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| Number | Title | Issue Date |
| 8030901 | Electric energy storage device Provided is an electric energy storage device capable of improving a charging efficiency when electric power supplied with an input current having a current value repeatedly exhibiting peaks and valleys is to be storaged by using a secondary battery and an electric ... | 10/04/2011 |
| 7999516 | Circuits and methods for battery charging Circuits and methods for battery charging are disclosed. In one embodiment, the battery charging circuit comprises an AC to DC converter, a charging control switch, and a charger controller. The AC to DC converter provides a charging power to a battery pack. The cha... | 08/16/2011 |
| 7990110 | Circuits and related methods for charging a battery An aspect of the present invention provides a circuit for generating a voltage that can be used to recharge a battery. The circuit includes an inductive voltage generator operable to generate a magnetic field when the voltage generator is energized by power, and ope... | 08/02/2011 |
| 7990111 | Method and apparatus for detecting internal electric state of in-vehicle secondary battery In a proposed apparatus and method, constant-voltage charge is performed with an in-vehicle secondary battery immediately after start of a vehicle or during running of the vehicle. A quantity relevant to polarization caused in the battery immediately after start of ... | 08/02/2011 |
| 7888914 | Battery rejuvenation method and apparatus The present invention provides a battery rejuvenation method for rejuvenating a battery, which firstly pre-charges the battery for a short period of time and judges the battery condition by comparing the battery voltage to a preset reference voltage value, and then ... | 02/15/2011 |
| 7880440 | Switching power supply To provide a smaller and more efficient switching power supply, the switching power supply includes: a high frequency transformer; a primary side switching circuit adapted to switch a current flowing through a primary winding of the high frequency transformer to the... | 02/01/2011 |
| 7791317 | Battery pack and method of calculating deterioration level thereof A battery pack is disclosed. The battery pack includes at least one battery, a switch section, a measurement section, and a deterioration level calculation section. The switch section turns on and off charging to the battery. The measurement section measures an open... | 09/07/2010 |
| 7750604 | Circuits and methods for battery charging Circuits and methods for battery charging are disclosed. In one embodiment, the battery charging circuit comprises an AC to DC converter, a charging control switch, and a charger controller. The AC to DC converter provides a charging power to a battery pack. The cha... | 07/06/2010 |
| 7696726 | Battery charger and associated method The present invention relates to battery chargers. A first controller can be configured to set, when a first power supply is coupled to a first port, a current produced by a variable current source at a safe rate to charge a battery. An ammeter can be configured to ... | 04/13/2010 |
| 7675268 | Post-charge battery maintenance A battery maintenance system including a battery, an electrical pulsation device configured to supply electrical pulsation energy to the battery during at least one pulsation period, a battery charger configured to transfer electrical energy to the battery during at... | 03/09/2010 |
| 7656128 | System and method for charging and pulsating batteries A battery charging and pulsating system including a battery having a positive terminal and a negative terminal, a charger connected to the positive and negative terminals of the battery, the charger including a controller, a pulsator connected to the positive and ne... | 02/02/2010 |
| 7564223 | High frequency battery charger and method of operating same A high frequency battery charger for charging a target battery is provided. The battery charger includes a charging circuit including a high frequency transformer, a switch switching the high frequency transformer, a filter coupled to the high frequency transformer ... | 07/21/2009 |
| 7564222 | Method for fast-charging a battery and device for carrying out said method The present invention refers to a method for fast-charging a secondary battery and to a device for carrying out said method. Fast charging is achieved by converting a DC supply voltage into a pulsating voltage which is transmitted to the secondary battery to be char... | 07/21/2009 |
| 7557541 | Method and apparatus for charging a rechargeable battery with non-liquid electrolyte The object of the invention is a method for charging a rechargeable battery having non-liquid electrolyte, which battery has an internal resonance frequency. The charging process contains at least one charging interval performed with current pulses, the frequency of... | 07/07/2009 |
| 7535202 | Adjustable input pulsation device A battery pulsation system including a battery having a plurality of cells and a pulsation device connected to the battery to supply a pulsation energy to the plurality of cells, the pulsation energy having a pulsation amplitude and a pulsation frequency, wherein th... | 05/19/2009 |
| 7518342 | Apparatus and method for effecting power distribution to a host system from a voltage source or a battery An apparatus for effecting power distribution to a host system at a supply locus from one of a voltage source or a battery includes: (a) a current transfer unit having a first and a second connection; the second connection being coupled with the battery; and (b) a c... | 04/14/2009 |
| 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 |
| 7374839 | Method and apparatus for dissolving crystals A method is described for a dissolving crystals formed in a side reaction to an oxidation-reduction reaction. A low frequency substantially square wave signal less than 10 kilohertz is applied across the battery terminals to dissolve unwanted crystals. ... | 05/20/2008 |
| 7365952 | Battery pack having a protection circuit The battery pack according to the present invention is to avoid any trouble or the like of the primary or secondary battery inside the battery pack with a simple mechanical construction when a load is intermittently connected between the external terminals of the ba... | 04/29/2008 |
| 7364078 | Bar code reading method and apparatus for a battery tester charger An apparatus for entering information into a battery test/charger that includes a bar code reader, a controller that is used to receive information from the bar code reader wherein the controller controls a battery tester/charger. In addition, a method for entering ... | 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 |
| 7358701 | Method and system for modeling energy transfer A method and system for modeling or simulating an application environment so as to evaluate the effect of a selected battery and charger in the application environment. Sensors are used to gather data regarding the energy consumption needs of the application environ... | 04/15/2008 |
| 7339354 | Rechargeable battery charging method and apparatus A method and an apparatus for charging a lithium-ion based rechargeable battery in a short time is provided. A terminal voltage of the rechargeable battery is compared with a predetermined first set voltage V1 while charging the rechargeable battery with a co... | 03/04/2008 |
| 7339347 | Apparatus and method for reliably supplying electrical energy to an electrical system The instant invention is directed to a multiple battery system and auxiliary battery attachment system. The invention provides a battery housing having a common positive terminal and a common negative terminal coupled to an electrical system. A main battery having a... | 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 |
| 7332893 | Battery pack with internal charge/power switching A battery pack includes a switching control port, a battery stack, an output power port, and switch circuitry. The switching control port receives a switch control signal from a battery pack port. The switch circuitry selectively couples the battery stack to the out... | 02/19/2008 |
| 7327122 | Battery heating circuit A battery delivers its rated capacity when the battery is below a temperature when the available battery capacity is limited. The battery includes a heating element, a temperature sensor, and a switch operatively connected to the heating element and temperature sens... | 02/05/2008 |
| 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 |
| 7319304 | Shunt connection to a PCB of an energy management system employed in an automotive vehicle A method of coupling a shunt to a printed circuit board (PCB) of an energy management system is provided. The method includes coupling flexible electrical connectors to the shunt and soldering the flexible electrical connectors to connection points on the PCB of the... | 01/15/2008 |
| 7301308 | Fast charger for high capacity batteries A highly efficient fast charger for high capacity batteries and methods for fast charging high capacity batteries. The fast charger preferably comprises a rectified AC input of single or preferably three phases, with an optional power factor corrected input, minimal... | 11/27/2007 |
| 7301307 | Method and apparatus to charge a battery using determination of battery load current By determining charging current Ichar and then subsequently utilising that determination of charging current Ichar in relation to battery current Ibat and load current Iload as a result of operation of a phone or other ele... | 11/27/2007 |
| 7295936 | Electronic battery tester with relative test output An electronic battery tester for testing a storage battery determines a condition of the battery. The condition is a relative condition and is a function of a dynamic parameter of the battery and an empirical input variable. ... | 11/13/2007 |
| 7285936 | Charging system for battery-set An object is to provide a charging system in which a battery can be charged in a fully charged state or close to the fully charged state while preventing performance deterioration of a battery due to heat generated during charge. A charging system 1 for a bat... | 10/23/2007 |
| 7279866 | Charger/jumper method and apparatus An apparatus for jumping and charging a remote battery. The apparatus includes a charger, positive and negative charge connectors operable to be connected to the remote battery, an auxiliary battery having positive and negative terminals, and positive and negative j... | 10/09/2007 |
| 7277264 | Semiconductor integrated circuit having current detection functionality and power supply unit equipped with the same A semiconductor IC has a current detection resistor and a comparison circuit for comparing the voltage drop across the current detection resistor with a threshold voltage to detect a possibly large magnitude of current passing through the current detection resistor.... | 10/02/2007 |
| 7274171 | Charging circuit for secondary battery A charging circuit for a secondary battery includes a constant-voltage circuit part outputting one of a plurality of predetermined constant voltages and charges the secondary battery by applying the constant voltage thereto, a detection circuit part detecting a batt... | 09/25/2007 |
| 7262584 | Efficient fast pulsed laser or light-emitting diode driver A capacitor is connected to the output of a multiphase power converter, and a current-driven device (e.g., LED or laser diode) is also connected to the power converter output. A solid state switch (FET or IGBT) is connected in series with the current-driven device. ... | 08/28/2007 |
| 7253586 | Intelligent multiple battery charging station A method for charging at least one battery, includes: determining a status of at least one parameter for the battery, where the at least one parameter comprises a closeness to a desired charge level; determining that the battery is to be charged during a peak usage ... | 08/07/2007 |
| 7253584 | Isolated high voltage battery charger and integrated battery pack Methods and apparatus are provided for charging a high-voltage battery of a hybrid electric vehicle. The high-voltage battery charging apparatus comprises a battery charger configured to provide electrical energy, a battery module configured to store the electrical ... | 08/07/2007 |
| 7249267 | Method and system for communicating filter compensation coefficients for a digital power control system A method and system is provided for programming the digital filter compensation coefficients of a digitally controlled switched mode power supply within a distributed power system. The distributed power system comprises a plurality of point-of-load (POL) regulators ... | 07/24/2007 |
