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5100745 Method for rejuvenating Ni-H.sub.2 batteries  
A method for rejuvenating Ni-H 2 battery cells suffering a voltage anomaly providing an improved cell output voltage and capacity. After the battery containing the cells suffering the voltage...
4857419 Method of operating zinc-halogen secondary battery  
In recharging a zinc-halogen secondary battery or battery, zinc dendrite is readily formed on the negative electrode and therefore it has been difficult to form a uniformly thick zinc layer on the...
4737702 Battery charging control system particularly for hand held device  
In a preferred embodiment, a closed loop control system of a hand held data processing device varies the duty cycle of a battery charging source to match a desired charge rate. Such desired charge...
4734635 Microprocessor controlled battery reconditioner for portable radio transceivers  
Unique battery reconditioning circuitry is described that may be advantageously utilized in a portable radio transceiver (100). Reconditioning is initiated by a microcomputer (120) in response to a...
4716354 Automatic voltage regulator means providing a dual low power responsive and output-voltage-controlling regulator signal particularly for a plural source battery powered system  
In an exemplary embodiment, a battery conditioning system monitors battery conditioning and includes a memory for storing data based thereon; for example, data may be stored representative of...
4709202 Battery powered system  
In an exemplary embodiment, a battery conditioning system monitors battery conditioning and includes a memory for storing data based thereon; for example, data may be stored representative of...
4691158 Method of operating a secondary battery to recondition the battery  
A secondary battery operating method for charging and discharging a secondary battery using zinc as the negative electrode active material. After the termination of the normal discharge, direct...
4677363 Method of and apparatus for monitoring the state of charge of a rechargeable battery  
A method of and an apparatus for monitoring the state of charge of a rechargeable battery are disclosed which use a reference value corresponding to a defined state of charge stored in a memory....
4616170 Arrangement and method for operating an electrochemical storage device  
In an electrochemical storage device such as a zinc-bromine or zinc-chlorine accumulator containing groups of electrochemical cells connected in series to a load, nonuniformly distributed deposits...
4609860 Battery charger having automatic deep discharge mode  
A battery charger for recharging nickel cadmium batteries includes trickle charge, fast charge and deep charge modes. A control circuit responsive to the terminal voltage of the battery includes a...
4577144 Battery charging system including means for distinguishing between rechargeable and non-rechargeable batteries  
A battery charging system is provided which distinguishes between primary and secondary batteries by sensing a charging or discharging parameter of a battery placed into the system. A sensing means...
4558270 Battery charging adapter for a battery charger for a portable battery operated transceiver  
A battery charger system for supplying charging current to either a battery-powered transceiver or to the rechargeable battery pack of the transceiver includes a housing housing a receptacle for...
4553081 Portable battery powered system  
In a exemplary embodiment, a battery conditioning system monitors battery conditioning and includes a memory for storing data based thereon; for example, data may be stored representative of...
4342954 Battery 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...
4323837 Power supply circuit for automotive vehicles  
A power supply circuit arrangement for automotive vehicles comprises an engine-driven alternator, a storage battery, a battery charging circuit connected between the alternator and the battery...
4302714 Rechargeable battery charger system for charging testing, rejuvenation and preventative maintenance  
The present invention is directed to a method for automatically maintaining rechargeable batteries at maximum capacity and includes the steps of detecting the presence of a battery, deep...
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...
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...
3796940 BATTERY POWER SUPPLY, MAINTENANCE FREE  
A power supply which automatically provides the necessary maintenance cycling for secondary batteries according to a predetermined schedule is disclosed. The power supply is designed to eliminate...
3586962 BATTERY CELL MONITORING APPARATUS  
Monitoring apparatus for a series-connected battery of cells includes a lid equipped with biased contacts arranged so each contact contacts a different one of the cell connectors when in place....
Matches 51 - 70 out of 70 < 1 2