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7622896 |
Battery charging control terminal and temperature control terminal
The future intra-terminal temperature is estimated on the basis of present intra-terminal temperature and a present service state of the terminal. In addition, the charging of the battery unit is...
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7615969 |
Systems and methods for temperature-dependent battery charging
Systems and methods for controlling battery cell charge current based on the ambient temperature conditions to which battery cell/s of a battery are exposed, for example, to control battery cell...
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7615964 |
Rechargeable battery charging method
A method for charging a secondary battery with a constant current, in which a peak of output voltage is detected by utilizing a predetermined current value, and then the battery continues to be...
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7602147 |
Device, in particular a charger device
The present invention is directed to a device, in particular a charger device, with a measuring unit ( 10 ) for acquiring at least one battery characteristic value. It is provided that the device...
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7525290 |
Charge control device for executing a plurality of charge stages
A battery is charged in a number of states, with a change from a third charge stage to a fourth charge stage (e.g., final stage) is executed when a battery voltage reaches a change voltage or when...
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7504803 |
Charging method for rechargeable batteries and device therefor
A charging method and device for a rechargeable battery to make more stable and faster full charging possible. One embodiment of a charging method for the rechargeable battery includes charging the...
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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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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...
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7436152 |
Method and system for charge current control
A charge current control system is disclosed. One embodiment of the present invention includes a voltage detecting component that determines whether voltage stored by a load is at a voltage...
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7391183 |
System for controlling charging of secondary battery
To provide a system for controlling the charging of a secondary battery (battery), which is capable of keeping an initial charging/discharging characteristic of the battery in consideration of a...
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7365515 |
Universal battery charger
To provide a universal battery charger with low power consumption during a standby condition and a rush current suppressing capability at the time of commencement of charging, a voltage slightly...
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7272025 |
Method and apparatus to control either a regulated or an unregulated output of a switching power supply
Techniques are disclosed to control output power from a switching power supply. For example, a switching regulator according to aspects of the present invention includes a switch to be coupled to...
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7208917 |
Serial charger with the function of automatic change of charging speed for NICD/NIH batteries
A serial charger with the function of automatic change of charging speed for NiCd/NiH batteries is provided where the different charging modes for multi-speed (four speed) charging process, two...
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7202635 |
Method and system for charging a battery to a point less than initial maximum capacity
The invention concerns a method ( 200 ) and a system ( 100 ) for charging a battery ( 112 ). The method includes the steps of determining ( 214 ) a charge termination point for the battery, in...
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7151358 |
Multi-battery automatic charging circuit with individual regulator
A multi-battery automatic charging circuit with individual regulator is further provided with one secondary or more than one output interface to convert an AC source via a rectifier into a DC...
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7071655 |
AC adapter having a function for lowering and heightening an adapter voltage
Disposed in a secondary side circuit of an AC adapter ( 10 A), a−ΔI detection circuit ( 45 ) detects that a charging current (Ic) lowers less than a set current value to produce a detected...
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7061210 |
Controllable current trip-point detection circuit
A current trip point detection circuit includes a transistor, a series of resistors, an amplifier, a comparator, and a series of switching circuits. The first transistor and the resistors are...
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6998818 |
Charging circuit with two levels of safety
A battery charging circuit having two levels of safety protection is provided. The circuit is said to have “two levels” of safety because if any one component fails (either as a short circuit...
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6930469 |
Battery charger with a timed high-current stage
A battery charger includes a supply voltage unit supplying a power supply voltage, a constant current generator receiving the power supply voltage and outputting a substantially constant current,...
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6928372 |
Method for estimating time to full-charge in a rechargeable battery
A method for determining time to completion is provided for a battery charging system. The system preferably includes a charger having a microprocessor and a battery with a memory. The memory...
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6790243 |
Lithium-ion cell and method for activation thereof
A lithium-ion cell includes a carbonaceous anode and a lithiated metal oxide cathode, with a plastic spacer therebetween and liquid electrolyte containing lithium salts. The cell stands for a...
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6771046 |
Method and system for controlling charging of batteries
A method of controlling the charging of a secondary battery (battery) without deterioration of a charging/discharging characteristic of the battery. An ordinary charging portion performs a first...
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6649302 |
Temperature sensing device for use in secondary battery pack, and secondary battery pack incorporating the same
A temperature sensing device for use in a secondary battery pack includes an NTC element and a current limiter element. The NTC element is disposed at a predetermined position to sense the...
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6534957 |
Charging method for charging nonaqueous electrolyte secondary battery
An initial charging operation is carried out by a charging step composed of two-stages or more to improve an initial charging and discharging efficiency, reduce the charge of wasteful materials and...
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6522102 |
Multiple plateau battery charging method and system to charge to the second plateau
A battery charging method and system, the battery charging method comprising: charging at least one battery at a first voltage for a first time duration; charging the batteries at a second voltage...
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6518834 |
Circuit and method for reducing leakage current within an electronic system
A circuit for reducing leakage current through one or more output transistors ( 312 ) includes a capacitor circuit ( 302 ) and additional circuitry. The capacitor circuit ( 302 ) stores and...
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6515456 |
Battery charger apparatus
A system for actively controlling the charging profile of a battery uses a software-based alternator control unit to control the charging voltage. The system optimizes battery and alternator life....
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6462513 |
Method and apparatus for manually selecting battery charging process
A method for charging a rechargeable battery pack includes providing a charger having first and second charging processes, and manually selecting one of the first and second charging processes. The...
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6459238 |
Method for charging a battery pack including a plurality of battery units
A method for charging a battery pack including a plurality of battery units includes: a first step of charging the battery units with a first electric current at a first rate until an internal...
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6456046 |
Protection circuit for terminating trickle charge when the battery terminal voltage is greater than a predetermined value
A charge termination circuit which may be disposed within the battery cell pack and used in conjunction with known battery safety circuits to protect against charging conditions which reduce the...
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6424123 |
Battery charging system and charge control apparatus
In a charging system used in a computer system employing a rechargeable battery, the number of charging/discharging cycles of the battery is detected based on a charging amount of the battery by a...
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6424120 |
Asymmetrical charger
An improved asymmetrical charger for charging a plurality of batteries of different capacity and voltage values, and automatically judging the residual power capacity and charge saturation level of...
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6414465 |
Method and apparatus for charging a lead acid battery
A battery charger for a lead acid battery having a power supply with an input connected to an AC signal and an output connected to the battery. The power supply provides a charge current to the...
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6392384 |
Storage battery charger and method for controlling the charging process
A battery charger for charging at least two storage batteries, comprises: a first charging pocket for receiving a first storage battery; a second charging pocket for receiving a second storage...
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6373224 |
Battery accumulating apparatus
In a battery accumulating apparatus, a charge current I 1 from the charging solar battery 9 is supplied to the storage battery 5 through the switch 10 , and charges the storage battery 5 ....
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6362602 |
Strategy to control battery state of charge based on vehicle velocity
The present invention is to provide an improved strategy for actively controlling battery state of charge (SOC) as a function of the vehicle's kinetic energy. A vehicle system controller (VSC) can...
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6348777 |
Power management system
In a power supply of a patient care system, a power management system monitors the temperature of an off-line switcher and adjusts the amount of current supplied by the off-line switcher to operate...
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6337560 |
Life cycle charging for batteries
A method and apparatus for extending the cycle life of a battery by using different charge voltages or different current cut-offs to recharge the battery during the course of the battery's life....
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6333621 |
Method of fast-charging of a rechargeable battery
In the method of fast-charging of a rechargeable battery, full-charge state is determined on the basis of a peak battery voltage or a decrease ΔV in the battery voltage after the peak voltage. At...
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6333619 |
Cyclical battery charger with incremental and decremental current and a method of operation thereof
A battery charger, a method of charging a battery and a battery plant incorporating the battery charger or the method. In one embodiment, the battery charger includes: (1) a battery voltage monitor...
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6326769 |
Limitation of power dissipation in Li battery
A method and apparatus for charging a rechargeable battery in which a constant current is first applied until the rated voltage of the battery is reached, followed by a period during which a...
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6278258 |
Implantable power management system
The method and system for managing power supplied from a charging circuit to a power source in an implantable medical device comprises the steps of and circuitry for: measuring the current drain of...
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6252373 |
Apparatus for rapidly charging and reconditioning a battery
Apparatus for rapidly charging a battery including an output adapted to be electrically connected to a battery and a control device electrically connected to the output. The control device includes...
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6218804 |
Vehicle including engine stopping/starting control unit
An engine stopping/starting control unit having improved accelerating performance. A charging limiting device is provided which limits the charge provided to a generator when the vehicle is...
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6215282 |
Battery charging system employing multi-mode low power fast charge process
An especially low power, fast completion battery charge process varies the voltage, current, and time of charging a battery according to the battery's state of charge. Initially, a battery charger...
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6204638 |
Method for charging capacitor
A capacitor can be charged at a high speed by applying a direct current voltage intermittently to the capacitor. The direct current voltage is intermittently applied to the capacitor such that a...
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6194874 |
System and method for maintenance charging of battery cells
A method and apparatus for maintenance charging a battery is disclosed. A battery is fully charged using conventional CC-CV techniques and subsequently is maintenance charged by applying a first...
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6160377 |
Battery charging device and method and electronic device
A battery charging device which charges a plurality of batteries includes a charging part which supplies a charging current, and a control part which controls the charging part so that the...
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6147473 |
Electric car battery pack charging device and a method
Disclosed is a device and method for charging an electric car battery pack that charges by receiving power and discharges to supply power. A battery charging controller controls charging the...
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6133712 |
Battery charge controller having an adjustable termination current
A battery charge controller has charge termination values that can be adjusted according to the initial charging current values so that charging is discontinued at a same charge level for all...
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