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)
08/1990
08/29/1990CN1045005A 电源电路 Power circuit
08/28/1990US4952864 Power supply down-conversion, regulation and low battery detection system
08/28/1990US4952861 Process for charging maintenance-free lead batteries with a fixed electrolyte
08/22/1990EP0383559A2 Portable power supply
08/22/1990EP0383383A1 Power-supply circuit
08/22/1990EP0383382A1 Power supply circuit
08/22/1990EP0383381A1 Power supply circuit
08/22/1990EP0383191A1 Device for repelling moles, voles or the like
08/21/1990US4950972 Alternator system for automotive vehicles
08/21/1990US4950913 Programmable timer power switch unit
08/16/1990EP0239463B1 Device for the electrical supply of a central unit, connected to a least one local reception station, by at least one command signal
08/15/1990CN2060605U Bridge silicon control charging machine
08/15/1990CN2060604U Automatic quick intermittent charger
08/14/1990US4949046 Battery state of charge indicator
08/14/1990US4949028 Multiple voltage battery charge balancing and load protecting device
08/14/1990US4948986 Electrical feeding device of a central unit by at least one control signal, the said unit being connected with a receiving local station
08/14/1990CA2009738A1 Power-supply circuit
08/09/1990DE4001980A1 Marking stud for road surfaces - has head with surface directed upwards provided with solar cells and light-responsive sensor switch
08/09/1990DE3902339A1 Data capturing arrangement for a battery-operated vehicle
08/08/1990EP0380606A1 Battery-operated surface treatment apparatus having a booster function.
08/08/1990EP0221118B1 Processing device for local irradiation with visible and non-visible light
08/07/1990US4947124 Method for charging a nickel-cadmium accumulator and simultaneously testing its condition
08/07/1990US4947123 Battery state monitoring apparatus
08/07/1990US4947053 High DC voltage power supply for motor vehicle electrical system
08/06/1990CA2009186A1 Braking system and break-away braking system
08/02/1990DE3902368A1 Superfast charging device for gas-tight Ni-Cd accumulators (rechargeable batteries), known by the name of SS-20 (20 min. charging time
08/01/1990CN2059957U Multifunctional charging electric torch for bicycle
07/1990
07/31/1990US4945300 Power source control apparatus
07/31/1990US4945299 Control apparatus for an a.c. generator for automobile
07/31/1990US4945277 Control device for a vehicle A.C. generator
07/31/1990CA1272243A1 Method of increasing the useful life of rechargeable lithium batteries
07/31/1990CA1272234A1 Universal connector for rechargeable and non-rechargeable batteries
07/30/1990CA2004770A1 Battery charging apparatus
07/26/1990DE4010071A1 Continuous light source e.g. for cementery use - is operated by solar energy charged cells and has adjustable light intensity
07/25/1990EP0379357A2 Power supply device for vehicle
07/25/1990EP0379221A2 A battery charge apparatus controlled by detecting charge current with constant charge voltage
07/25/1990EP0378532A1 Circuit to inhibit voltage and current returns to the electric power distribution line in an inverter-type power plant.
07/25/1990EP0233942B1 Partial shunt switching limiter for a spacecraft solar-panel or like power-source array
07/25/1990CN2059778U Program-controlled autocharger for ni-cd cell
07/24/1990US4942884 Portable battery powered electromagnetic therapy application
07/24/1990US4942629 Ski goggles with heated lens
07/18/1990EP0378043A1 Method and device for charging an accumulator
07/18/1990EP0377853A2 Control device for a vehicle a.c. generator
07/18/1990EP0377693A1 Low leakage battery protection diode structure
07/18/1990EP0377671A1 Thermally responsive battery charger
07/17/1990US4942352 Non-contacting power supplying system
07/12/1990WO1990007816A1 Dual-level-output circuit
07/12/1990WO1990007815A1 Battery-charging system with fault indicator
07/10/1990US4940928 Charging generator apparatus
07/10/1990CA1271519A1 Battery charger
07/05/1990DE3943311A1 Portable data input terminal - has input panel that allows alpha numeric and analogue graphical signal entries
07/05/1990DE3926655A1 Verfahren und schaltung zum automatischen und fortlaufenden schnelladen von aufladbaren batterien Method and circuit for automatic and continuous quick charge rechargeable batteries
07/05/1990DE3844293A1 Safety device for battery charging
07/05/1990DE3843673A1 Electrical power supply system for motor vehicles
07/04/1990EP0376667A2 Power supply apparatus for automotive vehicles
07/03/1990US4939632 Power supply circuit
07/03/1990US4938542 Braking system and break-away braking system
06/1990
06/28/1990WO1990007218A1 Battery-charging device
06/28/1990WO1990007217A1 Device and process for controlling a motor vehicle three-phase alternator
06/28/1990DE3843163A1 Vorrichtung und verfahren zur regelung eines fahrzeug-drehstrom-generators Apparatus and method for control of a vehicle-three-phase-generator
06/27/1990EP0374600A1 Electric power supply device
06/27/1990CN1043411A Fast charger
06/26/1990US4937528 Method for monitoring automotive battery status
06/26/1990US4937514 AC generator control apparatus for vehicles
06/21/1990DE3842840A1 Motor vehicle illuminating element with simultaneous current generation by solar cells (motor vehicle - light energy - recycling)
06/20/1990EP0373805A2 Alternator system for automotive vehicles
06/20/1990EP0373419A2 Battery changer for a medical appliance
06/20/1990CN2058541U Automatic miniature inversion power supply
06/19/1990US4935688 Electrical storage cell life extender
06/19/1990US4935315 Cell bypass circuit
06/14/1990WO1990006616A1 Device for powering a vehicle's electrical system
06/14/1990WO1990006615A1 System and method for rapid charging of a battery
06/14/1990WO1990006614A1 Safety device to prevent excessive battery drain
06/14/1990WO1990006403A1 A linkage system for loading machines
06/13/1990EP0372933A2 Power supply for portable electric appliances
06/13/1990EP0372823A2 Cell bypass circuit
06/13/1990EP0372819A2 Electrical charging system control arrangement
06/13/1990EP0372653A1 Device for loading an auxiliary battery
06/13/1990DE3841610A1 Vorrichtung zur spannungsversorgung fuer ein kraftfahrzeug-bordnetz Apparatus for voltage supply for a motor vehicle-vehicle power
06/13/1990CN2058274U Capacitor bleeder charging apparatus for small-size battery
06/13/1990CN2058273U Automatic cut-off charging device
06/13/1990CN2058225U Electric camdle
06/12/1990CA2004989A1 Battery charging unit for a medical appliance
06/10/1990CA2004923A1 Power supply device
06/06/1990EP0371472A2 Electrical system for automotive vehicle
06/06/1990CN2058041U Special self-charging cell for electric shaver
06/05/1990US4931947 Fuel cell/battery hybrid system having battery charge-level control
06/05/1990US4931717 Load response control and method
06/05/1990CA1270040A1 Vehicular power supply system having a plurality of power supply voltages
05/1990
05/30/1990EP0370468A1 Electric power supply system for automobile
05/30/1990CN2057789U Multi-purpose device for charging, voltage-stabilizing and lighting
05/30/1990CN2057788U Storage battery charging monitor
05/30/1990CN1042627A Energy-saving dc supply for emergency
05/30/1990CN1042626A Computerized chargers with the feature of dynamic tracing and high charging speed
05/23/1990CN1042457A Battery and charging system therefore
05/22/1990US4926881 Portable battery powered electromagnetic therapy applicator
05/21/1990CA2003191A1 Electric power supply system for automobile
05/16/1990EP0368353A2 Battery charging apparatus
05/16/1990CN1008037B Inverse current transformer system common to a.c. and d.c inputs
05/09/1990CN2057045U Voltage regulator for ac generator of car
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