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)
12/1989
12/27/1989CN2050231U Medium frequency charged machine
12/27/1989CN2050230U Miniature fast-speed charger
12/27/1989CN2050229U Battery charger with automatic stop function
12/26/1989US4890050 Automotive alternator
12/26/1989US4890004 Emergency light control and battery charging system
12/20/1989EP0347310A1 Charging circuit for a battery including a generator with a highly variable pitch, especially for a wind power engine
12/20/1989CN2049835U Full autocontrol chargine and non-intermittent electric source apparatus
12/19/1989US4888716 Life diagnosis apparatus for automotive battery
12/19/1989US4888702 Photovoltaic system controller
12/19/1989US4888544 Battery charger
12/14/1989WO1989012344A1 Microprocessor based recharger for lithium secondary system
12/14/1989WO1989012343A1 Accumulator switching/security apparatus
12/14/1989WO1989011816A1 Battery-operated surface treatment apparatus having a booster function
12/13/1989CN2049428U Cd-ni cell type dc power supply unit
12/13/1989CN2049427U Quickly charging unit
12/07/1989DE3917795A1 Ladegeraet zum wiederaufladen einer sekundaerzelle mit einer li-cucl(pfeil abwaerts)2(pfeil abwaerts)-verknuepfung Charger to recharge a sekundaerzelle with a li-CuCl (Down Arrow) 2 (down arrow) link
12/06/1989CN2049049U Controller for magnetic motor of motorcycle
12/06/1989CN2049036U High efficient quick charger for mini-battery
12/05/1989US4885523 Battery conditioning system having communication with battery parameter memory means in conjunction with battery conditioning
12/05/1989US4885522 Constant current source and battery charger
11/1989
11/30/1989WO1989011748A1 Voltage controlling and indicating device
11/30/1989WO1989011587A1 Method and apparatus for managing alternator loads on engines
11/28/1989US4884018 Device for supplying electricity at a temporary overvoltage to auxiliary circuits of an automobile
11/28/1989US4883973 Automotive electrical system having a starter/generator induction machine
11/28/1989US4883724 Control unit of fuel cell generating system
11/23/1989EP0343056A1 Automatic charger for batteries or accumulators
11/23/1989EP0343055A1 Automatic charger capable of charging several batteries
11/23/1989EP0342578A1 Accumulator battery load regulator for photo-voltaic generator
11/23/1989EP0342333A2 Power generator
11/23/1989DE3914863A1 Control system for a motor vehicle charging generator
11/23/1989DE3815782A1 Body-weight energy conversion device
11/22/1989CN2048250U Domestic multi-function safety power source
11/22/1989CN2048249U Self-control energy saving charge lamp
11/21/1989US4882538 Device for detecting current flowing in an electric wire
11/21/1989US4882531 Integrated circuit voltage regulator and charging system
11/16/1989DE3815001A1 Einrichtung zum laden von akkumulatoren Means for charging batteries
11/15/1989EP0342049A2 Power supply control circuit for use in vehicle equipment
11/15/1989EP0341980A2 Method and circuit for voltage regulation of dc power sources including a generator having an exciter field coil
11/15/1989EP0341395A1 Device for an electrical appliance
11/15/1989CN1037242A Technologies for the appliances power source relating to an improved method to prolong the service life of dry cell
11/15/1989CN1037241A Self-contained multifunction power source for electronic appliances
11/14/1989CA1262934A1 Device for indicating the charge status of a battery
11/08/1989EP0340913A2 Dual generator electrical apparatus
11/08/1989EP0340794A2 Portable apparatus with variable rating battery charger for recharging interchangeable battery packs
11/07/1989US4879188 Bypass element for safeguarding battery cells
11/02/1989WO1989010650A1 Low leakage battery protection diode structure
11/02/1989EP0339576A2 Charging control apparatus for vehicle
11/02/1989EP0339446A2 Method for charging a lead accumulator
11/02/1989EP0339407A2 Procedure for operating an electrical consumer
11/01/1989CN1036865A Method for charging a nickel-cadmium accumulator and simul-taneously testing its condition
10/1989
10/31/1989US4878007 Method for charging nickel-cadmium batteries and circuit arrangement for carrying out the method
10/26/1989DE3812770A1 Circuit for increasing current in accumulator-power apparatuses
10/25/1989EP0338926A1 Elevated tension electric power supply for feeding the auxiliary circuit of a motor vehicle
10/25/1989EP0338512A2 Engine driven generator
10/24/1989US4876710 Method and apparatus for cordless microphone communication system
10/24/1989US4876496 Current supplying device
10/24/1989US4876495 Apparatus and method for charging and testing batteries
10/19/1989WO1989010022A1 A method and a taper charger for the resistance free charging of a rechargeable battery
10/18/1989EP0337155A2 Power supply network for vehicle
10/12/1989DE3827375A1 Protective circuit for the field winding of a self-excited generator
10/11/1989EP0336381A2 Method for charging and simultaneously testing the state of a nickel-cadmium accumulator
10/10/1989US4873711 Method and apparatus for remote talk/listen communication system
10/10/1989US4873677 Charging apparatus for an electronic device
10/10/1989US4873479 Battery charger
10/10/1989US4873453 DC motor speed controller having protection
10/05/1989DE3810397A1 Power supply for an electrical device
10/04/1989EP0335316A2 Apparatus for controlling selection of batteries
10/04/1989EP0335085A2 Charging control method for motor vehicle
10/04/1989CN2045553U Power-saving dry cell charger
10/04/1989CN2045552U Converting interface device of charger for video camera and video recorder
10/03/1989US4871959 Solar trickle charger for lead acid batteries
10/03/1989US4871958 Charging circuit
10/03/1989US4871957 Method and apparatus for the automatic connection of battery cables
10/03/1989US4871956 Method and apparatus for cell monitoring and control
09/1989
09/27/1989EP0334474A2 Control apparatus for a fuel cell generating system
09/27/1989EP0188477B1 Device for controlling the charge state of rechargeable batteries
09/27/1989EP0173709B1 Charging set for the regenerative recharging of dry batteries
09/27/1989CN2045161U Electronic switch type charger for wind-driven generator
09/26/1989US4869975 Overvoltage control circuit for a reserve battery
09/26/1989CA1260534A1 Rechargeable electric can opener
09/26/1989CA1260107A1 Fire hydrant sentry
09/26/1989CA1260058A1 Controller for battery charger
09/21/1989WO1989008940A1 Process and circuit versions for charging accumulators
09/21/1989DE3807942A1 Device for emergency power supply of motor vehicles when the generator (dynamo) fails
09/19/1989US4868908 Power supply down-conversion, regulation and low battery detection system
09/19/1989US4868706 Protection circuit for a battery charger
09/19/1989US4868480 Electric power generator
09/19/1989CA1259655A1 Interface control for storage battery based alternate energy system
09/13/1989EP0332475A2 Battery charger and battery packs
09/13/1989CN2044392U 袖珍充电器 Pocket Charger
09/12/1989US4866365 Supplemental automotive vehicular heater system and method of providing same
09/12/1989CA1259373A1 Power supply circuit
09/08/1989WO1989008370A1 Hearing aid
09/08/1989WO1989008345A1 Power-operated device with a cooling facility
09/08/1989WO1989008344A1 Corded/cordless dual-mode power-operated device
09/08/1989WO1989008343A1 Battery charger
09/08/1989WO1989007997A1 Dual-mode corded/cordless system for power-operated devices
09/06/1989EP0331386A1 Control apparatus for switching a battery pack
09/06/1989EP0330981A2 Method for charging rechargeable batteries
09/05/1989US4864154 System for automatically shutting down auxiliary power devices in a vehicle
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