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7622894 |
Status detector for power supply, power supply, and initial characteristic extracting device for use with power supply
In a status detector for a power supply, a power supply, and an initial characteristic extracting device for use with the power supply, a measuring unit obtains measured values of at least current,...
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7620834 |
Battery voltage sag avoidance algorithm for a wireless handheld device
A method and system for power source management of a portable device. A power source used to supply electrical energy for a portable device should ideally operate with a constant terminal voltage....
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7608940 |
Power supply device and method of controlling the same
A power supply device and a method for controlling the power supply device in which a fusion checking process for the cathode side relay and the anode side relay is easily performed within a short...
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7605567 |
Battery protecting circuit and battery with such protecting circuit
A protecting circuit for a battery used to power an electronic system includes a control circuit and a sensing circuit. The sensing circuit includes a tri-axial accelerometer having X, Y and Z...
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7573154 |
Battery operated portable electronic device having dual batteries
A battery-operated portable electronic device has a primary battery to provide energy to low current circuitry of the portable device, and a supplemental battery to provide intermittent bursts of...
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7560898 |
Apparatus and method for dual source, single inductor magnetic battery charger
A voltage regulation and battery charging system is provided. The system may include a switching regulator selection control circuit, two switching regulator controller circuits, two power...
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7541757 |
Motor vehicle
A system and method for operating an electrical supply network are disclosed. An exemplary embodiment couples a vehicle to the supply network, receives a trigger to cause a partial discharge of an...
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7522942 |
On-vehicle radio communication apparatus
In an on-vehicle radio communication apparatus, when the battery is in a voltage discharging state, every time a predetermined period pases, a current consumption value is updated for the radio...
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7508166 |
Charge condition adjusting apparatus
Providing a charge condition adjusting apparatus, which can shorten a time for equalization of each charge in unit cells, a low-voltage CPU selects each smallest unit cell in the each cell block,...
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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...
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7474103 |
Storage medium having game program stored thereon and game apparatus
At least one of continuous disconnection, intermittent disconnection, and temporary disconnection, of wireless communication between the input device and the game apparatus is detected. Remaining...
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7414382 |
Injector with continuous battery charger system
A battery charger system, for use with an injector system, comprises a power supply and a battery pack. The power supply converts AC power to DC power. The battery pack includes a battery and a...
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7402982 |
Energy storage type feeder voltage compensation apparatus and method of controlling feeder voltage
An energy saving type feeder voltage compensation apparatus improved in availability at low temperatures, wherein when a secondary battery is lower in temperature than a predetermined value, an...
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7375497 |
State of charge tracking system for battery systems
A battery control module for a battery system comprises a voltage measuring module that measures battery and a current measuring module that measures battery current. A state of charge (SOC) module...
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7328049 |
Pre-resource checking before file download
The availability of one or more resources consumable in operating a mobile terminal and in downloading a file or collection of files to the terminal is reviewed before the file or collection of...
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7190147 |
Battery with complete discharge device
A battery having a complete discharge mechanism includes a spring-biased switch with an element spring-biased from the switch and acts to close the switch when in a fully extended position. A block...
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7123033 |
Method and an apparatus to detect low voltage
A method and an apparatus to detect low voltage have been disclosed. One embodiment of the apparatus includes a main circuit powered at a supply voltage, wherein the supply voltage changes over...
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7071639 |
Electric motor control apparatus
An electric motor control apparatus suppressing power loss caused by driving an electric motor acting as a motor with a generated output of an electric motor acting as a generator. The electric...
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7041203 |
Apparatus and method for generating and using multi-direction DC and AC electrical currents
Multi-directional currents are generated in a medium by cyclically reversing the direction of a conventional current applied to at least one of at least two electrodes so that an electromotive...
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7028220 |
Methods for saving data on the basis of the remaining capacity of a battery in a suspend mode and resuming operations using the saved data
The present invention discloses a method for saving data including system status data stored in a memory to a backup server via a data communication network if the remaining capacity of the battery...
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6920404 |
Method of detecting residual capacity of secondary battery
Correlations between a residual capacity of a secondary battery and 4 parameters of an internal resistance, temperature, a discharge current and one of an open circuit voltage and a discharge...
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6900615 |
Battery discharge apparatus with light activated battery discharge circuit
An apparatus and method for discharging a battery includes a battery discharge circuit contained within the battery that, when actuated, discharges the battery. A light sensing circuit is...
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6897635 |
Method for predicting remaining charge of portable electronics battery
A remaining charge predicting method which improves the precision of predicting the remaining charge of a rechargeable battery. A battery pack has a measuring circuit which monitors a charge...
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6854066 |
Method and system to avoid battery sag by detecting momentary fluctuation in a periodic terminal voltage measurement and excluding the measurement from updated average terminal voltage
A method and system for power source management of a portable device. A power source used to supply electrical energy for a portable device should ideally operate with a constant terminal voltage....
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6850036 |
Method for checking power status of batteries
A method of checking power status of the batteries is disclosed. New batteries are first prepared for discharge tests with different discharge rates, and the standard discharge data for different...
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6828760 |
Electronic device that adjusts operation to accord with available power
In an electronic device, a method for adjusting the power consumption of the electronic device includes the steps of presenting a power adapter that supplies power to the electronic device. The...
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6812672 |
Electric charge control device and load driving device using the same
A load driving device of the invention includes an electric charge control unit 3 , which charges a low-voltage battery 7 with a direct-current voltage from a DC/DC converter 2 that converts a...
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6801015 |
Method and circuit arrangement for preventing the stand-by discharge of a battery-powered signal evaluation circuit of a sensor
A circuit arrangement for preventing the discharge of a battery powering a signal evaluation circuit while the circuit is in a stand-by mode, provided with a sensor for generating signals and means...
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6771047 |
Automatic battery discharging and charging technique to increase battery life
A technique for prolonging the life of a rechargeable battery in a computer is disclosed, wherein an automatic discharging and charging cycle occurs only during a time when the user does not...
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6717291 |
Capacitor-based powering system and associated methods
A system, capacitor having auxiliary cells, and associated methods for starting an engine is provided. The capacitor is an enhanced-power capacitor that provides enhanced cranking power. The...
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6710578 |
Power resource management in a portable communication device
A method for power resource management in a portable communication device includes a first step ( 200 ) of defining power profiles of a plurality of operational modes of the communication device. A...
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6691048 |
Power-source system, power supplying method and image capturing apparatus
A power-source system includes: a power source; a voltage monitoring unit for monitoring a voltage of the power source to detect that the voltage falls below a consumption-limit level below which...
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6661199 |
Power converters and related charging systems
A power charge system is provided for charging a plurality of portable electric devices. Each portable electric device has a charging port for receiving an operating voltage of the portable device....
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6660433 |
Lithium secondary battery and battery device comprising same
A lithium secondary battery comprises a negative electrode capable of intercalating/deintercalating lithium ion, a positive electrode made of a lithium-containing metal oxide as an active positive...
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6636751 |
Emergency power supply for cellular telephone
An electrochemical emergency power supply for a cellular telephone otherwise having a main battery. The emergency power supply, once activated, provides the cellular telephone with power for...
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6636019 |
Uninterruptable power supply with energy control
An uninterruptible power supply with energy control includes a source of direct current (DC) voltage and current with a battery coupled to an inverter. The output from the inverter is applied to a...
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6627337 |
Conversion of low rate energy into high rate energy by parallel discharging
An electrode configuration for use in a defibrillator battery to improve the battery capacity and its utilization efficiency by using a combination SVO cell and a CF x cell discharged in parallel,...
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6618681 |
Method and apparatus for predicting the available energy of a battery
A method of predicting by non-invasive testing the available energy of a battery at any state of charge by acquiring data of the parameters of internal resistance (IR), open circuit voltage (OCV)...
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6611126 |
Injection molding machine capable of reducing power consumption
A motor drive 50 of an induction motor IM includes an inverter section 20, a charger 60, a charging and discharging circuit 70 and a control section 80. The charger 60 is for storing...
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6570746 |
System and method of clamping a charger input when no charger is detected
A system and method is related to charger systems that require fault protection at an input terminal. A clamp circuit is activated when the power source is detected as disconnected from the system....
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6545446 |
Cellular phone equipped with a charging function
In a cellular phone of the invention, a rechargeable battery is used as a power supply to feed power to a second load and a regulator via a charging current detector circuit and a charging switch...
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6498459 |
Electronic equipment and battery unit
An electronic equipment is connectable to a battery unit which includes an electronic circuit and a battery, and is provided with a power supply circuit to supply a power supply voltage directly to...
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6463305 |
Power management system for cellular telephones
A cellular telephone power management system is described that can be actuated without the telephone becoming active for making or receiving calls. The management system provides the user with a...
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6414403 |
Power unit
A power unit having a built-in battery to supply voltage from the battery over a long period of time by utilizing fully the capabilities of the built-in battery. The power unit supplies electric...
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6404151 |
Electric vehicle drive
An electric vehicle drive has an electric machine which can be alternatively driven as a motor or as a generator and has a d.c. connection to which a supply voltage can be applied, from a first...
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6403251 |
Battery pack with multiple secure modules
A modularized power supply is presented employing individual electrochemical cells which are rendered inert when separated from a specified unlocking circuit. The cells are enclosed in a cell...
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6356057 |
Methods and apparatus for testing a powerability characteristic of a backup power supply
The invention is directed to techniques for testing a powerability characteristic of a backup power supply for a computerized device using a discharge circuit that is different than circuitry of...
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6346670 |
Solar battery system
A reliable, long lasting solar battery system capable of collecting and storing long-term data on charge and discharge is provided. The system includes a solar battery having a charge control...
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6329791 |
Power supply system and control method for the system
In a power supply system in which a load is connected to a battery, the battery is efficiently charged without degrading the characteristics of the load. When a load that deteriorates in...
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6297617 |
Battery charger and charge control circuit
A switch is controlled by a charging control unit. An inductor is provided between the switch and a secondary battery. An offset generation unit generates voltage V2 by adding an offset voltage V...
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