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| Number | Title | Issue Date |
| 7463008 | Power supply apparatus with transistor control for constant current between series-connected battery blocks A power supply device having a plurality of series-connected-battery blocks which are connected in parallel and in which two or more secondary cells capable of charging and discharging are connected in series, includes a constant-current control circuit provided for... | 12/09/2008 |
| 7459883 | Apparatus for monitoring the voltage of a battery pack having a plurality of battery cells connected in series A battery voltage monitoring apparatus according to the present invention for monitoring a voltage of a battery pack having a plurality of battery cells connected in series includes a first terminal connected supplied with a highest battery voltage of the battery ce... | 12/02/2008 |
| 7459885 | Apparatus for monitoring the voltage of a battery pack having a plurality of battery cells connected in series A battery voltage monitoring apparatus to monitor a voltage of an assembled battery having a plurality of battery cells, the battery voltage monitoring apparatus comprises a first voltage sensor module having a voltage sensor and a first and a second module terminal... | 12/02/2008 |
| 7459888 | System and method for precharging and discharging a high power ultracapacitor pack This invention is a system and a method that uses the braking resistor, commonly used and available in electrically or hybrid-electrically propelled vehicles, to limit the precharge current during the startup of a high power ultracapacitor pack energy storage device... | 12/02/2008 |
| 7459881 | Method and apparatus for monitoring battery back-up power in an alarm system An alarm system with improved power is provided. The improved power comprises at least two batteries. Each battery has the capacity to individually back up the alarm system for a standby period. The alarm system selects either battery and operates from that battery.... | 12/02/2008 |
| 7459880 | Solar generator panel for an electric or hybrid vehicle An apparatus for charging a battery of a vehicle includes at least one photovoltaic cell that is adapted to convert solar insolation into electricity. The position of each photovoltaic cell is varied so that it faces toward a current location of the sun whether the ... | 12/02/2008 |
| 7459882 | Rechargeable batteries An improved rechargeable battery which comprises: a plurality of battery cells connected together to discharge in parallel, each of the cells, or each group or groups of the cells having its own respective recharging input; and an electrical switching circuit to swi... | 12/02/2008 |
| 7456609 | Replaceable rechargeable battery unit for a power tool and charger The invention is based in particular on a replaceable rechargeable battery unit (10) for a power tool having a coupling unit (12, 50) for charging it. The coupling unit (12, 50) is provided for charging the replaceable rechargeable battery unit ... | 11/25/2008 |
| 7456611 | Multi-current battery charger circuit and method therefor In one embodiment, a battery charger is configured to provide a normal charge current during a first time period and to supply a maintenance current after the first time period expires. ... | 11/25/2008 |
| 7456614 | Battery pack A protecting circuit monitors a voltage of a secondary battery and supplies the signal to permit a discharge to a gate terminal of a discharge control FET when the voltage is equal to or more than a lower limit value in a rated voltage range. When the discharge cont... | 11/25/2008 |
| 7457141 | AC adaptor It is an object of this invention to provide an AC adaptor capable of achieving downsizing and cost reduction, and having both a constant-voltage/constant-current control function necessary for battery charge, and an optimum current control function for driving of a... | 11/25/2008 |
| 7456615 | Charging arrangement for capacitor means A capacitor charging arrangement to be supplied by a voltage containing network cycles, and having a gate-controlled semiconductor switch (Tch) arranged for charging the capacitor (Caux) and generating a control signal of the gate-controlled se... | 11/25/2008 |
| 7453235 | Modular uninterruptible power supply A modular uninterruptible power supply is disclosed, which provides complete redundancy for all components required for UPS operation. Novel aspects of the invention include design of the modules and their interconnection and interoperability, as well as improved op... | 11/18/2008 |
| 7453236 | Battery pack of automatically setting master and slave pack, multi-battery pack system including the same and method for controlling the same Disclosed are a multi-battery pack system, a method for controlling battery packs, and a battery pack, in which plural battery packs provided in the multi-battery pack system can be set as a master battery pack and slave battery packs by themselves. The method for c... | 11/18/2008 |
| 7453232 | Leakage detector for a power supply apparatus for a vehicle A leakage detector for a power supply apparatus for a vehicle having a voltage detection circuit that detects voltages of a plurality of battery modules. The voltage detection circuit comprises a multiplexer that switches the battery modules voltages of which are de... | 11/18/2008 |
| 7453233 | Adapter system and method for powering a device An adapter for providing a source of power to a mobile device through an industry standard port is provided. In accordance with one aspect of the invention, the adapter comprises a plug unit, a power converter, a primary connector, and an identification subsystem. T... | 11/18/2008 |
| 7449862 | Method and apparatus for charging a battery using a threshold to cease charging A device (102) contains a battery (116) which is recharged under control of a charge controller (112). An external power supply (104) provides charging current and voltage (106). A linear regulator (110) regulates the raw vo... | 11/11/2008 |
| 7449864 | Apparatus and method for controlling battery discharge between internal battery and external battery An apparatus for and a method of controlling battery discharge. A number of battery switching operations is minimized by detecting a remaining voltage capacity of each of a plurality of batteries supplying a battery-powered electronic device with power. The remainin... | 11/11/2008 |
| 7446505 | System and method for calculating a state of charge of a battery Described is a system and method for determining determining a present state of charge of a battery and determining a rate of change of the state of charge of the battery, the rate of change being determined based on a charge current being supplied to the battery. T... | 11/04/2008 |
| 7446536 | Scan tool for electronic battery tester A cable for connecting to an electronic battery tester, includes a first end configured to couple to a databus of a vehicle and a second end configured to couple to the electronic battery tester. An electrical connection extends between the first end and the second ... | 11/04/2008 |
| 7446508 | Battery charger for charging lithium-ion battery A battery charger for charging a lithium-ion battery includes a temperature control unit and a current supplying unit. The temperature control unit controls a temperature of the lithium-ion battery to fall in a predetermined range. The predetermined range is divided... | 11/04/2008 |
| 7446503 | Method and apparatus for charging batteries using a converter A method and apparatus for charging batteries includes using an input rectifier to receive an ac input and provide a dc signal. A converter receives the dc signal and provides a converter output. An output circuit receives the converter output and provides a battery... | 11/04/2008 |
| 7446434 | Dual mode power management system A power management system has a primary power source (100) and a secondary power source (106) generated from the primary power source (100) with a power output selector (204) coupled to each for selecting power for a regulated power outpu... | 11/04/2008 |
| 7443141 | Capacitor charging circuit, flash unit, and camera The present invention provides a flash discharging circuit for simplifying the charging of electric power in a capacitor. When energy discharged from a transformer for storing and discharging energy is charged in a main capacitor of the circuit, a detection voltage ... | 10/28/2008 |
| 7443138 | Battery control device for equalization of cell voltages The battery control device includes: a state detecting means which receives electric power from an on-vehicle low-voltage battery having a supply voltage lower than that of an on-vehicle high-voltage battery composed of a plurality of unit cells connected together i... | 10/28/2008 |
| 7443137 | Adapter for a power tool battery The invention provides an electrical combination including a power tool having a housing supporting a motor, which is operable to drive a tool element. The electrical combination also includes a battery and an adapter supportable on the housing of the power tool and... | 10/28/2008 |
| 7443136 | Method and device employing heat absorber for limiting battery temperature spikes A method and apparatus for containing heat generated by a battery to reduce the amplitude of a temperature excursion to enhance safety in temperature critical applications, such as in implantable medical devices. The apparatus employs a heat absorber (38) clo... | 10/28/2008 |
| 7443134 | Battery pack shipping system and method A battery pack packaging system and method includes a kit box with a body, a first receptacle in the body operable to receive at least one of a cordless device and a charging device, a second receptacle in the body, and a battery container removably received by the ... | 10/28/2008 |
| 7439705 | Diagnosis method, power supply control device, electronic apparatus, battery pack and computer-readable storage medium A diagnosis method diagnoses an electronic apparatus that is operable with a battery pack having a memory which stores information. The diagnosis method reads information from the battery pack, and sets the electronic apparatus to a diagnosis mode when the read info... | 10/21/2008 |
| 7439711 | Energy storage device including a status indicator An energy storage device for use with an electric vehicle includes an electrical energy storage device configured to be coupled to an electrical traction system of the electric vehicle to provide electrical power to the electrical traction system. The energy storage... | 10/21/2008 |
| 7436149 | Systems and methods for interfacing a battery-powered information handling system with a battery pack of a physically separable battery-powered input or input/output device Systems and methods for interfacing a battery system of a battery-powered keyboard system with main battery components of a battery-powered information handling system to enable a battery charging system of the battery-powered information handling system to charge b... | 10/14/2008 |
| 7436150 | Energy storage apparatus having a power processing unit An apparatus including an energy storage device and a power processing unit that is coupled to the energy storage device. The energy storage device is configured to deliver electrical energy to a load. The energy storage device also is configured to receive electric... | 10/14/2008 |
| 7432685 | Battery charger and control method therefor To fully charge a battery by a multi-power-source battery charger either when a DC power having a voltage corresponding to the charging voltage of the battery is input or when a DC power having a voltage higher than the charging voltage of the battery is input, the ... | 10/07/2008 |
| 7429848 | Battery disable/enable control circuitry of a portable computing device A portable computing device includes at least three buttons and circuitry for sensing the pressing of at least three buttons, one being recessed, and in response to such sensing provides a battery disable signal to a non-removable battery. The portable computing dev... | 09/30/2008 |
| 7425816 | Method and system for pulse charging of a lithium-based battery A combination including a battery pack and a battery charger operable to supply a charging current to the battery pack. The battery pack includes a plurality of battery cells having a lithium-based chemistry and a present state of charge. The battery pack also inclu... | 09/16/2008 |
| 7425817 | Apparatus and method for switching charging supply of a power amplifier A method and apparatus of controlling battery charging of an RF power amplifier are disclosed. The RF power amplifier is supplied by the battery when charging is progressing normally, but switches supply to the charger if the charging process is interrupted. A therm... | 09/16/2008 |
| 7423409 | Battery polarity management A battery monitor for use with a battery includes an input configured to receive a voltage from the battery, an analog to digital converter (ADC) coupled to the input and configured to convert analog voltages received through the input into digital indications of le... | 09/09/2008 |
| 7423407 | Cordless power tool system having slidably-engaging power source connection A system of cordless power tools includes a cordless power tool adapted to removably receive a rechargeable battery pack. The battery pack and the power tool can have complementary grooves and rails or L-shaped surfaces that aid in aligning the positive and negative... | 09/09/2008 |
| 7423410 | Battery protecting circuit This invention provides a battery protecting circuit where even if the battery voltage falls nearly to zero volts due to overdischarge or the like while an NMOS transistor set in the power feeding path on the side of the positive electrode of the battery is turned O... | 09/09/2008 |
| 7417402 | Non-contact type battery pack charging apparatus The present invention relates to a non-contact type battery pack charging apparatus using a magnetic field. In the non-contact type battery pack charging apparatus of the present invention, a main control unit (120) receives input data from a voltage comparis... | 08/26/2008 |
