Patents
Patents for H02J 7 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries (94,693)
05/1989
05/23/1989US4833390 Charge completion detector
05/23/1989CA1254615A1 Regulator overvoltage circuit
05/23/1989CA1254614A1 Rechargeable battery operated appliance system
05/17/1989CN2037891U Automatic high-efficiency charger for lead accumulator
05/17/1989CN2037890U Emergency power supply
05/17/1989CN2037889U Uninterrupted power supply
05/16/1989US4831322 Voltage regulator for charger/generator
05/16/1989US4831321 Trickle jumping charging device
05/11/1989DE3736069A1 Method for forming electrical batteries
05/10/1989CN2037508U Charging and power supply device of small tractor
05/09/1989US4829290 Low voltage alert circuit
05/09/1989US4829259 Constant current source and battery charger
05/09/1989US4829228 Dual generator electrical system
05/09/1989US4829226 Rechargeable battery pack and charger unit combination
05/09/1989US4829225 Rapid battery charger, discharger and conditioner
05/09/1989US4829223 Vehicle battery charger
05/09/1989US4827550 Removable head mechanism for automatic cleaning device
05/09/1989US4827534 Sun-powered vest
05/03/1989EP0314155A2 A battery charging system
05/03/1989EP0313776A2 Charging unit for cordless telephone
04/1989
04/26/1989CN2036715U Voltage-regulator of no-excitaion ac generator
04/26/1989CN2036714U Miniature wind accumulator charging arrangement
04/26/1989CN2036713U Quickly charging arrangement
04/26/1989CN2036712U Lamp socket type separable cut-off illumination lamp
04/25/1989US4825139 Electric power supply unit, in particular for a motor vehicle, and an electric rotary machine for such a unit
04/20/1989DE3734120A1 Device for charging electrical accumulators (rechargeable batteries)
04/19/1989CN2036329U Puls speedy charger
04/19/1989CN2036328U Three phase miniature multi-grade automatic voltage limited charger
04/18/1989US4822296 Electrical connection for battery charging apparatus or the like
04/18/1989CA1252819A1 Battery switch module adapter
04/13/1989DE3731960A1 Alarm-emitting device
04/12/1989EP0311460A2 Battery charger
04/12/1989EP0310717A1 Battery pack
04/12/1989CN2035935U Charging apparatus
04/12/1989CN2035928U Multifunctional dc power supply device
04/11/1989US4820966 Battery monitoring system
04/11/1989US4820965 Control circuit for battery charger
04/06/1989DE3831142A1 Solar pump system
04/06/1989DE3802336C1 Fan arrangement for battery and solar operation
04/05/1989EP0309482A1 Method and apparatus for improving electrochemical processes
04/05/1989CN2035542U Solar energy charging device for the cell of tv camera and recorder
04/04/1989US4819116 Fault indicator light control circuit
04/04/1989US4818928 Battery pack
04/04/1989US4818231 Processing device for local irradiation with visible or invisible light
03/1989
03/29/1989EP0308653A2 Charging method for maintenance-free batteries with an immobilized electrolyte
03/29/1989EP0308478A1 Three-conductor booster cable assembly
03/28/1989US4816737 Device for controlling the charging of rechargeable batteries
03/28/1989US4816736 Polyphase alternator and dual voltage battery charging system for multiple voltage loads
03/28/1989US4816735 Battery charger
03/23/1989WO1989002667A1 Generator installation
03/21/1989US4815052 Automatic overvoltage protection circuit
03/16/1989DE3729968A1 Motor vehicle voltage supply device
03/16/1989DE3729896A1 Device for traffic safety and/or traffic control
03/14/1989US4812732 Control device for an a. c. generator for an automobile
03/09/1989WO1989002182A1 Thermally responsive battery charger
03/09/1989DE3729000A1 Universal regulator for maximising the power of photovoltaic electrical power supplies and for high-efficiency DC/DC voltage converters
03/09/1989DE3728645A1 Circuit arrangement for rapid charging of secondary batteries (rechargeable batteries)
03/09/1989DE3727892A1 Tracking (adjustable) solar installation in a suitcase format
03/08/1989CN2033958U Complete device of dc power supply
03/07/1989CA1250972A1 Emergency exit sign
03/01/1989CN2033555U Accumulator overdischarge memory and equalizing charge unit
03/01/1989CN1031454A Uninterrupted power supply with power switch-over unit
02/1989
02/28/1989US4808904 Portable photovoltaic battery recharger
02/28/1989US4808866 Vehicle generator with short-circuit damage prevention
02/28/1989US4808842 Dual voltage generator system
02/22/1989EP0303766A2 Device for cleaning a contacting connection
02/22/1989CN1031301A Battery-powered device
02/22/1989CN1031300A Battery-powered device
02/21/1989US4807106 Method and circuit for voltage regulation of DC power sources
02/21/1989US4806840 Method and apparatus for charging a nickel-cadmium battery
02/21/1989CA1250347A1 Multistation modular charging system for cordless devices
02/15/1989EP0302855A1 High efficiency battery charging system
02/15/1989CN2032775U Miniature pulse charger with multi-step and automatically limiting voltage function
02/14/1989US4804858 Power supply circuit for a diode adapted to emit light in dependence of the prevailing surrounding light
02/08/1989EP0302789A1 Monolithic alternator field coil fed regulator with integrated refreshing diode formed using vertical integration technology
02/08/1989CN2032371U Ac pulse charging and its state control
02/07/1989US4803417 Vehicle battery discharging indicator
02/07/1989US4803416 Storage battery control device
01/1989
01/25/1989EP0300537A1 Battery-powered device
01/25/1989CN1030650A Charging device of electronic apparatus
01/18/1989EP0299807A2 Method and apparatus for managing alternator loads on engines
01/18/1989CN2031173U Device for power charging and water heating
01/17/1989CA1249023A1 Apparatus for auxiliary power supply from a generator field
01/17/1989CA1249022A1 Voltage regulator for generator
01/17/1989CA1249019A1 Battery charging system including means for distinguishing between rechargeable and non-rechargeable batteries
01/17/1989CA1249018A1 Battery charging system having means for distinguishing between primary and secondary batteries
01/17/1989CA1249017A1 Integrated battery and recharger
01/12/1989DE3722002A1 Method for charging maintenance-free, sealed accumulators and accumulators suitable for carrying out the method
01/11/1989EP0298707A2 Charging device for electronic apparatus
01/11/1989EP0298556A1 Battery-powered device
01/10/1989US4797566 Energy storing apparatus
01/10/1989CA1248591A1 Battery-powered mobile communications apparatus having transmitter reset function
01/04/1989EP0297421A2 By-pass element for protection of battery cells
01/04/1989EP0297175A2 Battery charger
01/03/1989US4794898 Apparatus and method for engine idle speed control
01/03/1989CA1248174A1 Partial shunt switching limiter for a spacecraft solar-panel or like power-source array
12/1988
12/29/1988WO1988010529A1 Flashing light unit
12/29/1988DE3719869A1 Device for supplying power to an electronic signal processing stage
12/28/1988CN88212411U Automatical electric charger with voltage-stabilizing and explosion-proof functions
12/28/1988CN88211445U Safety charger for crome-nickel cell