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| Number | Title | Issue Date |
| 8183819 | High-speed charging power supply device and high-speed charging power supply method A boosting-charge power supply apparatus which supplies electric power for charging a mobile body having a boosting-charge control function includes: a rectifier for supplying DC power; a first power storage for storing DC power from the rectifier and outputting DC ... | 05/22/2012 |
| 8154244 | Power management of device with modular components A method, system, and medium are provided for managing power in an electronic device to enhance battery performance. One aspect includes automatically accelerating discharge of a battery below a threshold prior to recharging the battery. Another aspect includes meas... | 04/10/2012 |
| 8138714 | Portable hybrid multi-input remote AA battery chargers A portable hybrid multi-input remote AA battery charger is provided that can recharge as many as four (4) AA batteries at once within 100 minutes. This invention's battery charger for rechargeable batteries can also be powered by a number of the currently available ... | 03/20/2012 |
| 8129939 | Slate wireless keyboard charging and connection An approach is provided that determines whether keyboard power connection points included in a wireless keyboard are connected to system power connection points in a computer system. Power is sent from the computer system to the wireless keyboard. The power is trans... | 03/06/2012 |
| 8120309 | Apparatus and method for charging a first battery from a second battery A charger that charges at least one first battery from at least one second battery, with the first battery to be charged and the second charging battery arranged in a charger, and with the capacity of the first battery to be charged being substantially less than tha... | 02/21/2012 |
| 8111035 | Charging system, charging device and battery pack A charging system is provided with a secondary battery, a charging current supplier for supplying a charging current to the secondary battery, an internal resistance detector for detecting the resistance value of the internal resistance of the secondary battery, and... | 02/07/2012 |
| 8084987 | USB port with smart power management A method involves detecting an inrush current that flows out of a USB port of a first electronic device when a central processing unit (CPU) of the first electronic device is not being powered. The inrush current is detected by a novel inrush current detect circuit ... | 12/27/2011 |
| 8030880 | Power generation and battery management systems The disclosed power system may comprise first and second batteries; an electrical power generator; an electrical load powered by at least one of the first battery, the second battery or the electrical power generator; a converter; and a battery management controller... | 10/04/2011 |
| 8022662 | Power supply for battery powered devices An auxiliary power supply (150) includes an auxiliary battery (152), power supply circuitry (154), and a connector (108b). The power supply circuitry (154) supplies an output which provides electrical energy for powering the... | 09/20/2011 |
| 7986123 | Apparatus and method for the power management of operatively connected batteries respectively on a handheld electronic device and a holder for the handheld electronic device A handheld electronic device in conjunction with a holder for the handheld electronic device that together form an electronic device. The handheld electronic device includes a first battery and the holder includes a second battery and a charging apparatus. When the ... | 07/26/2011 |
| 7977912 | Electronic apparatus and battery unit According to one embodiment, an electronic apparatus includes a main body and a battery unit which supplies power to the main body. The battery unit includes a first battery having a first connecting portion connected to the main body and a second connecting portion... | 07/12/2011 |
| 7977911 | Power supply topology A power supply system can include a primary power supply coupled to an output, and a secondary power supply coupled to the output. The primary power supply provides power to the output when a voltage level of the secondary power supply is less than a first predeterm... | 07/12/2011 |
| RE42333 | Electric appliance equipped with redundant battery enabled by the main power supply A system to provide power to a peripheral device is equipped with a primary cell, secondary rechargeable cell, or super capacitor, and a redundant battery which is charged through a power control circuit, the redundant battery in turn charging the primary cell, seco... | 05/10/2011 |
| 7915855 | Portable terminal and power supply control method A portable terminal and power supply control method are provided. The portable terminal having a power supply control feature includes a main battery for supplying power to the portable terminal, an auxiliary battery for supplying power to the portable terminal inde... | 03/29/2011 |
| 7888907 | Controlled charging and use of power source A circuit to supply power to a load incorporates a first power source, a second power source that may be detachable, a power converter and at least one capacitor (capacitive element), where the first power source is capable of powering the load when charged, where t... | 02/15/2011 |
| 7868583 | Apparatus and method for controlling battery recharging and discharging in a portable terminal An apparatus and method for controlling battery discharging in a portable terminal having a detachable external battery are provided. The method includes determining if the external battery has been connected with the portable terminal when the portable terminal is ... | 01/11/2011 |
| 7863856 | Bi-directional battery charging for coupled electronic devices A system for bi-directional battery charging, including a first electronic device, including a first rechargeable battery, for providing power to the first electronic device, and a first battery charger, and a second electronic device, including a second rechargeabl... | 01/04/2011 |
| 7847514 | Apparatus and method for the power management of operatively connected batteries respectively on a handheld electronic device and a holder for the handheld electronic device A handheld electronic device in conjunction with a holder for the handheld electronic device that together form an electronic device. The handheld electronic device includes a first battery and the holder includes a second battery and a charging apparatus. When the ... | 12/07/2010 |
| 7839116 | Power supply device, control method of power supply device, and motor vehicle equipped with power supply device In a power supply device of the invention, when the state of charge SOC1 of a low-voltage battery is lower than a discharging reference value Shi1 below a full charge level and when the state of charge SOC2 of a high-voltage battery is not lower... | 11/23/2010 |
| 7834581 | Apparatus and method for sensing attachment or detachment of battery in portable terminal A method for sensing detachment of a external battery in a portable terminal including a connector with which the external battery is detachably assembled includes determining that the external battery is assembled with the connector when an output voltage is observ... | 11/16/2010 |
| 7830111 | Power delivery system including interchangeable cells A power cell system includes a structure that provides multiple power cell locations. The system also includes at least one regenerative power cell, and at least one non-regenerative power cell. The cell locations and power cells are sized and positioned so that eac... | 11/09/2010 |
| 7825624 | Battery-operated power output device A battery-operated power output device includes a battery seat for receiving a dry cell power source, a charging signal generator connected to the battery seat for generating a charging signal output, a power source connector for connection to a rechargeable battery... | 11/02/2010 |
| 7821225 | Hybrid power supply and power management method thereof The invention provides a power management method for a hybrid power supply, comprising providing a primary power source, providing a rechargeable battery, providing a DC-DC converter, acquiring an amount of the power stored in the rechargeable battery, and when the ... | 10/26/2010 |
| 7764043 | Battery charger with internal battery A battery charger includes a first charging circuit controlling input power to charge an external battery detachably mounted to the charger; an internal secondary battery charged by the input power; a charge/discharge control circuit for charging the internal batter... | 07/27/2010 |
| 7679313 | Power delivery system including interchangeable cells A power cell system includes a structure that provides multiple power cell locations. The system also includes at least one regenerative power cell, and at least one non-regenerative power cell. The cell locations and power cells are sized and positioned so that eac... | 03/16/2010 |
| 7554285 | Portable battery charger A handheld mobile communication device includes a rechargeable first battery for powering the device. A charger includes a second battery. The charger is configured to be detachably coupled to and supported by the device. The device and the charger can be carried to... | 06/30/2009 |
| 7545117 | Two stage energy storage device An electronic device, which captures and accumulates varying levels of electrical energy in suitable short-term storage means until the energy is of such a level that it can be efficiently transferred to at least one long-term storage device means, such as electro-c... | 06/09/2009 |
| 7511451 | Electrical energy source The electrical energy source includes a portable enclosure that houses at least one battery pack, at least one battery charger, at least one AC inverter and, optionally, a regeneration device that can power the battery charger. Operation of batteries, AC inverters a... | 03/31/2009 |
| 7508162 | Method and apparatus for providing electrical energy to a portable device from energy storage of another portable device A method comprises the steps of determining values of one or more parameters of a first energy reservoir in a first device and corresponding parameters of a second energy reservoir in a second device, and setting a direction for transferring energy between the first... | 03/24/2009 |
| 7508161 | Electronic device and power supply method An electronic device and its power supply method for charging a battery of the device, which normally operates as a master, through a power supply line, without impairing a function as a master. For example, in an environment where a battery-driven first electronic ... | 03/24/2009 |
| 7495413 | Medical device battery system including a secondary power supply A battery system for a medical device includes a first power supply and a second power supply. The first power supply is capable of being connected to the medical device to supply power to the medical device during a first operating mode of the medical device. The s... | 02/24/2009 |
| 7486044 | Light detection power system and method for same The invention concerns a light detection power system (105). The system can include a solar cell charging circuit (120) having at least one solar cell (116) in which the solar cell charging circuit can provide power to a power source (114... | 02/03/2009 |
| 7459881 | Method and apparatus for monitoring battery back-up power in an alarm system An alarm system with improved power is provided. The improved power comprises at least two batteries. Each battery has the capacity to individually back up the alarm system for a standby period. The alarm system selects either battery and operates from that battery.... | 12/02/2008 |
| 7417407 | Circuit with a switch for charging a battery in a battery capacitor circuit A circuit for charging a battery combined with a capacitor includes a power supply adapted to be connected to the capacitor, and the battery. The circuit includes an electronic switch connected to the power supply. The electronic switch is responsive to switch betwe... | 08/26/2008 |
| 7408272 | Method and device for supplying electric energy power to an appliance The invention concerns a portable device for electric power supply comprising: connection means (8) for connecting an appliance (1) to be powered; and a power supply circuit (6; 16) supplying in output a supply voltage for the appliance when the... | 08/05/2008 |
| 7399554 | Hybrid rechargeable battery having high power and high energy density lithium cells A hybrid rechargeable lithium battery, which includes a plurality of high power rechargeable cells, having nano-particles therein, and high energy density rechargeable cells, with the high energy cells recharging the high power cells. The battery preferably includes... | 07/15/2008 |
| 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 |
| 7382108 | Charging apparatus and charging current detecting circuit thereof A charging apparatus and a charging current detecting circuit thereof are disclosed in which it is possible to implement an electric circuit with little voltage loss by using an operational amplifier of low cost. A detecting resistor is disposed at the power voltage... | 06/03/2008 |
| 7365515 | Universal battery charger To provide a universal battery charger with low power consumption during a standby condition and a rush current suppressing capability at the time of commencement of charging, a voltage slightly larger than a battery voltage is produced and applied to the battery. T... | 04/29/2008 |
| 7363175 | Query based electronic battery tester An electronic battery tester for testing a storage battery provides a test output indicative of a condition of the battery. Electronic measurement circuitry provides a measurement output related to a condition of the battery. The battery condition is determined base... | 04/22/2008 |
