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| Number | Title | Issue Date |
| 8183837 | Control device and control method for electric system In an electric system including a first converter and a second converter connected in parallel, an ECU executes a program including a step of selecting a charging mode for a first battery pack connected to the first converter and a charging mode for a second battery... | 05/22/2012 |
| 8174242 | Apparatus and method for pre-charging in charging/discharging equipment for an energy-storage device An apparatus includes a switching circuit operable with an arrangement configured to effectuate a charging or discharging of an energy-storage device to a circuit including electrically-parallel condenser. The switching circuit includes a main switch electrically co... | 05/08/2012 |
| 8159193 | Wireless communication device A semiconductor device which can operate normally even when the communication distance is extremely short, and which stores excess electric power which is not needed for circuit operation of the semiconductor device when a large amount of electric power is supplied ... | 04/17/2012 |
| 8143861 | Charge control device and vehicle using the same At the time of charging a power storage device from a commercial power supply, electric power from the commercial power supply is applied to a neutral point of each of first and second motor generators. A rotation preventing control unit (222) determines one ... | 03/27/2012 |
| 8063610 | Multi-power charger A multi-power charger comprises an internal battery, receptacles for connecting one or more external power sources, and output receptacles for connecting to an electronic device. A voltage selection circuit determines an operating voltage of the first device and sel... | 11/22/2011 |
| 8044639 | Selector circuit A selector circuit outputs one of a first input voltage or a second input voltage via an output terminal. A first transistor and a second transistor are provided in series between a first input terminal and the output terminal. A third transistor and a fourth transi... | 10/25/2011 |
| 8004247 | Switchable battery charger circuit In one or more embodiments, a battery charger switching circuit enables a device to automatically select between multiple device interfaces individual ones of which are connectable to different power supplies for recharging the device. In at least some embodiments, ... | 08/23/2011 |
| 7928698 | Battery charging apparatus and method A battery charger that includes a primary switching-mode power supply, a secondary switching-mode power supply and a capacitor that is electrically connected to these two power supplies. In operation, this battery charger may be used to reverse the sulfation process... | 04/19/2011 |
| 7893657 | Multi-power charger and battery backup system A multi-power charger comprises an internal battery, receptacles for connecting one or more external power sources, and output receptacles for connecting to an electronic device. A voltage selection circuit determines an operating voltage of the first device and sel... | 02/22/2011 |
| 7847521 | Power supply system for vehicle A power supply system for a vehicle includes: batteries; motor generators operating as rotating electrical machines driven by electric power in the batteries when the vehicle is running, and constituting a first charger when the batteries are charged by electric pow... | 12/07/2010 |
| 7843171 | Method and apparatus for battery charging based on battery capacity and charging source constraints A battery charging circuit sets charging current according to either the capacity of the battery under charge or a constraint of the charging source, depending on the properties of the charging source. The battery charging circuit sets termination current, however, ... | 11/30/2010 |
| 7791316 | Battery with isolated charging circuit for LMR portable radio applications A system of optimally recharging a battery cell while powering a device connected to the battery pack, in which an electronic switch connects a battery pack power-output either to the battery cells or to a second power-input contact. When not recharging, the battery... | 09/07/2010 |
| 7728558 | Systems and methods for selectively changing current limit of a battery controller Systems and methods for selectively changing the current threshold of current limiting circuitry are provided. The current limit threshold of current limiting circuitry may be selectively changed based on a detected power source using a resistive network. The curren... | 06/01/2010 |
| 7688037 | Charging control apparatus and method of mobile terminal Provided are a charging control apparatus and method of a mobile terminal, capable of charging a battery at different charging current rates according to a charging mode of an input power. The charging control apparatus includes: a battery; an external port connecto... | 03/30/2010 |
| 7626365 | Charging system and method The invention concerns a method (200) and system (100) for charging a battery (110). The method includes the steps of receiving (212) an input power supply signal (300), monitoring (216) the input power supply signal to dete... | 12/01/2009 |
| 7554298 | Charger and integrated circuit having first and second charging currents A charger of the present invention includes a charging transistor and a charging integrated circuit. The charging transistor is series-connected with a secondary battery to supply a charging current to the secondary battery. The charging integrated circuit is incorp... | 06/30/2009 |
| 7508171 | Protection methods, protection circuits and protective devices for secondary batteries, a power tool, charger and battery pack adapted to provide protection against fault conditions in the battery pack In a cordless power tool system, protection methods, circuits and devices are provided to protect against fault conditions within a battery pack that is operatively attached to a power tool or charger, so as to prevent internal or external damage to the battery pack... | 03/24/2009 |
| 7474079 | Battery charger with backup charging circuit A charger capable of safely charging an apparatus even when the current limit value of an external power supply is less than the maximum charging current of the charger or when the battery voltage is low. Charger 100 has backup charging circuit 160 tha... | 01/06/2009 |
| 7425815 | Modulation charging circuitry for battery charging Circuitry for charging a battery includes a switch for coupling the power source to the battery. The switch is turned on and off in accordance with a periodic control signal including a plurality of periods. Each period includes a first duration during which the con... | 09/16/2008 |
| 7422817 | Fuel cell device with compound power supply A fuel cell device with a compound power supply is disclosed, which comprises a bipolar fuel cell board and an auxiliary power supply. The bipolar fuel cell board includes at least one fuel cell unit. The auxiliary power supply is disposed on the bipolar fuel cell b... | 09/09/2008 |
| 7414332 | Electric power unit and electronics device obtaining power from a plurality of power sources An electric power unit selectable and usable a plurality of electric sources, including an electric source-discriminating device to detect attached electric sources of the plurality of electric sources, an electric source-selecting device to select one of the attach... | 08/19/2008 |
| 7388352 | Methods and apparatus for simultaneously charging multiple rechargeable batteries A charger has two or more separate charging ports to which two or more rechargeable batteries can be coupled, respectively. Current from a single current source is allocated to the two or more separate charging ports so that the two or more rechargeable batteries wi... | 06/17/2008 |
| 7385374 | Adaptive power system A power system having an extended life and a system and method for extending the life of a battery powered device. In one embodiment, the method comprises providing a plurality of power sources and an alternate energy source. The method also comprises measuring the ... | 06/10/2008 |
| 7375985 | High efficiency single stage bidirectional converter The present invention focuses on the development of a high-efficiency single-stage bidirectional converter with multi-input power sources. In the present invention, it takes a three-winding coupled inductor as the main component of energy transmission, and utilizes ... | 05/20/2008 |
| 7362005 | Isolated dual battery system An isolated dual power source system for isolating a first power source of a vehicle, connected to an engine starter, from a second power source of the vehicle which has an electrical circuit for distributing electrical power among the consumers, includes first and ... | 04/22/2008 |
| 7363522 | Apparatus and methods for information handling system with power supply device with variable output power An information handling system includes a power source configured to provide a plurality of power levels to a load. At least one of the plurality of power levels corresponds to a level obtained by de-rating a capacity of the power source from a nominal design specif... | 04/22/2008 |
| 7363518 | Information handling system with power fault protection circuit An information handling system (IHS) employs a power fault protection circuit to protect the IHS from overvoltages which may occur on an information line from a power adapter to the IHS. The system includes a processor coupled to the protection circuit. The circuit ... | 04/22/2008 |
| 7358621 | Using sound waves and photic energy for electric power An electric power generating and gaining device using sound waves and photic energy to generate magnetism together using a crystal microphone device providing a metallic film with metallic coil leading wires to sense and receive the frequency of external sound waves... | 04/15/2008 |
| 7358857 | Global positioning systems applications A global positioning system includes a fixed base unit of known position and at least one mobile unit, the base unit and the mobile unit each including a GPS receiver. This system further includes means for comparing the simultaneous GPS identified positions of the ... | 04/15/2008 |
| 7339353 | Power system for managing power from multiple power sources A power source system including a power distribution apparatus has an energy management system for managing the provision of power from multiple power sources to multiple electrical devices. The power distribution apparatus may have a combination of primary and seco... | 03/04/2008 |
| 7338328 | Cigarette lighter adapter device that interfaces with an external device via a port interface A CLA device comprises a CLA plug that is insertable into an external CLA socket, for example, a DC CLA socket inside a vehicle. The CLA device has a housing coupled to the CLA plug, for example, by integration or via a tethered wire, with the housing having a suppo... | 03/04/2008 |
| 7340627 | Method and system for supplementing current during enumeration of a USB device A method and device for supplementing current from the USB bus for enumerating USB devices that require additional current beyond that allowable by USB bus specification. A chargeable power source, such as a capacitor or rechargeable battery, is supplied to the enum... | 03/04/2008 |
| 7336054 | Apparatus and method of activating a microcontroller An electrical device, such as a battery charger, a method for operating an electrical device, a method for charging a battery, and a software program for operating the electrical device and/or the battery charger. In some aspects, the battery charger is capable of c... | 02/26/2008 |
| 7327544 | Battery protection device A battery protection structure is described. The structure provides battery overcharging protection while allowing for minimal battery voltage drop during normal battery operation. One resistance element sets voltage drop during normal operation, and the sum of two ... | 02/05/2008 |
| 7309966 | Motor vehicle A motor vehicle comprising at least one electric motor, an energy storage device for providing drive energy for the electric motor, a plug connector connected to the energy storage device for connection to a current source and a control means for controlling the flo... | 12/18/2007 |
| 7305498 | Circuit for transmitting electronic signals on a status of connectivity of an electronic device A circuit (11) utilizing a serial advanced technology attachment (ATA) interface for transmitting connectivity signals from the serial ATA interface to a controller (10) in order for the controller to determine a status of connectivity of a hard drive ... | 12/04/2007 |
| 7298113 | Battery pack A detecting switch which is turned on/off in accordance with whether or not primary batteries have been attached to a primary battery holder is provided. In a normal state where no primary battery is attached, terminals (a, c) of a charge change-over switch are conn... | 11/20/2007 |
| 7292006 | Controlled DC power supply for a human powered vehicle A DC power supply apparatus used with a power storage element comprises a rectifier circuit that converts AC current from an alternating current generator into a DC current; an input current adjusting circuit that receives DC current from the rectifier circuit to ad... | 11/06/2007 |
| 7268518 | Battery charger and emergency power supply assembly A battery charger and emergency power supply assembly includes a housing. A switch is positioned in the housing and electrically coupled to a power supply. At least one electrical plug outlet is mounted in the housing and electrically coupled to the switch. A batter... | 09/11/2007 |
| 7253589 | Dual-source CMOS battery charger A circuit for charging a battery by selecting among two available power sources while providing overcharging and temperature protection to the battery and managing a charging current is described. A power pass and sense circuit is arranged to provide charge voltage ... | 08/07/2007 |
