Patents
Patents for H02J 7 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries (94,693)
11/1992
11/24/1992US5167024 Power management for a laptop computer with slow and sleep modes
11/24/1992US5166596 Battery charger having variable-magnitude charging current source
11/24/1992US5166595 Switch mode battery charging system
11/24/1992US5166594 Battery charging system with fault indication
11/24/1992US5166584 Electric vehicle
11/24/1992US5166538 Dual or single voltage vehicular power supply with improved switch driver and load dump
11/24/1992CA1310691C Battery charging system
11/22/1992CA2078644A1 Instrument handle for use with interchangeable batteries
11/19/1992EP0514072A2 Facsimile equipment
11/18/1992WO1992021174A1 Device for optimizing the discharge of at least two electrochemical generators
11/17/1992US5165048 Flashlight battery recharger system
11/17/1992US5164761 Battery system for camera
11/17/1992US5164655 12-24 volt power system
11/17/1992US5164654 Solar energy operated automatic charge device for electric appliances
11/17/1992US5164653 Battery discharge control system
11/17/1992US5164652 Method and apparatus for determining battery type and modifying operating characteristics
11/12/1992DE4204105A1 Electrical power supply for road vehicle - has two separate status on AC generator with control circuit to allow high voltage take off for operations such as welding
11/11/1992EP0512711A2 Device for measuring the quantity of electricity stored in a battery
11/11/1992EP0512340A1 Overcharge preventing device and overdischarge preventing device for a secondary battery
11/11/1992EP0512081A1 Voltage-control unit for a generator.
11/11/1992CN1019069B Method and circuit for voltage regulation of dc power sources
11/10/1992US5162721 Electronic system to discriminate a plurality of power sources
11/10/1992US5162720 Vehicle electrical system
11/10/1992US5162719 Battery pack charger
11/04/1992EP0511740A1 Battery powered device
11/03/1992US5161097 Electric power unit
11/03/1992US5160880 Method and apparatus for charging and testing batteries
11/03/1992US5160851 Rechargeable back-up battery system including a number of battery cells having float voltage exceeding maximum load voltage
10/1992
10/28/1992EP0510527A1 A monitoring circuit for a system for recharging a motor vehicle battery
10/28/1992EP0510015A1 Method of charging a battery means with a load
10/27/1992US5159426 Integrated circuit with improved battery protection
10/27/1992US5159259 Power supply system for continuously energizing a D.C. load
10/27/1992US5159258 Rechargeable battery conditioner unit
10/27/1992US5159257 Vehicle power supply apparatus for protecting a battery from excessive discharge
10/27/1992US5159256 Adaptor/holder for rechargeable electrical tool
10/21/1992EP0509914A1 Dual voltage electrical circuit for improved fault indication, especially for an automobile vehicle
10/21/1992EP0509284A2 Rechargeable battery powered electronic equipment with the headphone connector used for connection to either headphones or a battery changer
10/21/1992EP0509256A1 Unmanned conveying device in clean room
10/21/1992CN1065561A Automatic charge cut-off circuit and application
10/20/1992US5157321 Charging control apparatus for vehicle
10/20/1992US5157320 Computerized battery charger
10/20/1992US5157319 Contactless battery charging system
10/20/1992US5157318 Structure of battery charger for different size and specification batteries
10/20/1992US5157271 Apparatus for controlling a power supply of an electric machine in a vehicle
10/20/1992US5156520 Linkage system for loading machines
10/14/1992EP0508720A1 A close-loop controlled charging device with reference battery saturation status
10/14/1992EP0508694A2 A battery charging system
10/13/1992US5155672 Switched multi-tapped transformer power conversion method and apparatus
10/13/1992US5155428 Overdischarge and overvoltage protection circuit for a battery in a portable and mobile communication system
10/13/1992US5154985 Battery with a spare battery
10/13/1992CA1308768C Double voltage power circuit for automotive vehicle
10/07/1992EP0507569A2 Battery charger with temperature-sensitive cut-out switch
10/07/1992EP0507568A2 Automatic charge cut-off circuit and application
10/07/1992EP0507495A1 Automatic system battery reconnect circuit responsive to insertion of new battery replacement
10/06/1992US5153535 Power supply and oscillator for a computer system providing automatic selection of supply voltage and frequency
10/06/1992US5153497 Circuit for regulating charging of a storage battery by a photovoltaic array
10/06/1992US5153496 Cell monitor and control unit for multicell battery
10/06/1992US5153495 Convertible battery handle
10/04/1992CA2063646A1 Battery powered device
10/01/1992WO1992016992A1 Device for suppressing voltage drops
10/01/1992WO1992016991A1 Charging circuits for rechargeable batteries and cells
10/01/1992WO1992016990A1 Battery charging circuit and method
09/1992
09/30/1992EP0506439A1 Charging device
09/30/1992CN2117665U Switchable automatic charger
09/29/1992US5151851 Method and circuit arrangement for generating a sinusoidal line ac voltage from a dc voltage
09/29/1992US5151727 Battery coupler
09/29/1992US5151647 For a vehicle
09/29/1992US5151646 Battery-recharging system for a motor vehicle
09/29/1992US5151645 Charge device capable of lengthening a lifetime of a storage cell
09/29/1992US5151644 Battery manager chip with crystal-controlled time base
09/29/1992US5151643 Integral hang-up and battery charging apparatus
09/29/1992US5151641 Electric automobile driving apparatus
09/29/1992CA1308166C Charging control apparatus
09/27/1992WO1992017929A1 Inductive power distribution system
09/24/1992DE4208911A1 Voltage supply for hand-held electrical device - uses battery coupled via self-oscillating oscillator to transformer supply AC voltage for load circuit
09/24/1992DE4109645A1 Einrichtung zur unterdrueckung von spannungseinbruechen Device for suppressing spannungseinbruechen
09/23/1992EP0505234A1 Detection circuit of a switch-state, especially of a contact key in an alternator-voltage regulator
09/23/1992EP0504864A1 Telephone set with a first and a second handset
09/23/1992CN2116997U Integral brushless automobile engine with initiation protecting device
09/23/1992CN2116983U Domestic solar ac source
09/23/1992CN1064769A Battery charging method and device controlled by voltage difference
09/23/1992CN1018410B Impulse type rapid charger
09/23/1992CA2038838A1 Portable storage battery charging system
09/22/1992US5150033 Flat plate sealed lead-acid battery charging system and method
09/22/1992US5150032 Combined charging and supply circuit
09/22/1992US5150031 Battery charging system
09/22/1992US5149985 Two-battery supply for operating and waiting modes of a carphone
09/17/1992WO1992015893A1 Battery charge state indicator
09/16/1992CN2116300U Multipurpose machine for automotive maintenance
09/15/1992US5148096 Charging method for batteries
09/15/1992US5148094 Charger with universal battery pack receptacle
09/15/1992US5148042 Small electronic device capable of switching batteries by releasing a battery locking mechanism
09/15/1992US5147985 Sheet batteries as substrate for electronic circuit
09/10/1992DE4107391A1 Electric road vehicle with rechargeable battery - has DC=AC converter acting as DC regulator during battery recharging
09/09/1992EP0502623A1 Battery system for camera
09/09/1992CN2115600U Solar electric power supply device
09/08/1992US5146150 Safe battery cell interconnects
09/08/1992US5146149 Automotive-type storage battery with built-in charger
09/08/1992CA1307312C Small engine for hand-held work machines
09/05/1992WO1992016030A1 Integral hang-up and battery charging apparatus