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Class 320/155 - Time control


Subclass of Class 320 - Electricity: battery or capacitor charging or discharging
Definition: Subject matter means to regulate charging based upon a predetermined
No. of patents: 140
Last issue date: 05/29/2012


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NumberTitleIssue Date
4602203Infrared battery detector and charging system
A battery charging system for rectangular, 9-volt batteries has inclined holders with mesh contacts engageable with the terminals of an inserted battery. Reflective tape is affixed to one side of the battery, and an optoelectronic assembly presents a sens...
07/22/1986
4568869Method of and device for reducing charging time of batteries and increasing power and torque of electric motors
A method of reducing charging time of batteries and increasing power and torque of electric motors includes the step of repeatedly applying to the battery to be charged or the motor to be operated a series of relatively short pulses of relatively high vol...
02/04/1986
4492912Dual voltage motor vehicle electrical system
A dual voltage motor vehicle electrical system comprising series connected cranking and accessory batteries that are used to energize an electric vehicle engine cranking motor. The accessory battery is charged by a vehicle engine driven generator and the ...
01/08/1985
4456869Automatic battery charger
An automatic battery charging circuit for use with battery powered vehicles such as golf carts includes an automatically timed charging switch which is connected in parallel with the conventional manually timed charging switch of the battery charger. The ...
06/26/1984
4435675Battery charging system
A battery charging system comprises a battery which may be selectively connected to a load or a battery charger. The system further includes a discharge monitor the output of which is connected to five of the address inputs of ROM, the remaining five inpu...
03/06/1984
4388583Battery charger with transducer for controlling charge rate
Disclosed herein is an apparatus for charging a battery including a case containing at least one cell formed of a pair of electrodes immersed in an electrolyte. The apparatus includes a transducer associated with the battery and operable without sensing g...
06/14/1983
4383211Electrical 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 charging terminal of the solar panel to the output and charging ...
05/10/1983
4383210Apparatus and method for recharging an energy storage device
An apparatus for providing a device with a prepurchased, selectable quantity of power from a primary power source includes a mechanism for receiving a medium of exchange, such as a money receiving mechanism. The apparatus further includes an outlet for co...
05/10/1983
4342954Battery conditioning methods and apparatus
In an effort to condition a battery for its current supply function, the electric charge required to restore the battery from a given first level to a higher second charge level is determined. A conditioning operation is comprised of a first step of reduc...
08/03/1982
4313078Battery 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 rate during a first time period proportional to the extent...
01/26/1982
4297630Timed fast charger
In a charger for rechargeable electrochemical cells, a transformer charging circuit supplies a charging current to the battery at a fast charge rate for a predetermined time followed by a continuous slow charge rate. A normally closed automatic reset ther...
10/27/1981
4286204Device for controlling the charging of a storage battery
A device for controlling the charging of a storage battery includes two counters (IC1, IC2) measure a minimum discharge time and a maximum charging time and are controlled by means of logic gates (2, 3) according to whether the main current is supplied or...
08/25/1981
4255697Cash register power supply system
A cash register power supply system is disclosed which isolates the work system from the battery charging system. A battery charger charges one of two batteries while the other battery drives a cash register. A timer and switching mechanism switch the bat...
03/10/1981
4228390Battery charger
A control circuit for a three phase battery charging system which is enabled only when a battery is properly connected, when the source is properly connected and when the system has been properly turned on. Any disruption in these connections or failure o...
10/14/1980
4218644Time controlled battery charger
In a charger for the battery of an electric vehicle, a stable time of day clock is provided to initiate charging at a preselected time of day, and to control at least a portion of the charge cycle. The clock can be set in accordance with the schedule esta...
08/19/1980
4210854Method and device for charging secondary electric batteries by primary sources
A method of charging a secondary electric battery from a primary source of electric current, the secondary battery being connected to supply an intermittent load that draws a current which is greater than the primary source is capable of supplying the met...
07/01/1980
4198593Battery charger control device
A battery charger control device which senses the placement of a battery across charging terminals and utilizes the voltage thereof to actuate a relay which turns on a battery charger, which utilizes a pulse generator to charge a capacitor over a period o...
04/15/1980
4140958Battery charging apparatus
A battery charging and analyzing apparatus for a nickel-cadmium battery is disclosed. The equipment utilizes a type of solid state resistor formed of a plurality of paralleled emitter follower transistors which are collectively a load for a Ni-Cid battery...
02/20/1979
4055789Battery-operated motor with back EMF charging
An energy conserving electrical apparatus for driving a load and recovering otherwise wasted electrical energy utilizes an electric motor with field windings on one or more pole members and one or more rotors. During a first time interval whose duration i...
10/25/1977
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