| Patents for H02J 7 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries (94,693) |
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| 10/10/1991 | DE4011037A1 Traffic light system using solar energy - uses solar powers providing power in day and short wave radio signals to coordinate lights |
| 10/10/1991 | DE4010780A1 Charging unit for small batteries - retains cells in housing with in-built circuitry and carrying handle |
| 10/09/1991 | EP0450783A2 Battery charging system |
| 10/09/1991 | EP0450145A2 Method and apparatus for battery control |
| 10/09/1991 | EP0276305B1 Apparatus and method for measuring battery condition |
| 10/09/1991 | CN2086474U Primary winding-adjusting charging machine |
| 10/09/1991 | CN1055262A Rectifier regulator for separate constant-current and constant-voltage charge of nicd cells |
| 10/08/1991 | US5055763 Electronic battery charger device and method |
| 10/08/1991 | US5055702 Method and apparatus for controlling application of electrical power |
| 10/08/1991 | US5055656 Battery heating system using instantaneous excess capacity of a vehicle electrical power generating subsystem |
| 10/05/1991 | WO1991015889A1 Battery protection system |
| 10/05/1991 | CA2024656A1 Method and apparatus for charging a battery in high amp and automatic charging modes |
| 10/04/1991 | CA2079338A1 Apparatus and method for calorimetrically determining battery charge state |
| 10/02/1991 | EP0449397A2 Power supply device for a load of a trailer vehicle |
| 10/02/1991 | EP0448767A1 Battery system |
| 10/02/1991 | EP0448755A1 Intelligent battery system |
| 10/02/1991 | EP0448745A1 Method and switching layout for controlling the functionality and readiness of a battery |
| 10/02/1991 | DE4010343A1 Switched coupling of battery pack to mains - is made using thyristors coupled to microcomputer regulator module |
| 10/02/1991 | DE4009777A1 Multi-use electrical lighting unit - has lamp that can be removed from stand for use as portable unit |
| 10/02/1991 | CN1055086A Impulse type rapid charger |
| 10/01/1991 | US5052943 Recharging and data retrieval apparatus |
| 09/26/1991 | DE4009402A1 Battery-powdered machine tool with two-pole switch |
| 09/26/1991 | DE4009389A1 Solar-operated warning light for road traffic - has battery charged via solar cells during daylight for operation of light at night |
| 09/25/1991 | EP0448505A2 Battery driven device |
| 09/25/1991 | EP0448235A2 Battery charging apparatus |
| 09/25/1991 | EP0448065A1 A battery-recharging system for a motor vehicle |
| 09/25/1991 | EP0448064A1 A system for recharging the battery of a motor vehicle |
| 09/25/1991 | EP0447422A1 A linkage system for loading machines. |
| 09/25/1991 | CN2085464U Multifunctional chargeable torch |
| 09/25/1991 | CN1054859A Light charging source for starting automobile |
| 09/25/1991 | CN1054841A Chinese-character code based on order of pronunciations and shapes |
| 09/19/1991 | WO1991014307A1 A system and structure to alternate battery drain |
| 09/18/1991 | CN2085106U High-frequency contravariant type charging machine |
| 09/18/1991 | CN2085105U Auto-controll device of charging machine |
| 09/18/1991 | CN1054661A Portable type measuring instrument with solar batteries |
| 09/17/1991 | US5049805 Voltage sensitive switch |
| 09/17/1991 | US5049804 Universal battery charging system and a method |
| 09/17/1991 | US5049803 Method and apparatus for charging and testing batteries |
| 09/17/1991 | US5049802 Charging system for a vehicle |
| 09/11/1991 | EP0445180A1 System and method for rapid charging of a battery. |
| 09/11/1991 | CN2084677U Controller for charging switch-over |
| 09/11/1991 | CN2084676U 电子自控充电器 Electronic Controls Charger |
| 09/11/1991 | CN2084551U Charging multifunctional electronic flash light |
| 09/05/1991 | WO1991013389A1 Charging system for a vehicle |
| 09/05/1991 | WO1991013254A1 Starter battery for otto-engines |
| 09/04/1991 | EP0444693A2 Portable type measuring instrument with solar batteries |
| 09/04/1991 | EP0444617A2 Method of charging secondary batteries |
| 09/04/1991 | CN2084248U Pocket-size charger |
| 09/04/1991 | CN1054338A Comprehensive power supply apparatus for both electric generation and energy accumulation |
| 09/03/1991 | US5046136 Radio communication apparatus including power supply device |
| 09/03/1991 | US5045769 Intelligent battery charging system |
| 09/03/1991 | US5045768 Off-line battery charger |
| 08/28/1991 | CN2083804U 插入式恒流充电器 Plug-in constant current charger |
| 08/27/1991 | US5043650 Battery charger |
| 08/22/1991 | WO1991012651A1 Energy converter |
| 08/21/1991 | CN2083359U 电池充电器 Battery Charger |
| 08/21/1991 | CN2083358U 电子电瓶充电器 Electronic battery charger |
| 08/20/1991 | US5041952 Control circuit for a solar-powered rechargeable power source and load |
| 08/20/1991 | US5041776 Motor vehicle power supply device |
| 08/20/1991 | US5041762 Luminous panel |
| 08/20/1991 | CA1287876C Method for charging nickel-cadmium batteries and circuit arrangementfor carrying out the method |
| 08/14/1991 | EP0441212A2 A battery charging device |
| 08/14/1991 | DE4003808A1 Accumulator driven electric device e.g. torch - has accumulator attached to drawer to be pushed into device housing |
| 08/13/1991 | US5039931 12 Volt battery charger circuit |
| 08/13/1991 | US5039930 Battery booster |
| 08/13/1991 | US5039929 Automatic charger capable of charging several batteries |
| 08/13/1991 | US5039928 Accumulator for portable computers |
| 08/13/1991 | US5039927 Storage battery and heater combination |
| 08/13/1991 | US5039173 Brake system for vehicle combinations |
| 08/13/1991 | US5038728 Method & apparatus for managing alternator loads on engines |
| 08/13/1991 | US5038566 Power supply system for turbocharger with rotary electric machine |
| 08/08/1991 | DE4003513A1 Battery charging power pack for solar-powered vehicle - consists of foldable array of solar panels with circuit for switching requisite number of charged cells |
| 08/07/1991 | CN2082484U Quick charging equipment of sealed nicke-cadmium battery |
| 08/07/1991 | CN2082483U Regenerated charging device for nickel-cadmium battery |
| 08/07/1991 | CN2082482U Dc source transferring instrument of nickel-cadmium battery |
| 08/06/1991 | US5038093 Rechargeable cell terminal configuration and charging device |
| 07/31/1991 | EP0439116A2 Charge device capable of lengthening a lifetime of a storage cell |
| 07/31/1991 | EP0438884A1 Control apparatus for electric generator |
| 07/31/1991 | EP0438477A1 Automotive battery status monitor. |
| 07/31/1991 | EP0207087B1 Re-regulation circuit for automobile tachometer detection circuit |
| 07/31/1991 | CN2082046U Uninterruption power supply |
| 07/31/1991 | CN2082029U Blasting apparatus used for directly charging build-in cell using charger |
| 07/30/1991 | CA1287105C Power-supply arrangement |
| 07/30/1991 | CA1287102C Automotive charging apparatus |
| 07/24/1991 | EP0437423A1 Dc/dc converter. |
| 07/24/1991 | CN2081604U Electronic regulator with distinguish and displaying breakdown |
| 07/23/1991 | US5034871 DC to DC converter with steady control of output DC voltage by monitoring output DC current |
| 07/23/1991 | CA1286718C Dual generator electrical system |
| 07/23/1991 | CA1286717C High dc voltage power supply for motor vehicle electrical system |
| 07/18/1991 | DE4000617A1 Light-weight recyclable car - runs on stored solar energy and diesel engine with three-cylinders and two-strokes |
| 07/17/1991 | CN2081168U Emergency lantern supplied by photoelectric cell |
| 07/17/1991 | CN1053153A Arrangement for supplying loads from new energy source |
| 07/16/1991 | US5032717 Remote control for anode-cathode adjustment |
| 07/11/1991 | DE4100272A1 Oscillator current supply for portable data appts. - delivers energy to primary coil with electromagnetically coupled detector coil for load change pick=up |
| 07/10/1991 | CN2080724U Multipurpose inverting power supply for electric exploration |
| 07/09/1991 | US5030902 Mechanism for an electrical appliance |
| 07/03/1991 | EP0435317A2 Personal computer for performing charge and switching control of different types of battery packs |
| 07/03/1991 | EP0434905A2 A small electronic device capable of switching batteries by releasing a battery locking mechanism |
| 07/03/1991 | CN2080263U Transistor adjuster of automobile electric generator |
| 07/03/1991 | CN2080258U Fully automatic charging and power supply device for small four-wheel tractor |