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7622893 |
Method and apparatus for measuring the voltage of a power source
Various concepts and techniques are disclosed for measuring the voltage of a power source. An apparatus includes a voltage metering circuit and a transformer having a first winding coupled to the...
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7619386 |
Battery pack, charging control method, and application device
A battery pack having a secondary battery and a circuit that controls charging and discharging of the secondary battery is provided. The battery pack has a computer and a charging control section....
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7618741 |
Battery pack, charger and terminal block arrangements for cordless power tool system
A battery pack, charger, and terminal blocks for the pack, charger and a cordless power tool are provided. The pack includes battery cells disposed between end caps within a bottom housing of the...
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7609025 |
Kit of power tools
A kit comprising a plurality of power tools configured to operate at different voltages, a plurality of receivers configured to provide different output charging voltages and means for selectively...
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7602150 |
Battery device for electronic apparatus with rechargeable secondary battery, fuel cell and run time computing unit
A battery device for an electronic apparatus includes a rechargeable secondary battery, a fuel cell, and a run time computing unit receiving data representative of a voltage versus...
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7592773 |
Portable self-contained electric power tool
A portable self-contained electric power tool unit, includes at least three distinct sub-assemblies. The tool is characterised in that the second sub-assembly ( 3 ) may be carried by the user and...
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7589495 |
Battery pack with switching device
The battery pack is provided with communication lines that connect with attached electrical equipment, a temperature-sensing element that connects with a communication line, a switching device that...
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7586289 |
Complete discharge device
An apparatus and method for completely discharging a battery by use of a tab that initiates activation of a discharging circuit when the tab is pulled out of the battery case. The tab is...
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7579809 |
Rechargeable wireless adapters
Charging a battery is disclosed. An electrical connection is formed between a wireless adapter having a battery and a host. The wireless adapter is configured to be able to be removably coupled to...
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7579808 |
Battery pack having IC tag for detecting modification
A battery pack includes an IC tag carrying predetermined information. The IC tag stops functioning when the battery pack is disassembled or modified so that recorded information cannot be read out,...
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7570025 |
Apparatus and method for monitoring battery pack
A battery pack monitoring apparatus for and method of monitoring various characteristics of the battery pack such that when the battery pack malfunctions, the exact reason for the malfunction can...
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7570017 |
Rechargeable battery pack for a power tool including over-discharge protection
A battery pack for a power tool has a less-current consuming over-discharge protection. The battery pack includes a battery stack composed of a plurality of series connected secondary cells, and a...
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7570010 |
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...
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7567058 |
Power tool having a main body and a battery pack detachably attached to the main body
A power tool includes a power tool and a battery pack detachably attached to the power tool, the battery pack having two engaging portions to be mechanically coupled to the power tool and the power...
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7564215 |
Auxiliary body with securing mechanism and portable electronic device using the same
A portable electronic device includes a main body defining a locking hole therein and an auxiliary body having a latch therein. The latch includes a button, a slider, and a spring member positioned...
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7557535 |
Lithium-based battery for a hand held power tool
A method for conducting an operation including a power tool battery pack. The battery pack can include a housing, a first cell supported by the housing and having a voltage, and a second cell...
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7557534 |
Power tool, battery, charger and method of operating the same
A power tool battery, battery charger, and a method of operating the same. The battery and the charger can be lockingly engageable with each other. The battery can be electrically coupled to a...
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7554290 |
Lithium-based battery pack for a hand-held power tool
A method for conducting an operation including a power tool battery pack. The battery pack can include a housing, a first cell supported by the housing and having a voltage, and a second cell...
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7554287 |
Device for locking an electric tool with a rechargeable battery pack
A device for locking an electric tool with a rechargeable battery pack has at least one locking bar mounted on one element selected from the group consisting of the electric tool and rechargeable...
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7541774 |
Battery charger having oblique coupling rails
A battery charger with an improved battery retention system is provided. The battery charger includes at least one pocket having a bottom and sidewalls. A pair of battery engagement rails, or...
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7541773 |
Battery-powered tool capable of detecting discharged battery pack
In order to prevent a battery pack from being overly discharged during use in a power tool, a discharge voltage limit circuit is provided. The circuit disconnects the battery pack from the motor...
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7541771 |
Rechargeable battery and method of assembly
An exemplary battery pack comprises a battery cell having a first terminal and a second terminal disposed on a first end of the battery cell. A support member is attached to the first end of the...
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7538518 |
Method for detecting a defective charger circuit
In a method and system for detecting charger failure, a battery is operable to receive a charge from the charger via a pair of terminals. The battery includes an analog front end (AFE) coupled to...
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7535196 |
Power apparatus and electronic equipment for cellular phone having main battery and attachable battery
A lock key is unlocked in a state where a cellular phone is processing a call and using an external battery as the power supply. A “HIGH” signal is inputted to a connection detection circuit...
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7534065 |
Device for locking an electrical device to an accessory part
A device for locking, an electrical device to an accessory part has a guide configured to guide the accessory part in a predetermined movement direction as it moves between a locking position in...
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7531985 |
Pack case for secondary battery
A pack case for a secondary battery. The pack case includes a frame member having a rectangular shape and a mounting ledge at an inner wall thereof. The pack case includes a dummy block mounted...
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7528573 |
Rechargeable battery having bare cell and protection circuit module
A rechargeable battery including a bare cell with an electrode assembly having two electrodes and a separator, a case for storing the electrode assembly, a cap plate for covering an opening of the...
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7511455 |
Power supply unit having uniform battery characteristic
A component box has a shape of a substantially flat plate, and is stacked along a direction UPR toward the ceiling of a vehicle with its center placed at a central portion of a casing for a battery...
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7508165 |
Cell voltage equalization apparatus for combined battery pack including circuit driven by power supplied by the 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...
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7508164 |
Battery pack having control devices of differing heights
A battery pack including a compact controller for controlling a battery group. The battery pack includes a battery group, a controller for controlling the battery group, and a case for...
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7508163 |
Portable AC power supply with multiple uses
The present invention consists of a highly versatile AC portable power supply which can be used in a variety of situations to power 110 V AC common household devices, including holiday lighting or...
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7504799 |
Battery pack
A battery pack 100 has plural battery modules 110 each of which constituted with plural unit cells 120 arranged in a row. Furthermore, a spacer 130 intervenes between adjoining battery...
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7495415 |
DC backup power supply system
A DC backup power supply system having a battery a charge-discharge circuit for charging and discharging a power between the battery and a DC line and a control circuit for controlling the...
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7492121 |
Smart battery 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...
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7489952 |
Battery charging assembly
A battery charging assembly for charging a battery of a mobile device includes a charging unit, an output assembly and an input assembly. The charging unit has a power converter for converting an...
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7486048 |
Implantable power module for powering a medical device
Disclosed is a medically implantable integrated biocompatible power module incorporating a power source (e.g., battery), a power management circuit (PMC), a magnetically inductive coupling system...
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7479758 |
Battery pack casing with lock type connector
Disclosed herein is a battery pack having locking members formed at an upper cover and locking grooves formed at a case body such that the locking members can be engaged in the corresponding...
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7479346 |
Battery pack
The battery pack includes bus lines connecting a plurality of source trains in parallel. Each source train includes a plurality of voltage sources connected in series. Each voltage source includes...
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7477039 |
Method and apparatus for charging a portable electrical device
A portable electrical device requiring periodic recharging mates with a corresponding charging device by dropping or placing the portable device on or in the charger without pre-alignment by the...
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7474076 |
Secondary battery with positive temperature coefficient (PTC) safety element
A secondary battery includes an electrode assembly having a separating plate interposed between an anode plate and a cathode plate. A container receives the electrode assembly together with an...
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7471066 |
Battery management and equalization system for batteries using power line carrier communications
A battery charging system uses power line carrier communications, for communicating battery state information associated with charging batteries, between a battery charger and a battery management...
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7466995 |
Mobile communications terminal having malfunction-preventing function
A mobile communication terminal having a malfunction-preventing function is provided, including a keypad; a voltage source which is activated by voltage supplied to an EN terminal, processes...
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7466103 |
Battery module
The invention provides a battery module including an output breaker that ensures safe and prompt installation of batteries in a system. The battery module includes one or more batteries and a case...
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7466102 |
Battery unit and vehicle equipped with such a battery unit
A battery unit for a motor vehicle, especially an electric-powered or hybrid-powered motor vehicle, includes at least one row of a plurality of separate but linked battery cells. Each cell has...
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7463007 |
Battery pack housing and packaging
A battery pack with a first battery and a second battery, wherein each battery is a plurality of cells connected in series, and operable in a storage mode and a use mode, a storage mode defined by...
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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...
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7456607 |
Charging apparatus with self cleaning charge and discharge zone
A charging unit including a charge contact and a spring in contact with the charge contact for charging a rechargeable device. The charge contact slidably engages with a charging surface of the...
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7453234 |
Battery pack—cordless power device interface system
A battery pack for a cordless power and a cordless power tool and battery pack includes the battery pack having a modular interface section that interfaces with the power tool and a battery cup...
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7449863 |
Battery pack and charger with memory having operating permission and image data recording means
A battery pack that includes a data storage unit capable of storing data processed with an electronic device and a data control unit for controlling reading, writing, deleting, and duplicating of...
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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...
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