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7501789 |
Solar powered battery charger with voltage regulation circuit apparatus and method
The present invention relates to a solar powered battery charger with voltage regulation circuit and the method for recharging a car battery. The charger comprises an input port for receiving...
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7385374 |
Adaptive power system
A power system having an extended life and a system and method for extending the life of a battery powered device. In one embodiment, the method comprises providing a plurality of power sources and...
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6819079 |
Apparatus for prolonging rechargeable battery life and power in a wireless communicating hand-held system
An apparatus for prolonging rechargeable battery life and power in a wireless communicating hand-held system provides a possibility to enhance a power saving of the power supply in the wireless...
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6489743 |
Method for controlling an electric power plant associated with a temporally random power source
The method serves for the control of an electric power plant ( 2 ) associated with a power source ( 6 ) with temporally random availability, the plant comprising at least one battery ( 10 ) adapted...
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6204645 |
Battery charging controller
A controller for a solar electric generator that permits the generator to produce power substantially at its maximum capacity while also providing efficient charging at three charging stages; i.e.,...
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6111391 |
Controller for solar electric generator for recreational vehicles
A controller for a solar electric generator that permits the generator to produce power substantially at its maximum capacity. Power is transferred from the generator to a temporary electric...
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5959368 |
Power supply apparatus for supplying power from a plurality of batteries to a plurality of loads, and electronic appliance using the power supply apparatus
In a power supply apparatus including a plurality of batteries and a plurality of power supply portions for connecting to loads, a plurality of switches connect these batteries to these power...
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5825099 |
Uninterruptible power supply circuit
An uninterruptible power supply circuit has a first power supply unit for supplying a first power supply voltage; a second power supply unit for supplying a second power supply voltage which is...
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5726556 |
Charging state display apparatus
A charging state display apparatus has a first means for indicating a charging amount and a second means for causing the first means to indicate a charging amount from a restart of charging.
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5659465 |
Peak electrical power conversion system
An electrical power conversion system that supplies the maximum available output power from a power source such as a solar array to a plurality of loads such as rechargeable batteries. The output...
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5635816 |
Method and apparatus for controlling battery charging current
An automatic photovoltaic controller provides a fixed frequency, pulse width modulated charging current to charge and regulate a battery, the duty cycle of the charging current being controlled by...
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5631535 |
Regulator for charging a rechargeable storage device from a photovoltaic cell
A circuit regulates charging of a rechargeable storage device having a pair of device terminals by a photovoltaic cell having a pair of cell terminals. The circuit has a pair of input terminals for...
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5631532 |
Fuel cell/battery hybrid power system for vehicle
A hybrid type power source control system controls the output of a fuel cell, with disregard of the operation of the vehicle accelerator pedal, responsive to the detected amount of residual charge...
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5626976 |
Flexible energy storage device with integral charging unit
A flexible, conformal energy storage device (10) has a plurality of photovoltaic devices (40, 42, 44) formed integrally therewith. The energy source includes an anode, a cathode, and an electrolyte...
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5617002 |
Method of and apparatus for charging nonaqueous electrolytic battery
A charging method of and a charging apparatus for charging a nonaqueous electrolytic battery such as a lithium primary battery including a positive pole active material, negative pole active...
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5605769 |
Method and apparatus for supplying electrical energy to battery powered equipment
The invention provides method and apparatus for supplying electrical energy to battery powered equipment of the type utilizing removable batteries. The method of the invention includes the steps...
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5602457 |
Photovoltaic solar cell laminated in vehicle windshield
A laminated windshield in which thin solar cells are sandwiched between the glass layer. The solar cell is electrically connected to a vehicle battery to provide recharging current to the battery...
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5530335 |
Battery regulated bus spacecraft power control system
A system for supplying d.c. power to an electrical load, in which such load includes a rechargeable battery, is characterized by a plurality of power sources connected in common to the electrical...
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5517468 |
Electronic timepiece with thermoelectric element
In an electric timepiece using a small and thin thermoelectric element wherein a first insulator made of silicon is on the heat absorbing side and a second insulator made of silicon is on the heat...
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5479557 |
Circuit arrangement for power supply of a fan and/or battery by solar generator in a motor vehicle
Circuit arrangement for supplying power to a fan and/or battery from solar energy generator in a motor vehicle. A DC voltage converter using impedance matching between the solar energy generator...
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5439533 |
Photovoltaic device, method of producing the same and generating system using the same
An object of the present invention is to provide a photovoltaic device and a method of producing the photovoltaic device which can prevent recombination of photo-excited carriers and which permits...
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5438225 |
Solar powered annuciator
A combination shut-down trigger and annunciator may be advantageously powered by a photoelectric power supply. The shut down trigger and annunciator can include a fault detection unit responsive to...
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5196781 |
Method and apparatus for power control of solar powered display devices
An automatic power control device comprising a passive, non-linear voltage detector controlling a series bipolar transistor regenerative latch circuit, acts to connect the load to a power source...
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5164654 |
Solar energy operated automatic charge device for electric appliances
A charging device for accumulator-operated small electrical appliances, for example, electric dry-shavers, which are energized by rechargeable accumulators (24) which can be charged by means of a...
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5153497 |
Circuit for regulating charging of a storage battery by a photovoltaic array
A circuit for regulating the charging of a storage battery by a photovoltaic array includes a relay switch connected between the storage battery and photovoltaic array. An operational amplifier...
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4959603 |
Solar battery equipment
A solar battery system characterized by at least one solar cell for converting light energy to electrical energy which is stored in the system is provided. The solar cell is formed of a...
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4884017 |
Solar powered construction light
A recharging network for a solar powered construction light, including a solar powered battery, that recharges a storage battery at a constant rate and can be selectively operated to burn the light...
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4847546 |
Solar panel output enhancement circuit
A circuit for operation with solar panels exhibiting constant current and variable voltage characteristics. The power output of the panels is maximized by the circuit through the use of a step-down...
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4785226 |
Powder supply device with solar cell
A powder supply device with a solar cell is made up of a solar cell, a seconary battery, and a voltage control unit. The voltage control unit controls the output voltage of the solar cell, and...
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4626764 |
Photovoltaic battery charge controller
A voltage regulator is disclosed for a photovoltaic panel (PVP) battery cging system having a relay switch in series with a reverse current blocking diode disposed between the positive terminals of...
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4453119 |
Electrical charging control apparatus and method, and solar to electrical energy conversion apparatus incorporating such charging control apparatus
Electrical charging control apparatus regulates the charging of a rechargeable battery by a solar panel. The control of the charging is through a relay which when closed directly connects the...
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4401935 |
Charge control apparatus and method
Apparatus and method for controlling the charging of an electrical energy storage device by an electrical energy source and controlling the discharging of the device through a load involve a relay...
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4383211 |
Electrical charging and discharging control apparatus and method, and solar to electrical energy conversion apparatus incorporating such apparatus
Electrical charging control apparatus regulates the charging of a rechargeable battery by a solar panel. Selector apparatus can select a direct connection, through a relay, of the output and...
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4274044 |
DC-DC Converter for charging a battery by means of a solar cell
A DC-DC converter is described of the blocking oscillator type, for charging a battery from a solar cell. The use of a field effect transistor enables the oscillation to be started by the voltage...
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4136309 |
Power output control circuit for solar-powered cathodic protection system
Metallic structures located in an electrolyte, such as soil or water, for example, tend to corrode. In order to prevent metal loss from the structure due to corrosion, a D.C. current flow is...
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4134057 |
Device for enabling an accumulator to be recharged from a source of electrical energy
A device for enabling an accumulator to be recharged from a source of electrical energy, such as photo-cells. The device includes a converter circuit and a diode, the converter circuit being...
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4009051 |
Solar power pack apparatus
Solar power pack apparatus adaptable for powering emergency equipment at remote locations includes a solar cell array, a rechargeable battery pack, a long shelf-life primary battery pack and...
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3997830 |
Satellite battery reconditioning system and method
Reduction of battery effectiveness due to memory effect and unequal cell voltages is minimized by a spacecraft power control system which reconditions the battery preferably just prior to eclipse...
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3816804 |
BILATERAL POWER CONDITIONER FOR SPACECRAFT
A system, especially useful in near earth orbiting spacecraft, that either allows the craft's solar panel to charge the vehicle's battery at a relatively high but controlled charge rate while...
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3522507 |
RECHARGEABLE BATTERY AND CHARGE CONTROL CIRCUIT THEREFOR
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3493837 |
BATTERY CHARGE CONTROL SYSTEM
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3387199 |
Charge control system for satellite batteries
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3350618 |
Battery charging control
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3317809 |
Self-contained electrical lighting unit
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3127552 |
Photo-cell generator system for charging storage devices
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