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