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9000552 Semiconductor integrated circuit device having analog circuit separated from digital circuit using resistive and capacitive element regions  
In a semiconductor integrated circuit device including a digital circuit region in which a digital circuit is formed, and an analog circuit region in which an analog circuit is formed, the analog...
8970171 Battery conditioner with power dissipater  
The present application is directed to a power dissipation apparatus including a conductive trace formed on a substrate and to methods of using the power dissipation apparatus. The power...
8854012 Management of high-voltage lithium-polymer batteries in portable electronic devices  
The disclosed embodiments provide a system that manages use of a battery corresponding to a high-voltage lithium-polymer battery in a portable electronic device. During operation, the system...
8854003 Technique for rapid battery capacity testing  
A method of rapidly testing the discharge capacity of a battery comprises discharging the battery at a first discharge rate until a first cutoff potential is reached, relaxing the battery during a...
8847785 Method and apparatus for reducing battery passivation in a meter-reading module  
The teachings herein disclose a method and apparatus for preventing excessive battery passivation in an electronic meter-reading module. The module operates in a low-power state most of the time....
8823327 Electrical device and battery management method thereof  
A battery management method of an electrical device, including an internal power source and a battery management unit, includes the following steps. The battery management unit detects whether the...
8729862 Controlled regeneration of solid electrolyte interface for prolonged cycling of lithium batteries  
A system implements a first charging method or a second charging method during one or more charge cycles of a battery. The first charging method includes a first voltage charging level and the...
8694185 Discharge control apparatus for electric vehicle  
A discharge control apparatus in an electric motorcycle includes a main battery; a motor driven based upon electric power supplied from the main battery and a lighting device that is a load other...
8682517 Power supply system, vehicle with the same and charge/discharge control method  
A vehicle starts traveling in an EV travel mode. When a reset request is issued to a first power storage unit, current control is performed to discharge actively the first power storage unit....
8564242 Battery charger capable of performing a full or partial state of health evaluation of the battery based on the history of the battery  
A rechargable battery with an internal microcontroller. The microcontroller contains a memory in which data regarding the environment to which the battery is exposed are stored. These data are...
8560139 Automatic flow control apparatus  
An automatic flow control apparatus includes a solar cell module that provides a received light signal, an energy storage module, a charging circuit, a regulating module, a control module, a...
8527224 Apparatus using a battery  
An apparatus using a battery includes a receiving unit, a determination unit and a calculation unit. The receiving unit receives a dischargeable capacity, a first voltage and a second voltage from...
8519672 Desulfation device and desulfation method  
A desulfation device 10 drives its switching circuit 140 by using a pulse wave drive signal having a pulse width of 1.6 ╬╝sec and a frequency of 20000 Hz. The switching circuit 140 is switched on...
8463565 LED flashlight with battery life indicator  
A flashlight includes a light powered by a battery, and a circuit having: a memory for storing a battery life information and voltage output information versus time for the battery to power the...
8456134 System and method for applying a plurality of energy pulses to a cathode for rapid depolarization of batteries  
According to an embodiment of the disclosure, a system for conditioning a battery include a pulse generator and a use sensor. The pulse generator is configured to apply a plurality of energy...
8421414 Mobile electronic device and power management method of battery module thereof  
This invention relates to a mobile electronic device and a power management method of a battery module thereof. The mobile electronic device includes a battery module, a charging/discharging...
8392131 Portable electronic device and method for controlling the same  
Provided are a portable electronic device which accurately judges service life of a battery even when the battery is replaced, and a method for controlling such portable electronic device. A...
8373419 Lifetime estimating method and deterioration suppressing method for rechargeable lithium battery, lifetime estimating apparatus, deterioration suppressor, and battery pack and charger using the same  
In a lifetime estimating method for a rechargeable lithium battery, the open circuit voltages of the rechargeable lithium battery after discharging for at least two different charge/discharge...
8344732 Measuring system  
There is provided a measuring system capable of rendering a power source voltage of an internal circuit higher than a drivable voltage of the internal circuit by removing or reducing a chloride...
8330414 Contactless battery charger, electronic device, battery pack, and contactless charging system  
A contactless charging system is made up of an electronic device and a contactless charger 200 that recharges the electronic device in a contactless manner. The electronic device transmits a full...
8332169 Apparatus and method for estimating state of health of battery based on battery voltage variation pattern  
An apparatus estimates SOH of a battery based on a battery voltage variation pattern. A data storing unit obtains and stores battery voltage, current and temperature data from sensors, at each SOH...
8237408 System and method of limiting degradation of the battery by prohibiting over-charge with measured temperatures  
A battery charging apparatus and method adapted to reduce battery capacity as a function of increased temperature thereby permitting partial charges at temperatures in excess of manufacturer's...
8232769 Passive battery discharge device  
A passive battery discharge apparatus located within a cap. The cap extends over battery contacts to be discharged. The discharge apparatus includes a conductive material with specified volumetric...
8159185 Battery charger and control method therefor  
A battery charger capable of correcting the deterioration of a secondary battery left unattended in a charge state and capable of accurately grasping a residual capacity. A battery pack having a...
8159195 Overvoltage protection circuit for use in charger circuit system and charge circuit with overvoltage protection function  
The present invention discloses an overvoltage protection (OVP) circuit for use in a charger circuit system, comprising: a power transistor electrically connected between a voltage supply and a...
8120324 Method and apparatus to provide battery rejuvenation at or near resonance  
A system and method adapted to rejuvenate batteries at or near the resonant frequency of the battery. The present invention takes a battery and applies a modulated current charging signal to...
8046181 Apparatus and method for estimating state of health of battery based on battery voltage variation pattern  
An apparatus estimates SOH of a battery based on a battery voltage variation pattern. A data storing unit obtains and stores battery voltage, current and temperature data from sensors, at each SOH...
7998609 Secondary cell replacing method  
In a pre-replacement process, a replacement battery module is provided with a memory effect before being dispatched, by performing at least one of the process of performing a cyclic...
7880437 Quick conditioning memory backup battery  
A quick conditioning cycle system to avoid performance degradation at the end of calibrating cycle. The quick conditioning cycle system discharges a battery to a level where battery remaining...
7872448 Power supply system and portable equipment using the same  
A power supply system for portable equipment has a lithium-ion secondary battery as a power supply, a temperature detection portion for detecting a temperature of the power supply, a voltage...
7834589 Apparatus and method for bucking voltage of battery pack  
An apparatus and method for discharging a voltage in a battery pack. The apparatus includes a discharge resistance connected to a discharge target battery of plural batteries in the battery pack...
7710072 Discharge circuit  
According to the invention, an apparatus for robust battery discharge which provides uninterrupted power to a discharge circuit used in a discharge cycle is disclosed. The apparatus may have a...
7564220 Method and electronic circuit for efficient battery wake up charging  
A method for efficiently charging a battery. The method includes producing a first signal having a voltage level dependent on the voltage of the battery, comparing the voltage level of the first...
7518340 Method and system for charge rate adjustment to enhance battery cycle life  
Methods and systems are disclosed for charge current adjustment to enhance battery cycle life thereby allowing batteries to be charged quickly without accelerating the aging process of the...
7486051 Charging and discharging control circuit, and charging type power supply device  
A charging and discharging control circuit controls charging and discharging of a secondary battery by monitoring at least one of a voltage across, and an electric current through, the secondary...
7332892 Method for predicting the voltage of a battery  
The present invention discloses a method for predicting the voltage of a battery, in particular a vehicle battery. The method according to the invention makes it possible to predict a voltage drop...
7197487 Apparatus and method for estimating battery state of charge  
A method for training a support vector machine to determine a present state of charge of an electrochemical cell system includes choosing a training data, preprocessing the training data, finding...
7193394 Method of controlling charge and discharge of secondary battery for automatic guided vehicle  
To provide a method of controlling charge and discharge of a secondary battery for automatic guided vehicle that can decide the timing of refresh charge and discharge accurately and minimize the...
7129675 System and method for battery charging  
A method for charging a lead acid storage battery to advantageously extend its life is described. The termination of a charging process is based upon an evaluation of the first derivative (dv/dt)...
6956487 Battery charging status indication circuit  
This invention includes a circuit for displaying charge status to a user. The circuit includes circuitry for comparing a supply or reference voltage to a cell voltage, circuitry for sensing...
6844703 Battery cell balancing system  
A battery cell balancing system (12) for a battery (30) having a plurality of cells (32) is provided. The system (12) includes a power supply (38) and a plurality of transformer/rectifier circuits...
6765368 Electrical energy apparatuses, electrical energy conditioning circuits, and electrical supply methods  
Power supply apparatuses and methods of supplying electrical energy are provided. According to one aspect, a power supply apparatus includes an electrochemical device configured to store...
6700352 Dual capacitor/battery charger  
A power charger which charges and provide conditioned power from at least one of a super-capacitor and a secondary battery. The type of energy device is user selectable, such that the user can...
6700383 Method of detecting and resolving memory effect  
A method of detecting and resolving a memory effect capable of detecting the memory effect with ease and with high precision and resolving even when the vehicle is in motion is provided. A current...
6661201 Method for controlling battery charge and discharge  
The present invention provides a method for controlling battery charging and discharging in which a battery is charged and discharged such that a SOC (state of charge) value of the battery is...
6600293 Battery control system  
A battery control system capable of relatively smoothly canceling memory effects caused to a battery mounted on a hybrid vehicle, while avoiding deterioration of the battery and vehicle...
6566844 Method and apparatus for extending the functionality of a battery  
A method to extend the functionality of a battery, the method comprising drawing a current greater than the minimum rejuvenation current from the battery thereby increasing a functionality of the...
6469473 Method and apparatus for using pulse current to extend the functionality of a battery  
A method to extend the functionality of a battery, the method comprising drawing power from the battery, and repetitively drawing a current pulse greater than the minimum conditioning current from...
6465988 Charging/discharging control device and method for canceling memory effect in secondary battery  
A device and a method are provided in which memory effects can be cancelled by controlling charging and discharging of a secondary battery during driving of a vehicle. When a memory effect...
6441584 Charge maintenance system for lead-acid battery  
A charge maintenance system for a lead-acid battery includes a charger, a voltage monitor, and a load/switch series combination, all connectable in parallel across the battery terminals, the...

Matches 1 - 50 out of 102 1 2 3 >