| Patents for H02J 7 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries (94,693) |
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| 03/26/1991 | US5003244 Battery charger for charging a plurality of batteries |
| 03/22/1991 | CA2023549A1 Energy recovery system for motor vehicle |
| 03/14/1991 | WO1991004606A1 Regulated ac power system energized by variable speed prime mover |
| 03/13/1991 | EP0416871A2 Load response control and method |
| 03/13/1991 | EP0416043A1 Device for powering a vehicle's electrical system |
| 03/13/1991 | CN2073185U Fully antomatic power supply unit without time-limit |
| 03/13/1991 | CN1049938A 电源装置 Power supply unit |
| 03/12/1991 | US4999775 Power apparatus for diagnosing air bag equipment |
| 03/12/1991 | US4999750 Flashlight with rotatable head assembly |
| 03/12/1991 | US4999562 Jumper terminal system |
| 03/12/1991 | US4999516 Combined bias supply power shut-off circuit |
| 03/12/1991 | CA1281374C Battery for orthopedic drive assembly |
| 03/09/1991 | CA2024552A1 Power management for a laptop computer |
| 03/06/1991 | EP0414795A1 Voltage controlling and indicating device. |
| 03/06/1991 | CN2072741U Button battery charger |
| 03/06/1991 | CN1049756A Multi-functional and automatic device for charging |
| 03/05/1991 | US4998057 Method and apparatus for charging a battery |
| 03/05/1991 | US4998056 Battery charger |
| 03/05/1991 | US4998055 DC input jack |
| 02/27/1991 | EP0414648A1 Wind or wind-photovoltaic power operated oxygenizing device for oxygenizing water |
| 02/27/1991 | EP0157830B1 Ultrasonic flow-control system |
| 02/24/1991 | WO1991003092A1 Battery charger with battery positioning and support apparatus |
| 02/22/1991 | CA2023728A1 Wind or wind-photovoltaic power operated oxygenizing device for oxygenizing water |
| 02/20/1991 | CN2071845U Full automatic charger |
| 02/20/1991 | CN2071844U Simple dc panel of cadmium-nickle cell |
| 02/20/1991 | CN1049314A 机动车电源装置 Motor vehicle power supply unit |
| 02/19/1991 | US4994727 Charging circuitry having polarity detecting protection |
| 02/19/1991 | US4994726 Power supply apparatus for charging-type device |
| 02/13/1991 | EP0412631A2 Motor vehicle power supply device |
| 02/12/1991 | US4992920 Regulated AC power system energized by variable speed prime mover |
| 02/12/1991 | US4992722 Charging control unit and method for motor vehicle |
| 02/12/1991 | US4992720 Charge control circuit for cordless telephone system |
| 02/12/1991 | US4992672 Dual or single voltage vehicular power supply with improved switch driver and load pump |
| 02/12/1991 | US4992340 Intrinsic safe battery having self test capability |
| 02/12/1991 | CA1280171C Portable wireless communication apparatus |
| 02/12/1991 | CA1280158C Control circuit for battery charger |
| 02/06/1991 | EP0412051A1 Device for exchanging and loading of energy accumulators for transportation vehicles |
| 02/06/1991 | EP0411608A2 Control device for vehicle AC generator |
| 02/06/1991 | CN2070965U Emergency fluorescent lamp for dry battery charging |
| 02/05/1991 | US4990885 Auxiliary battery monitor |
| 02/05/1991 | US4990846 Temperature compensated voltage reference circuit |
| 01/31/1991 | DE3924499A1 Microprocessor-controlled battery-charging esp. for model vehicle - using microprocessor for automatic settings of current, voltage and charging time in accordance with internal resistance of battery |
| 01/31/1991 | CA2014906A1 Electrical-energy-supplying device having an extended storage life |
| 01/30/1991 | EP0410617A2 Electrical supply control system for a motor vehicle |
| 01/30/1991 | EP0410559A2 Power supply device |
| 01/30/1991 | EP0409847A1 Process and circuit versions for charging accumulators. |
| 01/30/1991 | CN2070509U Button cell recharger |
| 01/30/1991 | CN1048956A Automatic cut-off charger |
| 01/24/1991 | DE4022263A1 IC engine idling control for regulating air intake - calculates correction of supplied air dependent on generating field winding energising period |
| 01/23/1991 | EP0409819A2 Mobile telecommunication terminal |
| 01/23/1991 | CN2070052U Safety charger without transformer |
| 01/23/1991 | CN2070051U Energy-saving capacitance-type automatic charger |
| 01/23/1991 | CN2070050U Automatic constant-voltage thyristor charging rack for miner's lamp |
| 01/22/1991 | US4987360 Self-contained rechargeable battery power source with voltage reducer |
| 01/18/1991 | WO1991001594A1 Combined bias supply and power shut-off circuit |
| 01/18/1991 | CA2064085A1 Combined bias supply and power shut-off circuit |
| 01/16/1991 | EP0408436A1 Detection circuit for a three-phase alternator phase control signal of a vehicle battery charging regulator and its use |
| 01/16/1991 | EP0408365A2 Battery charger |
| 01/16/1991 | EP0408059A2 Vehicle AC generator control device |
| 01/16/1991 | EP0408055A2 Vehicle AC generator control device |
| 01/16/1991 | EP0408030A2 Control device of vehicle mounted alternator |
| 01/16/1991 | EP0408028A2 Apparatus for controlling a power supply of an electric machine in a vehicle |
| 01/16/1991 | EP0407641A1 Vehicle window heating apparatus |
| 01/16/1991 | EP0407640A1 Vehicle window heating apparatus |
| 01/16/1991 | EP0407633A1 Heater controlling apparatus for car window |
| 01/16/1991 | EP0407525A1 Safety device to prevent excessive battery drain. |
| 01/16/1991 | CN2069629U Automatic checkout speedy charging machine |
| 01/16/1991 | CN2069628U Constant-current charger |
| 01/16/1991 | CN2069627U Fully automatic uninterruptive voltage-stabilized source |
| 01/15/1991 | US4985671 Power supply circuit for a motor vehicle with two load voltages |
| 01/15/1991 | US4985670 Voltage regulator for AC generator with two distinct output voltage |
| 01/12/1991 | WO1991001063A1 Device with a multiplicity of independent, identical oscillators operating synchronously |
| 01/12/1991 | CA2035887A1 Device with a multiplicity of independent, identical oscillators operating synchronously |
| 01/10/1991 | WO1991000635A1 Storage battery charging control apparatus with temperature-sensitive voltage monitoring apparatus |
| 01/10/1991 | WO1991000625A2 Externally rechargeable battery pack for a computer |
| 01/10/1991 | WO1991000054A1 Sensor for mechanical forces generated by the animal or human body |
| 01/09/1991 | EP0407223A2 Rechargeable batteries and chargers therefor |
| 01/09/1991 | EP0406978A1 Motion sensor apparatus |
| 01/09/1991 | EP0406858A2 A battery charger and method for a portable wireless telephone set having means for tricklingly charging the battery with an increased current during a stand-by period of the telephone set |
| 01/09/1991 | EP0406340A1 Battery-charging device. |
| 01/09/1991 | CN2069178U On board speedy charging device for nickel-cadmium battery |
| 01/08/1991 | US4983904 Battery charger for vehicle-mounted equipment using engine operation as start timing determination |
| 01/08/1991 | US4982569 Electricity |
| 01/07/1991 | CA2020618A1 Motion sensor apparatus |
| 12/31/1990 | WO1991000623A2 Battery charging system |
| 12/31/1990 | WO1991000564A1 Power supply and oscillator for a computer system providing automatic selection of supply voltage and frequency |
| 12/27/1990 | EP0404555A2 Communication system |
| 12/27/1990 | EP0404554A2 Charging system |
| 12/26/1990 | CN1048123A Externally rechargeable battery pack for computer |
| 12/25/1990 | US4980746 Integrated circuit with improved battery protection |
| 12/19/1990 | EP0402642A2 Device and procedure for voltage supply of a heating resistor |
| 12/19/1990 | EP0402641A2 Electric heating for a vehicle |
| 12/19/1990 | EP0402539A1 Detector units |
| 12/19/1990 | EP0247088B1 Portable radio battery pack with on-off switch |
| 12/19/1990 | CN2067875U Auto-controller for three-phase thyristor charger |
| 12/19/1990 | CN2067847U Auto-controller for ring bell |
| 12/19/1990 | CN1047943A Quick automobile charger |
| 12/19/1990 | CN1010910B Battery-powered device |
| 12/19/1990 | CN1010909B Battery-powered device |
| 12/13/1990 | WO1990015466A1 Multiple battery, multiple rate battery charger |