Electricity: battery or capacitor charging or discharging inventions 04/06

20060087279 - Battery container for an electric vehicle: A battery container of an electric vehicle is installed on the battery container supporting stand of the electric vehicle body. The container is a composite type and formed through alignment and combination of first and second cases. There are connecting ports, mutually embedded and mounted, on the assembled sides of...

20060087280 - Battery pack for driving electric motor of compact engine starting device, engine starting device driven by the battery pack, and manual working machine having the engine starting device: This invention provides a battery pack for driving a compact electric motor of a compact engine starting device mounted on a working machine, comprising lithium-based secondary battery comprising two cells, the entire discharge capacity of the cells being 500 to 2000 mAh, charging voltage per one cell being 3.0 to...

20060087281 - Battery charger: A universal battery charger is described for accommodating a range of batteries. An adapter or connector is provided for each different type of battery which engages the standard housing including the main power supply. The adapter includes electronics which control the charging process, customised for each battery type. The adapter...

20060087282 - Implement rack and system for energizing implements: An inductive charging rack for providing electrical power to an implement includes a back, an inductive primary attached to the back, and a hanger for holding the implement. The rack may include a control for energizing the inductive primary and a transceiver for providing communication to and from the implement....

20060087283 - Cordless power system: A cordless system has cordless system components that include a cordless device, such as a cordless power tool, a battery pack and a charger. The battery pack is mated with either the cordless device to provide power to operate the cordless device or to the charger to charge the battery...

20060087284 - Cordless power system: A cordless system has cordless system components that include a cordless device, such as a cordless power tool, a battery pack and a charger. The battery pack is mated with either the cordless device to provide power to operate the cordless device or to the charger to charge the battery...

20060087285 - Cordless power system: A cordless system has cordless system components that include a cordless device, such as a cordless power tool, a battery pack and a charger. The battery pack is mated with either the cordless device to provide power to operate the cordless device or to the charger to charge the battery...

20060087286 - Cordless power system: A cordless system has cordless system components that include a cordless device, such as a cordless power tool, a battery pack and a charger. The battery pack is mated with either the cordless device to provide power to operate the cordless device or to the charger to charge the battery...

20060087287 - Voltage monitoring for connected electrical energy storage cells: A voltage monitoring circuit is connected to monitor voltage of fewer than all cells of a series stack of energy storage cells. The individual cell voltages in the stack are balanced using voltage equalizers, so that the voltage of any one cell or a combination of selected cells is indicative...

20060087288 - Battery charger: A battery charger includes a main body and a switch circuitry deposited in the main body. The switch circuitry circuit transforms alternating or direct current input into a desired direct current output with a pair of switches protruding from the main body to control the output into different voltage and...

20060087290 - Charging circuit for secondary battery: A charging circuit for a secondary battery includes a constant-voltage circuit part outputting one of a plurality of predetermined constant voltages and charges the secondary battery by applying the constant voltage thereto, a detection circuit part detecting a battery voltage of the secondary battery, and a control circuit part controlling...

20060087289 - Power supply device: A power supply device providing required power to a loading device. The power supply device includes a battery, an adjustable power converter and a control circuit. The battery, having a current meter, selectively outputs required power to the loading device. The power converter receives and converts an AC voltage into...

20060087291 - Method of controlling rechargeable battery power and a power source apparatus: The method of controlling rechargeable battery power is a method that includes limiting the amount of usable power during rechargeable battery charging and discharging, determining a rechargeable battery current-voltage characteristic function based on rechargeable battery charging and discharging current flow and voltage, finding a limiting discharging current Imax and/or a...

20060082343 - Cell voltage equalization apparatus for combined battery pack: In a combined battery pack of a plurality of battery cells, a comparison circuit compares a voltage appearing at a common connection point between two adjacent battery cells with a reference voltage. Based on a result of the comparison, an electric discharging operation of an electric discharging circuit connected between...

20060082344 - 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 provide a substantially constant current to charge the battery...

20060082345 - Rechargeable alkaline battery with overcharging protection: A rechargeable alkaline manganese (RAM) battery or battery pack comprising an overcharging protection circuit that allows the RAM battery or battery pack to be charged using a charging circuit designed for use with a different type of rechargeable battery, for example a NiCd or NiMH rechargeable battery. The battery of...

20060082346 - Charge controlling circuit, charge controlling method, and electronic device provided with same charge controlling circuit: A charge controlling circuit is provided in which a temperature of a main body of a portable cellular phone or an ambient temperature thereof is detected by a temperature sensor and, when the temperature is higher than or equal to an lower limit in a proper temperature range required by...

20060076921 - Constant-current battery charger: A constant-current battery charger includes a power supply for supplying a charge current to a secondary cell, and a current monitor for monitoring a charge current being supplied to the cell. A controller is included for varying the charge current in accordance with the monitored charge current. The controller calculates...

20060076922 - Contact-less power transfer: There is disclosed a system and method for transferring power without requiring direct electrical conductive contacts. There is provided a primary unit having a power supply and a substantially laminar charging surface having at least one conductor that generates an electromagnetic field when a current flows therethrough and having an...

20060076926 - Battery pack: A battery pack raises an alarm under overheated or high pressure conditions in the battery pack. The alarm is raised from the battery pack or an external device that is coupled with the battery pack when the temperature or the pressure of the battery pack exceeds a predetermined level. The...

20060076925 - Battery pack and battery-using equipment using battery pack: A concave portion serving as an erroneous insertion prevention groove is provided on a bottom of a battery pack along a battery pack attachment direction and an engagement concave portion engaged with an engagement member is provided in an battery-mounting equipment, whereby the detachment of the battery from the battery-mounting...

20060076923 - Methods and systems for assembling batteries: A large battery pack of specified voltage and capacity can be assembled from a plurality of identical small cells by dividing the specified capacity by a nominal battery module capacity to determine a desired number of parallel modules to be provided, dividing the nominal battery module capacity by a nominal...

20060076924 - Smart battery pack and method for recognizing battery type using the same: A smart battery pack and a method for recognizing the battery type using the same. The smart battery pack includes at least one battery cell coupled to an external set via positive and negative electrode terminals. A timer circuit is coupled to the external set via a data terminal and...

20060076927 - Package with product demonstration feature: Disclosed is a package for containing a battery-powered device having both a power switch and a safety button, where both the power switch and the safety button must be actuated in order to turn the product on. The package has integral means to maintain the safety button in a depressed...

20060076928 - Charger and integrated circuit: A charger of the present invention includes a charging transistor and a charging integrated circuit. The charging transistor is series-connected with a secondary battery to supply a charging current to the secondary battery. The charging integrated circuit is incorporated into a package having a higher heat releasability than that of...

20060076929 - Method of detecting state-of-charge of battery and power device: A method of detecting a state-of-charge of a battery detects a current of a battery and a voltage of the battery, calculating a state-of-charge of the battery as a first state-of-charge based on an integration of the current of the battery thus detected, while calculating the state-of-charge of the battery...

20060076930 - Overcharge/overdischarge detection apparatus, overcharge/overdischarge detection circuit, and semiconductor apparatus: The present invention provides an overcharge/overdischarge detection apparatus includes a detection terminal being in an open state, a detection part for detecting application of voltage to the detection terminal, a switch part for switchably connecting and disconnecting a secondary battery with an external circuit, and a control part for controlling...

20060076931 - Switching element and protection circuit using the same: Provided is a switching element including: first switching element primarily used for formation of a two-way current path; a second switching element that forms, at the time when the first switching element is turned off, a current path by switching a parasitic diode from another; and a third switching element....

20060076932 - Wireless communication terminal and battery pack for the same: A wireless communication terminal and a battery pack for the same are disclosed. The wireless communication terminal includes a battery pack having one or more battery cells supplying power to the terminal, wherein the battery pack includes a protective circuit senses an high temperature or pressure condition of the one...

20060076933 - Switching element and protection circuit using the same: Provided is a switching element including: a first switching element primarily used for formation of a two-way current path; and a second switching element that interrupts a parasitic diode at the time when the first switching element is turned off. The second switching element may be of smaller chip size...

20060076934 - Control circuit for charging/discharging of secondary cell and a sensor node: In a sensor node SN driven by a secondary battery, a charge/discharge control circuit can be realized and an unnecessary circuit in the sensor node can be eliminated for its miniaturization. The charge/discharge control circuit and the sensor node have a comparator for monitoring a battery voltage, a control circuit...

20060071630 - Hybrid power system: A hybrid power/propulsion system for a vehicle is provided that combines a fuel cell with a battery. A fuel cell, which uses a hydrogen and oxygen supply in fluid communication with the fuel cell, is combined with a battery system for power generation for a vehicle. The fuel cell is...

20060071631 - Charger/jumper method and apparatus: An apparatus for jumping and charging a remote battery. The apparatus includes a charger, positive and negative charge connectors operable to be connected to the remote battery, an auxiliary battery having positive and negative terminals, and positive and negative jumper connectors separate from the positive and negative charge connectors. The...

20060071632 - Efficient inductive battery recharging system: A method is provided for inductively charging a rechargeable battery of a portable device in a vehicle via a primary circuit that includes a primary inductive coil, a secondary circuit that includes a secondary inductive coil, and a rectifying circuit electrically coupled to the rechargeable battery. A primary coil is...

20060071636 - Battery pack: A battery pack with a housing and a plurality of cells disposed in the housing and electrically coupled to provide a storage capacity between about 2.17 and 2.67 ampere hours with an equivalent lithium content between about 6.5 and 8.0. The plurality of cells includes a first battery disposed in...

20060071633 - Electronic apparatus: An electronic apparatus is provided. A component part containing chamber provided in the inside of a case constituting an armor of an electronic apparatus is so configured that a rectangular plate-like battery can be mounted and dismounted via a rectangular first opening opened in the lower surface of the case....

20060071634 - Method and system for battery charging: 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 first battery terminal, a second battery terminal, and a battery cell having a present state of charge. The battery cell is coupled to at least...

20060071635 - Mobile communication terminal having usb interface unit therein: Disclosed is a mobile communication terminal having a universal serial bus (USB) interface unit therein and particularly, a mobile communication terminal in which a USB interface unit is mounted to a battery. USB contacts are formed at a board of a body and a battery, respectively, a USB interface unit...

20060071637 - Battery pack and its method of manufacture: A battery pack having no need to fill a gap between a bare cell and a protective circuit module includes a safety vent adapted to properly function even after molding has been completed and a PTC thermistor having characteristics which do not degrade during manufacturing processes. A bare cell, which...

20060071638 - Bottom exit strain relief: A charging unit for charging a battery of a power tool containing a base with a cavity defined by a side wall and a top wall, at least one protrusion extending from one of the side wall or the top wall, a cord, and a strain relief positioned around the...

20060071641 - Collapsible battery charger: A collapsible battery charger is provided for charging batteries each having a pair of contact terminals on opposite ends. The battery charger includes a housing structure having a first upstanding wall and a sliding tray having a bottom wall and a second upstanding wall which is generally parallel to the...

20060071640 - Fast-recovery circuitry and method for a capacitor charging power supply: A power supply with a high voltage current regulated output wherein input devices are gated ON and OFF to regulate the output current. The output current is coupled through a current limiting inductor to a high voltage fast electronic switch (E-switch) that turns ON and OFF much faster than the...

20060071639 - Method and circuitry for charging a capacitor to provide a high pulsed power discharge: An AC power source is coupled to a step-up transformer that provides a rectified DC output voltage to charge an intermediate capacitor. A high voltage electronic switch is turned ON and OFF by a control signal to couple and decouple the intermediate capacitor to the input of an inductor that...

20060071642 - Battery charger with protection circuitry: The charger includes a controller, a battery power source having at least two power settings connected to the controller, a power supply connectable to an outside power source, the power supply receiving a current and voltage from the outside power source for providing power to at least one of the...

20060071643 - Method and device for monitoring battery cells of a battery pack and method and arrangement for balancing battery cell voltages during charge: A battery monitoring device of a battery pack configured for powering a cordless power tool may include an integrated circuit connected to a microprocessor of the pack that is external to the integrated circuit, and which is connected to each of N battery cells of the pack. The integrated circuit...

20060071644 - Systems and methods for signal generation using limited power: A signal generator provides an output signal having a series of pulses and a pulse repetition rate. The signal generator includes an energy storage circuit and a switch control circuit. The energy storage circuit includes a switch operated by the switch control circuit. After delivery of a pulse of the...

20060071647 - Ac adapter which can be reduced in size and lowered in profile: In an AC adapter provided with a circuit board having first and second surfaces opposite to each other in a thickness direction, a transformer portion is mounted on the circuit board. A secondary capacitor is connected to an output side of the transformer portion. The secondary capacitor has a low...

20060071646 - Non volatile data storage through dielectric breakdown: A method is described that induced dielectric breakdown within a capacitor's dielectric material while driving a current through the capacitor. The current is specific to data that is being written into the capacitor. The method also involves reading the data by interpreting behavior of the capacitor that is determined by...

20060071645 - Status indicator for an energy storage device for use with an electric vehicle: 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 device also includes a sensor integrally mounted within the...