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)
12/1990
12/13/1990DE3918656A1 Electrically propelled vehicle - has battery-charging wind turbogenerator mounted in front compartment behind grille
12/12/1990EP0402040A2 Ice melting system for motor vehicle
12/12/1990EP0401758A2 Charging generator
12/12/1990EP0401441A1 Battery powered electrical curling/brush iron
12/12/1990EP0401294A1 Dual-mode corded/cordless system for power-operated devices
12/12/1990EP0401287A1 Power-operated device with a cooling facility.
12/12/1990EP0401231A1 Dual-level-output circuit.
12/12/1990CN1047768A Automatic and continuous device for supplying electric power
12/12/1990CA2018655A1 Externally rechargeable battery pack for a computer
12/11/1990US4977364 Method and a taper charger for the resistance free charging of a rechargeable battery
12/05/1990EP0400688A2 Ultrasonic flow-control system
12/05/1990EP0400082A1 Corded/cordless dual-mode power-operated device.
12/05/1990CN2067046U Multifunctional electronic automobile generator adjuster
12/05/1990CN1047591A Multi-functional emergency lamp and power source using dry cell
11/1990
11/29/1990DE4015701A1 Vehicular drive with piston engine and electric machine - reduces low-speed irregularity of engine by operating machine alternately as booster motor and as brake
11/28/1990EP0399821A2 Apparatus and method for fast charging a nickel-cadmium cell or battery
11/28/1990CN2066633U Adjustable galvanostatic automatic charger
11/27/1990US4973896 Automobile generator apparatus
11/22/1990EP0398691A2 Electrical power distribution system
11/22/1990EP0397957A1 Portable lamp with built-in battery and charging device
11/21/1990CN1047174A Power saving multi-functional lamp
11/20/1990US4972135 Switching system for battery jumper cables
11/14/1990EP0397316A1 Power supply system for turbocharger with rotary electric machine
11/13/1990US4970453 Solar charging system for an IC card having voltage current regulation
11/13/1990US4969834 Jumper cable apparatus
11/13/1990US4969229 Battery-operated surface treatment apparatus having a booster function
11/13/1990CA1276228C Automatic on/off circuit with time delay
11/07/1990EP0396278A2 Photovoltaic charge storage device
11/07/1990CN2065374U Rapid charger for storage battery
11/07/1990CN2065373U Driver comprised of battery, transducer and ac motor
11/07/1990CN2065278U Miniature charge wall lamp
11/06/1990US4969077 Power supply circuit
11/06/1990US4968941 Apparatus for monitoring the state of charge of a battery
11/01/1990WO1990013166A1 Method and apparatus for determining battery type and modifying operating characteristics
10/1990
10/31/1990EP0395590A1 Electronic control device for at least one electrically driven receiver
10/31/1990CN2064942U Solar energy charging machine
10/31/1990CN1046643A Pulse length modulation charger
10/30/1990US4967137 High voltage electrical power supply device for the auxiliary circuit of a motor vehicle
10/30/1990US4967136 Battery equalization circuit for a dual voltage charging system
10/30/1990US4967056 Vehicle window heating apparatus
10/24/1990EP0394074A2 Method and apparatus for determining battery type and modifying operating characteristics
10/24/1990EP0302855A4 High efficiency battery charging system
10/24/1990CN2064553U Depolarized, rapidly charging apparatus
10/24/1990CN2064552U Normalized second-period charging apparatus with features of speedy charging and big capacity
10/23/1990US4965738 Intelligent battery system
10/23/1990US4965507 Battery charger for detecting the current rate of charge for rechargeable batteries
10/23/1990US4965506 Power-supply circuit having circuitry for switching from a battery charging mode to a battery trickle-charging mode
10/18/1990WO1990012449A1 Power supply system
10/18/1990WO1990012443A1 Voltage controller
10/18/1990WO1990012427A1 Energy monitor for storage cells
10/17/1990EP0392857A2 Battery-powered apparatus
10/17/1990CN2064127U Constant-current automatic charging unit
10/16/1990US4964073 Portable data collecting and processing apparatus
10/16/1990US4963813 Control providing progressive charging in a dual voltage charging system
10/16/1990US4963812 Battery charger housing for batteries of differing dimensions
10/16/1990US4963811 Method and apparatus for powering electrical and electronic consuming devices with solar energy
10/13/1990WO1990012441A1 A method and an apparatus for charging of a battery
10/13/1990CA2050582A1 Method and an apparatus for charging of a battery
10/11/1990DE3906440A1 Super-fast charger for gas-tight nickel-cadmium accumulators with an accumulator full-charge state identification, called an SS-20 (20 minute charging time)
10/10/1990CN2063715U Portable power supply arrangement
10/09/1990US4962462 Hybrid power source system
10/09/1990US4962348 Switched filter with low offset
10/04/1990DE4006387A1 Spannungsregler Voltage Regulators
10/04/1990DE4006114A1 Bordnetz Board network
10/03/1990EP0390698A1 Defrosting-control system using overvoltage for an electrical windshield of an automotive vehicle
10/03/1990EP0390253A2 Charger device for electrical tools driven by accumulators
10/03/1990EP0390079A2 Constant DC current supplying circuit
10/03/1990EP0389737A2 Mobile radio telephone device
10/02/1990US4961151 Fuel cell/battery control system
10/02/1990US4961043 Battery conditioning system having communication with battery parameter memory means in conjunction with battery conditioning
09/1990
09/26/1990EP0389059A1 Switching device for supplying current from a battery of a vehicle, fed by a dynamo, to a refrigerator to be carried along
09/26/1990EP0388882A2 Circuit arrangement
09/26/1990EP0388523A2 Apparatus for displaying residual capacity of battery
09/26/1990EP0388423A1 Luminous panel
09/26/1990CN2062919U Desk lamp as charging unit
09/26/1990CN2062918U Capacity extender for ac ups
09/26/1990CN2062917U Ac emergency power supply with impulse duration modulation and voltage regulation
09/26/1990CN2062784U Multipurpose emergency lamp
09/25/1990US4959604 Applying a voltage to complete charging without releasing hydrogen; terminating when the current intensity increases following a decrease
09/25/1990US4959603 Solar battery equipment
09/20/1990WO1990010969A1 Electrical storage cell life extender
09/19/1990EP0388099A2 Battery monitoring
09/19/1990CN2062514U Rapidly charging device
09/19/1990CN1009691B Efficient auto-charging apparatus for lead accumulator
09/18/1990US4958251 Guarded electronic circuit from reversal of its supply battery polarity
09/18/1990US4958127 Method and apparatus for determining the state of charge of a battery
09/18/1990US4958119 Voltage regulators for permanent magnet alternators
09/18/1990US4957876 Resin sealed semiconductor device and a method for making the same
09/18/1990US4957831 Control apparatus for switching a battery pack
09/12/1990CN1045316A Power-supply circuit
09/11/1990US4956597 Method and apparatus for charging batteries
09/11/1990CA1273996A1 Battery charger circuit
09/07/1990WO1990010334A1 Improvement of safety of batteries containing parallel arrays of rechargeable lithium cells
09/05/1990EP0385502A2 Electric power transmitting device with inductive coupling
09/05/1990EP0385145A2 Method for charching a lead-acid accumulator batterie
09/05/1990CN2061740U Ac/dc power supply for solar cell
08/1990
08/29/1990EP0254730B1 Process for preventing electrical storage cell capacity loss
08/29/1990CN2061345U Miniature bidirectional controllable charging machine
08/29/1990CN2061344U Nonpolarity safety charging machine
08/29/1990CN1045006A 电源电路 Power circuit
1 ... 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 ... 947