/2007 |
| 7235951 | Charging apparatus There is provided a charging apparatus, which uses a charging control timer having a relatively simple constitution, capable of preventing an overcharge of a secondary battery while detecting the overcharge of the secondary battery even if a charge current value is ... | 06/26/2007 |
| 7218076 | Battery charging system A battery charging system comprising: a current source; a battery; and a voltage and current regulator, which regulates voltage applied to the battery and current supplied to the battery. The battery charging system shapes the current supplied to the battery, and ma... | 05/15/2007 |
| 7206944 | Electrical apparatus, computer, and power switching method An electrically powered apparatus having a system body obtains power from an AC adapter connected to the system body. The system body and AC adapter are powered from a commercial power source. A battery connected to the system body is charged, then discharged to pow... | 04/17/2007 |
| 7193393 | Approach for charging multiple batteries According to an example embodiment, an arrangement charges equipment batteries, for example, while the equipment is being towed by a towing vehicle. In this example application, the towing vehicle has a primary battery and a rearward-located hitch for towing a trail... | 03/20/2007 |
| 7183744 | Battery housing structure for portable devices A battery housing structure for portable devices includes a battery chamber and a movable seat located in a portable device. The battery chamber has two housing compartments for holding batteries. The movable seat is slidable in the battery chamber and confined betw... | 02/27/2007 |
| 7176806 | Physical key to facilitate an inactive mode for a state-of-charge indicator within a battery The invention provides a system and battery including a state-of-charge indicator (SOCI) to monitor and display the amount of charge within the battery. The SOCI is capable of operating in a hibernate mode, an active mode, and/or a sleep mode. The battery may be man... | 02/13/2007 |
| 7176656 | Tool with battery pack A handheld tool has an attached position in which the tool is removably attached to a battery pack. The battery pack has an auxiliary battery and output terminals for outputting electricity from the auxiliary battery. The tool includes a load and a primary battery. ... | 02/13/2007 |
| 7141954 | Li-ion/Li-polymer battery charger configured to be DC-powered from multiple types of wall adapters A battery charger controller is coupled to DC output terminals of an AC-DC (or DC-DC) adapter containing an AC-DC (or DC-DC) converter. A controlled current flow path between input and output terminals of the battery charger controller circuit is controlled to provi... | 11/28/2006 |
| 7136682 | Portable electronic system equipped with a spare battery device A portable electronic system equipped with a spare battery device. The portable electronic system includes a spare battery device and a portable device. The spare battery device includes a first fixer unit, a power storage unit and a sensory control unit. The sensor... | 11/14/2006 |
| 7123033 | Method and an apparatus to detect low voltage A method and an apparatus to detect low voltage have been disclosed. One embodiment of the apparatus includes a main circuit powered at a supply voltage, wherein the supply voltage changes over time and a test circuit coupled to the main circuit, the test circuit be... | 10/17/2006 |
| 7116079 | Methods and apparatus for simultaneously charging multiple rechargable batteries A charger has two or more separate charging ports to which two or more rechargeable batteries can be coupled, respectively. Current from a single current source is allocated to the two or more separate charging ports so that the two or more rechargeable batteries wi... | 10/03/2006 |
| 7109671 | Device and method of a back EMF permanent electromagnetic motor generator This invention is a back EMF permanent electromagnetic motor generator and method using a regauging process for capturing available electromagnetic energy in the system. The device is comprised of a rotor with magnets of the same polarity; a timing wheel in appositi... | 09/19/2006 |
| 7105249 | Pressure-compensated downhole battery A pressure-balanced battery for powering downhole-drilling components and a downhole telemetry network in a subterranean environment includes a battery and a housing enclosing and sealing a volume containing the battery. At least a portion of the housing is expandab... | 09/12/2006 |
| 7086334 | Staggered charging of slave devices such as in an electronic blasting system Selective, staggered charging of individual slave devices in a system at different times, such as electronic detonators in an electronic blasting system, so as to prevent excessive voltage drop on the bus. The staggered charging may be obtained through a clock-drive... | 08/08/2006 |
| 7088065 | Drive unit and vehicle equipped therewith A drive unit of the invention comprises a motor that can input/output motive power to/from a drive shaft, a drive circuit that performs drive control of the motor, a fuel cell that is connected to the drive circuit without the intervention of a voltage converter suc... | 08/08/2006 |
| 7067461 | Water-based drilling fluid additive containing graphite and carrier A drilling fluid additive is provided wherein the additive is manufactured by a method comprised of admixing graphite with at least one carrier such as a polypropylene glycol or oil to create a suspended mixture, and allowing the surface of the graphite to be pre-we... | 06/27/2006 |
| 7058484 | Software for configuring and delivering power Software (101 and 800) which interacts with either embedded (100) or external (400) hardware assemblies, for processes (330 to 356) such as acquiring power-related values (342), principally by the use of a connector (... | 06/06/2006 |
| 7026790 | Built-in battery controller for personal telecommunication device A built-in battery controller for a personal telecommunication device. The battery controller includes a push switch that is switched on and off by a user, a power control unit that is connected to the push switch and allows a leakage current to flow through the pow... | 04/11/2006 |
| 7015662 | Engine operated machine The invention makes an output sharing of an engine and an electric motor proper so as to suitably drive a load. When a throttle opening degree variation amount ΔV is within a ΔV1, an engine E can drive a power generator G at a rated revolution speed. A swit... | 03/21/2006 |
| 7009363 | Optimized battery life in multiple battery applications Various apparatus and methods of supplying regulated battery power to an electrical device, such as a downhole tool, are provided. In one aspect, a method of providing power to an electrical device is provided that includes providing a plurality of batteries and pro... | 03/07/2006 |
| 7003679 | System and method for storing a charging algorithm and charging methodology associated with a battery and selectively connecting a critical circuit to a battery voltage pin Battery management can be advantageously integrated into a programmable logic device (PLD). Specifically, by using a programmable battery controller provided on the PLD, the user can make a decision regarding battery choice much later in the design process, reduce t... | 02/21/2006 |
| 6998820 | Li-ion/Li-polymer battery charger configured to be DC-powered from multiple types of wall adapters A battery charger controller is coupled DC output terminals of an AC-DC (or DC-DC) adapter containing an AC-DC (or DC-DC) converter. A controlled current flow path between input and output terminals of the battery charger controller circuit is controlled to provide ... | 02/14/2006 |
| 6990422 | Method of analyzing the time-varying electrical response of a stimulated target substance A time varying electrical excitation(s) is applied to a system containing biologic and/or non-biologic elements, whereupon the time-varying electrochemical or electrical response is detected and analyzed. For biologic specimens, the presence, activity, concentration... | 01/24/2006 |
