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6359419 |
Quasi-adaptive method for determining a battery's state of charge
A method and apparatus for determining the state of charge of a battery including determining a current-based state of charge measurement based on coulomb integration, determining a voltage-based...
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6356058 |
Method and apparatus for monitoring and maintaining a plurality of batteries
The invention relates to a method and apparatus for monitoring and maintaining a plurality of batteries by performing a normal analysis on all of the batteries, selecting a marginal battery,...
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6351099 |
Battery monitoring system with integrated battery holder
An apparatus for monitoring the condition of a battery. The apparatus includes a battery clip that is used to secure a battery to a battery connection and a battery monitoring IC. The battery...
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6344732 |
Electric energy charging control apparatus and method for hybrid vehicle
A controller predicts a requested state of charge/discharge corresponding to a future run of a hybrid vehicle. If it is predicted that the hybrid vehicle will be stopped and restarted, or will be...
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6344730 |
Method and apparatus for determining the remaining operating time of battery-powered appliances
A method and apparatus for determining the remaining operating time of an appliance powered by batteries or accumulators determine and indicate the remaining operating time by measuring and...
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6344731 |
Battery gauging device during battery charging
Disclosed is a battery gauging device during a battery charging, which is capable of gauging the charged capacity during a battery charging in a terminal. The device according to the invention...
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6337557 |
External universal battery charging apparatus and method
An external universal battery charging apparatus which can include external universal battery charger circuitry having at least one universal battery charger circuitry input and at least one...
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6335610 |
Method and apparatus for determining the operational energy cost of a hybrid vehicle
A method and apparatus 46 for dynamically and periodically determining the amount of energy expended by a hybrid vehicle 10. Particularly, apparatus or controller 46 dynamically computes the...
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6333620 |
Method and apparatus for adaptively controlling a state of charge of a battery array of a series type hybrid electric vehicle
A series type hybrid electric vehicle including a generator set having an internal combustion engine and a generator, a battery array and at least one electric motor includes a controller for...
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6331761 |
Battery charger capable of evaluating battery charge state based on the charging history of the battery
A battery charger (20) for charging batteries that evaluates the post-charge state of the batteries. A load resistor (70) is associated with each battery. After the charging of the battery, a...
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6329794 |
Information processing device and method for controlling power consumption thereof
A power supply section includes a capacity detector capable of detecting the remaining capacity in a battery and a controller issuing power consumption reduction instructions to independently...
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6329793 |
Method and apparatus for charging a battery
An apparatus for charging a battery, includes a first electrical connector configured to couple to a positive terminal of the battery and a second electrical connector configured to couple to a...
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6329792 |
Device and system for management of battery back up power source
The invention relates to a device for managing battery packs from which it is powered by measuring and monitoring the operating capacity of individual battery modules in a battery pack. A...
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6326770 |
Battery charging system apparatus and technique
A battery charging method (300) determines a current at which to start charging the battery which provides the capability for faster higher current sourcing capability. A start current(I start )is...
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6323622 |
Method and system for ensuring life-time of recharged battery inside portable electronic device
The invention is related to method(s) and system for ensuring lifetime of recharged battery built-in portable electronic device. The method comprises: receive a predetermined range of electricity...
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6320354 |
Method and apparatus for battery charging
A battery charging circuit comprises a recharge input and a recharge output with a switching element electrically coupled in series between the recharge input and output. A recharge controller...
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6316913 |
Low dissipation system and method for determining battery capacity and battery plant incorporating the same
A system and method for determining a capacity of a battery in a battery string that provides power to a load. In one embodiment, the system includes: (1) a power converter, having an input...
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6313608 |
Method and apparatus for charging a battery
A battery charger includes a first pair of electrical connectors configured to couple to a positive terminal of the battery and a second pair of electrical connectors configured to couple to a...
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6313609 |
Determining battery capacity using one or more applications of a constant power load
A system and associated methodology for quickly and accurately determining a remaining capacity of a battery. The system measures battery terminal voltage during each application of one or more...
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6314346 |
Control system for hybrid vehicle
A control system for a hybrid vehicle with an engine for producing a driving force for the vehicle, a motor for producing an assist driving force to assist the output from the engine, and a power...
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6313611 |
Low power indication circuit for lead acid battery pack
A lead-acid battery pack has an electronically-controlled power switch connected in series with the battery. A voltage monitor/controller is connected in series with a normally-open ON/OFF switch...
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6313606 |
Method and apparatus for detecting battery capacity
A method and apparatus for detecting the capacity of a battery wherein a voltage method of measuring the voltage of the battery, to calculate the capacity of the battery based on the correlation...
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6310462 |
Residual capacity measurement system for battery
After an initial capacity setter (13) sets the initial residual capacity immediately after the application of power as 100%, a full-charge voltage corrector (14) sets the full-charge voltage as the...
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6307351 |
Device and method for determining state of charge
A device for determining a state of charge of a battery with high precision regardless of deterioration of the battery. After fully charging the battery, the device sets the battery to an arbitrary...
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6307379 |
Rapid determination of present and potential battery capacity
Rapid determination of the condition or charge parameters of a battery, such as the present charge of the battery and the maximum charge capacity of the battery. A plurality of discharge pulses...
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6304060 |
Status indicator for battery charger
Apparatus for indicating multiple operating states of a battery charger is formed by first and second color light emitting circuits coupled to a control circuit and one of the output terminals of...
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6304087 |
Apparatus for calibrating electronic battery tester
A calibration fixture is provided for calibrating an electronic battery tester which has first and second battery tester Kelvin connections configured to couple to terminals of a battery. The...
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6304055 |
Method and apparatus for efficiently operating a hybrid vehicle
A method and an apparatus for operating a hybrid vehicle 10 which requires the creation of a state of charge value and which further requires the modification of the state of charge value in...
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6304471 |
System and method for assessing a capacity of a backup battery and power plant incorporating the same
For use with a power plant having a rectifier and a backup battery coupled to a variable load, a system for, and method of, assessing a capacity of the backup battery. In one embodiment, the system...
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6300763 |
Method of calculating dynamic state-of-charge within a battery
An apparatus and methods for determining dynamic state-of-charge of a battery that is subject to periodic charging and discharging within a system. Correction factors η are determined for various...
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6297618 |
Power storage device and method of measuring voltage of storage battery
A power storage device has a plurality of series-connected storage battery units, battery circuits associated with the storage battery units to control or monitor the storage battery units,...
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6294895 |
Power supply apparatus and power supply controlling method for use with electronic device
A power supply apparatus for supplying power from a battery to a plurality of functional blocks of an electronic device includes a battery capacity assigning means for assigning battery capacities...
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6294894 |
Rechargeable battery arrangement
A rechargeable battery arrangement in which total service capacity for discharge from full charging to a final discharge voltage varies according to discharge conditions for discharging charged...
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6291971 |
Method and apparatus for determining the charge balance of a storage battery for an operating system having a plurality of electrical consumers
In a method for detecting the charge balance of a storage battery for an electric drive vehicle by measuring and summing the charge and discharge currents over time, a plurality of current...
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6288518 |
Emergency supplemental charging device
A emergency battery charger includes a secondary cell contact structure for connecting a rechargeable battery to be charged (the secondary cell) with a primary cell power supply consisting of one...
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6285162 |
Controlled method for battery charging in electric vehicle for improving battery life
A method for controlling charging the battery of an electric vehicle, wherein upon commencement of charging, a current charged state of a battery is measured to calculate an anticipated charging...
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6285163 |
Means for estimating charged state of battery and method for estimating degraded state of battery
Means for estimating the charged state of a battery, capable of accurately estimating an SOC even though the battery repeats charging/discharging in short cycles. The charging/discharging current...
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6286109 |
Method and apparatus for reducing heat generation in a portable computer
A method and apparatus for controlling heat generation within a battery-powered portable computer. One aspect is directed to a computer including a battery, a battery charging circuit operatively...
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6285164 |
Means for detecting the integrated value of current flow, a means for detecting the value of current flow and a battery pack employing those means
An apparatus for detecting an integrated value of current flow. The apparatus includes an integrator having an integration capacitor, to which a current sensor voltage is inputted, for outputting...
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6275008 |
Battery capacity detection system with temperature correction
A battery capacity detection system according to the invention is provided with: a temperature sensor for sensing a temperature of the battery; a full-charge voltage calculation section for...
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6275007 |
Charging controller
A charging controller for charging a secondary battery by a dc source having a consumption current detector detecting a consumption current to the load; a charging current detector detecting a...
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6275042 |
Equipment for testing battery of electric device
An equipment is designed to test the residual characteristic of a battery set of an electric device. The equipment comprises a microcomputer main unit, an analog/digital converter, a decoder, at...
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6271647 |
Method and apparatus for estimating the service life of a battery
A computer program is provided. The computer program product includes a medium readable by a computer, the medium (1) having means for inputting a signal representative of a temperature range in...
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6271642 |
Advanced battery controller with state of charge control
Battery powered equipment is provide with a controller which monitors the voltage supplied by the battery. Should the battery voltage drop below a preset level when the equipment is inactive, the...
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6268712 |
Method for determining the starting ability of a starter battery in a motor vehicle
A method for determining the starting ability of the starter battery in a motor vehicle. The current and voltage of the storage battery are measured before starting is begun, shortly after starting...
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6265848 |
Battery state monitoring circuit and battery device
In a battery state monitoring circuit including a voltage regulator therein, power supply of the voltage regulator is applied from a higher voltage either of a battery or a charger. Also, when the...
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6265849 |
Electrical apparatus comprising a battery and method of detecting the disconnection of a battery
This apparatus includes a detector (60) for detecting a change of accumulator (21). Thus a counter (DECH) measuring the charge state of this accumulator may be re-initialized if the accumulator is...
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6255802 |
Apparatus and method for controlling battery charging with variable current
An apparatus provides a charging battery for variable currents. The apparatus comprises a first current sensor which transforms a current into a first signal; a controller which depends on the...
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6255801 |
System and method for assessing a capacity of a battery and power plant incorporating the same
A system for, and method of, assessing a capacity and/or age of a battery. In one embodiment, the system includes: (1) a voltage sensor, coupled to the battery, that develops a signal indicative of...
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6252377 |
Apparatus for detecting remaining charge of battery
The apparatus for detecting remaining charge of a battery, according to the present invention, comprises: current detector for detecting output electric current from and regenerative electric...
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