Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02J - Circuit arrangements or systems for supplying or distributing electric power; Systems for storing electric energy › H02J 7 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
Patents for H02J 7 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries (94,693)
08/1989
08/31/1989DE3804874A1 Current-supply generator comprising a plurality of solar cells
08/30/1989EP0330561A1 Multiple function controller using synchronous rhythms of the alternator
08/30/1989CN2043805U High efficiency invertor
08/30/1989CN2043801U Pocket adjustable charger of h.f.type
08/30/1989CN2043800U Full-automatic d.c.power supply without person on duty
08/30/1989CN2043799U Multifunctional power supply in electronic apparatus perse
08/29/1989US4862375 Magnetic power coupler for a vault cartridge
08/29/1989US4862310 Low leakage battery protection diode structure
08/29/1989US4862055 Automotive charging apparatus
08/29/1989US4862013 Constant current source and battery charger
08/29/1989US4861685 Portable rechargeable battery
08/24/1989WO1989007854A1 Process and circuit arrangement for determining the charging time of an accumulator
08/23/1989EP0328565A1 Flashing light unit
08/17/1989DE3803906A1 Verfahren und schaltungsanordnung zur bestimmung der ladezeit eines akkumulators Method and circuit arrangement for the determination of the charging time of Accumulator
08/17/1989DE3803357A1 Electric device
08/15/1989US4857884 Paging system
08/15/1989US4857820 Cordless battery charger
08/15/1989US4857756 Power control unit for a computer system
08/15/1989US4857702 Battery powered electrical curling iron with detachable wand and self-contained battery charger
08/15/1989US4856605 Nonsystem-connected electronic balance
08/10/1989WO1989007359A1 Dual or single voltage vehicular power supply with improved switch
08/09/1989EP0327027A2 Charging control apparatus for vehicles
08/08/1989US4855663 Charging control apparatus
08/08/1989US4855662 Charging circuitry having polarity detecting protection
08/02/1989EP0326281A2 Rectifier device for AC generator of an automobile
08/02/1989EP0326184A2 Charge control circuit for cordless telephone system
08/02/1989CN2042252U Dual-output electric charger
08/01/1989US4853607 Non-isolated thermally responsive battery charger
08/01/1989US4853606 Secondary battery quick charging circuit
08/01/1989US4853557 Automotive alternator power generator for welding or use of power tools
08/01/1989US4852540 High-efficiency charging and regulating system
07/1989
07/27/1989DE3801303A1 Charger for accumulators (battery charger)
07/26/1989EP0325520A2 Dual tension supply circuit for an automotive vehicle
07/26/1989EP0325205A2 Electric power supply system for motor vehicle
07/26/1989CN2041866U Fully automatic unremittance power
07/25/1989US4851756 Primary-secondary hybrid battery
07/25/1989US4851743 DC motor speed controller having protection
07/25/1989CA1257900A1 Control of the charging of pressurized gas-metal electrical storage cells
07/19/1989CN2041460U 自动脉冲充电器 Automatic pulse charger
07/18/1989US4850006 Booster and charger unit used for hand-held portable telephone and having overheat protection circuit
07/18/1989US4849682 Battery charging system
07/18/1989US4849681 Battery-powered device
07/18/1989US4849098 Continuous water quality monitor
07/11/1989US4847547 Battery charger with Vbe temperature compensation circuit
07/11/1989US4847546 Solar panel output enhancement circuit
07/11/1989US4847545 Method and an apparatus for boosting battery
07/11/1989US4847513 Power-operated device with a cooling facility
07/11/1989US4845795 Automatic cleaning device
07/05/1989EP0323335A2 Multiple purpose case
07/05/1989CN2040677U Charger for common dry cell
07/05/1989CN2040676U Fully automatic multifunctioanl domestic spare power supply
07/05/1989CN2040674U Charging clip for battery
07/04/1989US4845419 Automatic control means providing a low-power responsive signal, particularly for initiating data preservation operation
07/04/1989CA1256940A1 Power-supply circuit
06/1989
06/29/1989WO1989006062A1 Vehicle circuit system
06/29/1989WO1989006061A1 Vehicle circuit systems
06/29/1989DE3743317A1 Fahrzeugbordnetzsystem Motor vehicle electrical system
06/29/1989DE3743316A1 Fahrzeugbordnetzsystem Motor vehicle electrical system
06/28/1989CN2040280U Automatic charger for cadmium-nickle battery
06/28/1989CN1004674B Series resonance constant-current electric charging machine with overdamping
06/27/1989US4843299 Universal battery charging system and a method
06/27/1989US4843298 Flashlight battery charger
06/27/1989CA1256489A1 Shunt control
06/22/1989DE3742268A1 Electric tool having a device for accommodating and holding battery packs in and/or on the tool housing
06/22/1989DE3742240A1 Electrical hand tool having an accumulator section (rechargeable battery section)
06/22/1989DE3742088A1 Accumulator unit
06/21/1989CN2039884U Voltage adjuster for automobile
06/21/1989CN2039883U Dc non-interruption power source for microcumputer system
06/20/1989US4840583 Automatic jumper cables
06/15/1989DE3840535A1 Monolithic battery charge controller
06/15/1989DE3740917A1 Method for charging maintenance-free, sealed accumulators
06/14/1989EP0319941A1 Power supply method for solar cell powered electronic circuits, and arrangement for carrying out this method
06/14/1989EP0319905A1 Power feeding system for a rotor
06/14/1989CN2039476U Fullyautomatic emergency lamp
06/14/1989CN1033350A Battery powered electrical curling/brush iron
06/13/1989US4839576 Controller for AC generator in vehicles
06/13/1989US4839574 Generator system utilizing a fuel cell
06/13/1989US4839246 Generator system utilizing a fuel cell
06/13/1989CA1255779A1 Ultrasonic flow-control system
06/08/1989DE3837205A1 Mains-independent electronic balance
06/08/1989DE3740331A1 Process and appliance for the formation of the plates, provided with active paste, of lead-acid batteries
06/07/1989EP0319020A2 Over-discharge protection circuit
06/07/1989EP0318475A1 Voltage regulator for a generator.
06/07/1989CN2039076U Charging device with automatic power cut-off
06/07/1989CN2039075U Simple constant current charging device
06/07/1989CN1033312A Luminous panel
06/07/1989CN1004457B Controller for fuel cell power system
06/06/1989US4837556 Signal transmission device
06/01/1989WO1989005037A1 Luminous panel
06/01/1989DE3731418A1 Automatically trackable solar-powered system of briefcase size
05/1989
05/30/1989US4835453 Battery-powered device
05/30/1989US4835410 Dual-mode corded/cordless system for power-operated devices
05/30/1989US4835409 Corded/cordless dual-mode power-operated device
05/30/1989CA1254942A1 Generator voltage regulating system
05/24/1989EP0317538A1 Hose clamp
05/24/1989EP0316648A1 Method for charging a battery
05/24/1989CN2038296U High speed current-changing charger
05/24/1989CN2038295U Dynamic tracking and intelligentized speed charger
05/24/1989CN2038294U Emergency power supply unit
05/23/1989US4833391 Method and apparatus for charging lead-acid-accumulators
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