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4314198 |
Solar power source for a lighting system
A solar recharged power supply circuit for a lighting system which circuit includes a rechargeable power source, a solar powered recharger connected to that rechargeable power source and which...
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4313078 |
Battery charging system
A highly efficient battery charging system in which the ampere-hour discharge of the battery is sensed for controlling the battery charging rate. The battery is charged at a relatively high charge...
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4311953 |
Charger using one or more solar batteries
A charger, which is useful to power a variety of compact type electronic appliances such as an electronic wristwatch, includes one or more solar batteries as a primary battery, and a sealed type...
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4306183 |
Voltage regulation circuit for a solar cell charging system
A voltage regulation circuit includes an active integrator circuit which generates an output signal representing the time integral of the error between the voltage across a load and a reference...
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4293808 |
Battery charging device employing solar cells
A device utilizing solar energy cells to charge a battery or a plurality of batteries. An array of solar cells is disposed on a container having lid and tray parts. The parts are electrically...
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4291266 |
Device for charging an accumulator from an electrical energy source more particularly for an electronic watch
The invention relates to an electronic device for charging an accumulator from an electric energy source, more particularly one or more solar cells, intended in particular for an electronic...
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4287465 |
Apparatus for regulating the charging of a storage battery
An aleatory source of energy, e.g., a battery of photocells (1), supplies energy to a load (5) and to a storage battery (3). When the source is supplying more energy than is being drawn by the...
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4281278 |
Redundant battery protection system
A satellite power system in which solar cells provide power to a load during sunlight hours and also charge, through regulators, rechargeable batteries which provide power during dark periods. In...
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4277737 |
Method of and means for utilizing rechargeable batteries in the operation of electric vehicles
The engine of an automotive vehicle is powered by an assembly of electric batteries which are recharged from time to time, on standstill or during driving, from various sources including a set of...
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4266178 |
Charge control circuit
A charge control circuit for regulating the current applied to a secondary battery utilized as a power supply in an electronic instrument is provided. The secondary battery is adapted to be charged...
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4243928 |
Voltage regulator for variant light intensity photovoltaic recharging of secondary batteries
A simplified voltage regulator circuit permits varient light intensity photovoltaic recharging of secondary batteries. The regulator circuit electronically shunts serially connected regions of a...
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4240021 |
Solar cell battery charging control system
A solar cell battery charging control system having a storage battery and a plurality of solar cells connected in series for charging the storage battery, which system comprises a heavy load means...
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4213292 |
Thermoelectrically-powered wrist watch
A thermoelectrically-powered wrist watch in which thermal energy picked up by the metal back of the watch casing is transferred to the hot pole of an electrothermal generator housed within the...
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4209735 |
Solar battery powered electronic calculator
A solar battery panel is installed on an electronic calculator through an arrangement formed on a rear casing of the electronic calculator or on a glass substrate supporting a display unit, a...
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4209346 |
Solar energy recharger
A portable power supply including a rechargeable battery, an array of solar cells, a heat sink thermally engaging the cells and the batteries for transmission from the former to the latter, and a...
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4204147 |
Power transfer apparatus
A power transfer apparatus includes an impedance matching system coupled between a variable voltage source, e.g., a solar cell array, and a load. A parameter of the load indicative of the power...
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4165477 |
Instrument intended to be carried at the wrist
A wrist carried instrument includes a rechargeable electric energy source for providing power to the instrument. The energy source is recharged by a pair of generators, both operatively coupled to...
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4164698 |
Battery charging circuit
A circuit for use in charging a battery from a current source, such as a solar cell, includes a Zener diode, a current limiting resistor in series with the Zener diode, and a switch which shunts...
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4084124 |
Method and apparatus for conditioning of nickel-cadmium batteries
A method and apparatus for reconditioning batteries utilizing a DC-DC converter. During a discharge of the batteries, each cell is monitored by the converter. When the voltage of a cell decreases...
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4080221 |
Solar cell electric and heating system
A system for converting solar energy into electric energy at reduced cost makes use of an array of light sensitive, voltage producing solar cells of the flat disc silicon type. To increase power,...
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4056764 |
Power supply system having two different types of batteries and current-limiting circuit for lower output battery
A system constituted at a relatively large capacity and low output first battery such as a fuel cell, a smaller capacity and higher output second battery, and a current-limiting circuit for...
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4017725 |
Solar powered portable calculator
A portable calculator utilizing a solar panel array which can be either slidably moved within the calculator's housing or pivotly connected to it and which when exposed to incident light provide...
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3987352 |
Method of charging storage battery in power supply system having another battery of larger capacity
In a power supply system constituted of a relatively high output and small capacity first battery such as a lead or alkaline storage battery and a lower output and larger capacity second battery...
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3979656 |
Battery charging circuit
A battery charging circuit for effecting efficient charging of a battery by a solar energy source is provided. A voltage detecting circuit is coupled in parallel with a battery for detecting each...
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3971454 |
System for generating electrical energy to supply power to propel vehicles
Solar radiant energy and high-intensity light are converted to electrical energy to supply electrical power for propelling vehicles in a safe, economical and efficient manner. The radiant energy...
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3939935 |
Electric power means for vehicles
A plurality of individual batteries are independently mounted for reciprocatory movement according to the motion of a supporting vehicle, and means are actuated by the reciprocal movement of the...
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3921049 |
Charging circuit for battery-operated devices powered by solar cells
A charging circuit for battery-operated devices powered by photovoltaic cells comprising a first diode means connected in parallel to a series-connected resistor and at least one photovoltaic cell,...
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3823358 |
BATTERY PEAKING UNIT FOR FUEL CELL POWER PLANTS
An auxiliary storage battery or other DC rechargeable power source is connected in parallel with a fuel cell to supply additional current to a load when an overload such as the starting of a motor...
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3740636 |
CHARGE REGULATOR AND MONITOR FOR SPACECRAFT SOLAR CELL/BATTERY SYSTEM CONTROL
An electronic system for providing fully automatic control of a spacecraft olar cell/battery electrical power system, including the provision of continuous telemetry monitoring of the battery...
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3696286 |
SYSTEM FOR DETECTING AND UTILIZING THE MAXIMUM AVAILABLE POWER FROM SOLAR CELLS
In a power solar cell array consisting of many solar cells connected to deliver useful electrical power, there is imbedded a smaller reference solar array consisting of solar cells connected in...
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3696283 |
MODULAR BATTERY CHARGER
Battery charger assembly comprising a power supply module and, detachably mated thereto and to each other, a series of charging modules capable of accommodating a varying number of cells to be...
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3663938 |
SYNCHRONOUS ORBIT BATTERY CYCLER
A device is activated into first and second different states for differing time intervals in response to periodic pulses from a first clock pulse source which increments a first counter. A second...
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3504262 |
SYSTEM FOR CHARGING THE BATTERY WHICH OPERATES THE STARTER MOTOR OF AN INTERNAL COMBUSTION ENGINE
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3489915 |
COMBINED SOLAR ARRAY BATTERY CHARGER
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3449589 |
POWER SUPPLY SYSTEM
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3444946 |
SELF-ELECTRIC-POWERED VEHICLE
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3421067 |
BATTERY CHARGE CONTROLLER UTILIZING COULOMETER
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3419779 |
System for removing a bad battery from charging circuit
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3366865 |
Power generating apparatus including a thermal prime mover
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3344334 |
Photovoltaic cell battery charger
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3222535 |
System for detection of utilization of maximum available power
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3089070 |
Photoelectric converter or the like
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3028488 |
Satellite communication relay system utilizing modulation conversion
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2951163 |
Versatile solar powered radio receiver or the like
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2946945 |
Solar energy converting apparatus or the like
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2919353 |
Solar powered portable radio receiver or the like
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2780765 |
Solar energy converting apparatus
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3821626 |
Title is not available
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3672999 |
Title is not available
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