| Patents for H02J 7 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries (94,693) |
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| 03/16/1994 | CN2159081Y Multifunction portable feeder box with air compressor in it |
| 03/16/1994 | CN2159080Y Multifunction portable feeder box |
| 03/15/1994 | US5294881 Circuit for detecting the state of a switch, in particular a car key contact in a voltage regulator of an alternator |
| 03/15/1994 | US5293892 Solar powered injection device and method |
| 03/09/1994 | EP0586315A1 Assembly for recharging storage batteries of a electrically driven vehicle |
| 03/09/1994 | CN2158591Y Arrangement for charging Ni-Cd battery with alarm |
| 03/09/1994 | CN2158590Y Domestic energy storage type device for pupplying electricity |
| 03/09/1994 | CN1083649A A connecting apparatus for a video tape recorder having a built-incamera |
| 03/09/1994 | CN1083629A Apparatus preventing from reverse charging of electricity |
| 03/09/1994 | CN1083595A Process for determining the backup time of a battery |
| 03/08/1994 | US5293308 Inductive power distribution system |
| 03/08/1994 | US5293109 Early recognition battery disconnect |
| 03/08/1994 | US5293076 Vehicle control apparatus |
| 03/03/1994 | WO1994005068A1 Method and apparatus for battery charging |
| 03/03/1994 | WO1994004394A1 3-pole battery switches |
| 03/03/1994 | DE4329337A1 Battery set with discriminator controller for portable computer - has housing contg. lithium-ion battery, further battery and charge-discharge circuit and occupying space for standard battery set |
| 03/03/1994 | DE4328953A1 Residual charge indicator for electrical vehicle secondary battery - calculates residual charge of main battery from voltage or electrolyte conc. of parallel auxiliary battery |
| 03/03/1994 | DE4327979A1 Battery charger with automatic control - monitors voltage across battery terminals to terminate charging current at given voltage level |
| 03/03/1994 | DE4225686A1 Microprocessor circuit arrangement for identifying and charging a battery pack - detects and displays electrical code, and processes signal from temp. sensor in battery pack |
| 03/02/1994 | EP0585021A2 Improvements in battery operated electric machines |
| 03/02/1994 | EP0584362A1 Method for charging battery and apparatus therefor |
| 03/01/1994 | US5291117 Method and an apparatus for charging a battery |
| 03/01/1994 | US5291116 Circuitry for controlling direct current voltage |
| 03/01/1994 | US5290643 Battery temperature detecting device for a charger |
| 03/01/1994 | US5290191 Interface conditioning insert wafer |
| 03/01/1994 | CA1327385C Cordless battery charger |
| 02/24/1994 | DE4326960A1 Battery charging unit for supplying charging current to battery - has unit for determining and storing battery voltage occurring after expiry of given time duration after beginning of charging operation. |
| 02/23/1994 | EP0583630A1 Dual battery switch circuit |
| 02/23/1994 | CN2157619Y Quick charger for nickel-cadmium cell |
| 02/23/1994 | CN2157618Y Automatic charged cadmium-nickel cell dc power screen |
| 02/23/1994 | CN2157617Y 袖珍充电器 Pocket Charger |
| 02/22/1994 | WO1994005069A1 Battery temperature compensating device for battery recharging systems |
| 02/22/1994 | US5289105 Voltage-regulator circuit for a system for recharging the battery of a motor vehicle |
| 02/22/1994 | US5289104 Battery charging device |
| 02/22/1994 | US5289103 Battery charger for towed vehicle |
| 02/22/1994 | US5289102 Battery charger having charging completion indicator |
| 02/22/1994 | US5289101 Battery charger with charging current controller |
| 02/17/1994 | WO1994003957A1 Device for preventing reverse charging |
| 02/17/1994 | DE4226530A1 Power supply circuit for e.g. remote control applications - has energy store comprising two capacitors switchable in parallel or in series |
| 02/17/1994 | DE4226529A1 Electrical DC power supply - has capacitive energy store supplying load with reserve battery energy when voltage falls below threshold value |
| 02/16/1994 | EP0582913A1 Switching device |
| 02/16/1994 | CN2156612Y Energy-saving electricity charging machine |
| 02/16/1994 | CN2156611Y Quick automatic protecting electricity charger for Ni-Cd battery |
| 02/16/1994 | CN2156610Y Automatic polar discharge eliminating silicon control quick electricity charger |
| 02/16/1994 | CN2156533Y Communication power supply with voltage stabilizing selfchanging current circuit |
| 02/15/1994 | US5287518 Engine crankshaft variable reluctance alternator |
| 02/15/1994 | US5287053 Power supply with a battery disconnect |
| 02/15/1994 | US5287052 Size adjustable battery charger |
| 02/10/1994 | DE4226311A1 Three=phase current generator for vehicle - uses voltage between star-point and earth (roughly half line voltage) to power auxiliaries in vehicle |
| 02/09/1994 | EP0582526A1 Method for determining battery discharge time |
| 02/09/1994 | EP0500520B1 Process for operating a recording device powered by at least one rechargeable accumulator |
| 02/09/1994 | CN1081791A Power supply with battery disconnect |
| 02/08/1994 | US5285344 Overvoltage protection device |
| 02/08/1994 | US5285146 Regulator circuit for the voltage for charging a battery by an alternator |
| 02/03/1994 | WO1994002981A1 Ac to dc and dc powered battery reclaimer and maintainer |
| 02/03/1994 | WO1994002968A1 Device for displaying remaining charge of secondary cell |
| 02/03/1994 | WO1994001993A1 Recharging system for a battery operated tool |
| 02/03/1994 | DE4325505A1 Electronic control device for automobile engine speed and dynamo - detects electrical load current gradient to reduce energising winding current for maintaining stable engine idling revs |
| 02/03/1994 | DE4225515A1 Vehicle generator output voltage raising device - couples output lines of generator stator winding system to earth via controlled switches. |
| 02/03/1994 | DE4225514A1 Indication method for state of battery charge in stored motor vehicles - is based on encoded flashes of radio theft-warning LED driven by comparator of battery voltage with full-charge and partial-charge thresholds |
| 02/03/1994 | DE4225513A1 Switching control of vehicle battery charge monitoring lamps - involves already incorporated systems in comparison of battery voltage with overload threshold value increasing stepwise with temp. |
| 02/03/1994 | CA2140912A1 Recharging system for a battery operated tool |
| 02/03/1994 | CA2119650A1 Device for displaying remaining charge of secondary cell |
| 02/02/1994 | CN2155096Y Miner's lamp charging rack with silicon controlled constant voltage |
| 02/02/1994 | CN2154801Y Motorcycle headlight brightening device |
| 02/02/1994 | CN1023677C Quick charger for sealed calmium-nickel accumulator |
| 02/01/1994 | US5283513 Battery charging device for electric vehicles |
| 02/01/1994 | US5283512 Charge balancing of batteries during charging |
| 02/01/1994 | US5283511 Rechargeable battery manager |
| 01/26/1994 | EP0580351A2 Battery charging apparatus |
| 01/26/1994 | EP0580300A1 Charging device of a secondary battery for controlling termination of charging in response to the change state of terminal voltage of the secondary battery |
| 01/26/1994 | EP0580180A1 Charging circuit capable of supplying DC voltage directly to power supply circuit when battery is removed |
| 01/26/1994 | EP0580174A1 Desktop radiotelephone holder |
| 01/26/1994 | EP0580107A1 Magnetic levitation transport system |
| 01/26/1994 | EP0579946A1 Process for maintaining the charge in a storage battery and apparatus for carrying out the process |
| 01/26/1994 | CN2154553Y 充电机 Charger |
| 01/26/1994 | CN1081290A Numerically controlled small wind-driven generator |
| 01/25/1994 | US5282124 Power unit having overcurrent/undervoltage-responsive protective function |
| 01/25/1994 | US5282054 Facsimile equipment having different operations with different power sources |
| 01/25/1994 | US5281990 Battery pack adapter for video cameras |
| 01/25/1994 | US5281904 Multi mode cordless battery charger |
| 01/25/1994 | US5281792 For a vehicle mounted storage battery |
| 01/20/1994 | WO1994001914A1 Method and apparatus for monitoring battery capacity with charge control |
| 01/20/1994 | WO1994001913A1 Method and apparatus for monitoring battery capacity under fast discharge conditions |
| 01/20/1994 | WO1994001912A1 Power supply with a battery disconnect |
| 01/19/1994 | CN2153898Y Permanent-magnet generator with protective function for car |
| 01/19/1994 | CN2153897Y Automatic constant current charger for ni battery |
| 01/19/1994 | CN1081030A High-voltage direct-charged and dc-ac converting emergency power supply |
| 01/18/1994 | US5280232 Method and apparatus for voltage regulation depending on battery charge |
| 01/18/1994 | US5280230 Automatic nickel cadmium battery cycler |
| 01/18/1994 | US5280229 Charging device for rechargeable batteries |
| 01/18/1994 | US5279292 Charging system for implantable hearing aids and tinnitus maskers |
| 01/13/1994 | DE4241066C1 Automatische Laststromrückregelung Automatic load current feedback control |
| 01/13/1994 | DE4222665A1 Treadle for generating electric power by body strength - has DC generator with voltage control plus accumulator with multivibrators and relays to select energy source |
| 01/12/1994 | EP0578531A2 Distributed storage non-interruptable power supply system |
| 01/12/1994 | EP0577994A1 Phase winding detector and alternator battery charging system |
| 01/12/1994 | EP0577987A2 Device for controlling the output voltage of an engine-driven generator |
| 01/12/1994 | EP0577810A1 Battery charge monitor and fuel gauge |
| 01/12/1994 | EP0577611A1 Inductive power distribution system |
| 01/12/1994 | CN2153169Y 多功能自动充电模块 Multifunctional automatic charging module |