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| Number | Title | Issue Date |
| 7646169 | Trickle discharge for battery pack protection Battery protection circuitry and method are disclosed. A battery is protected from a large current overdrawn condition by setting a discharge switch into a controllable conduction state. After the discharge switch is in the controllable conduction state, a tickle di... | 01/12/2010 |
| 7642750 | Battery charge/discharge control circuit A circuit is used for controlling charging and discharging a battery. The circuit comprises a first MOSFET for controlling discharging the battery, and a second MOSFET coupled in series to the battery and the first MOSFET for controlling charging the battery. The fi... | 01/05/2010 |
| 7622894 | Status detector for power supply, power supply, and initial characteristic extracting device for use with power supply In a status detector for a power supply, a power supply, and an initial characteristic extracting device for use with the power supply, a measuring unit obtains measured values of at least current, voltage and temperature of the electricity accumulating unit. A proc... | 11/24/2009 |
| 7414382 | Injector with continuous battery charger system A battery charger system, for use with an injector system, comprises a power supply and a battery pack. The power supply converts AC power to DC power. The battery pack includes a battery and a charging module. The module monitors the operating mode of the injector ... | 08/19/2008 |
| 7402982 | Energy storage type feeder voltage compensation apparatus and method of controlling feeder voltage An energy saving type feeder voltage compensation apparatus improved in availability at low temperatures, wherein when a secondary battery is lower in temperature than a predetermined value, an output voltage output to a feeder side is made equal to or higher than a... | 07/22/2008 |
| 7375497 | State of charge tracking system for battery systems A battery control module for a battery system comprises a voltage measuring module that measures battery and a current measuring module that measures battery current. A state of charge (SOC) module communicates with the current and voltage measuring modules and esti... | 05/20/2008 |
| 7366924 | Systems and methods for disabling power management in a computer system A power adapter comprises a power supply to output power for powering a powered device when the powered device is coupled to the power adapter. The power adapter further comprises a disable throttle indicator that, when the powered device is coupled to the power ada... | 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 |
| 7363519 | Method and apparatus for power management by user needs A portable computer system with a battery and a processor, a memory, a display and storage device; all powered by the battery which includes a power management circuit configured to control the operation of the processor and memory in order to vary an amount of powe... | 04/22/2008 |
| 7328563 | Walk reel mower with electric reel and traction drives A walk reel mower has a front mounted reel cutting unit and a rear handle. The operator pushes the handle towards the ground to lift the reel cutting unit off the ground prior to turning the walk reel mower around. When this occurs, the manner in which the reel cutt... | 02/12/2008 |
| 7328049 | Pre-resource checking before file download The availability of one or more resources consumable in operating a mobile terminal and in downloading a file or collection of files to the terminal is reviewed before the file or collection of files is downloaded to the mobile terminal. An estimate is made of the a... | 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 |
| 7317299 | Method of calculating aging factor of battery for hybrid vehicle Disclosed herein is a method of calculating the aging factor of a battery for a hybrid vehicle. The method includes the steps of detecting a first actual SOC value of the battery during operation of the vehicle; storing the first SOC value; initializing accumulated ... | 01/08/2008 |
| 7313419 | Wireless device battery conservation method and system Generally, the present invention provides a method for detecting poor RF conditions, and entering different sleep mode levels or phases in accordance with the RF conditions to save battery power. Mobile device battery life can be conserved when the mobile device det... | 12/25/2007 |
| 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 |
| 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 |
| 7274929 | Power management within a wireless communication system Enhanced power management is achieved in a wireless communication system. In one aspect of the invention, power management profiles related to application type are used to achieve enhanced power management. In another aspect of the invention, the interval at which b... | 09/25/2007 |
| 7246015 | Alternator tester An alternator tester is provided for testing an alternator of a vehicle while the alternator is coupled to the vehicle. A sensor is configured to couple to the vehicle and sense a signal related to operation of the alternator. A memory contains data related to opera... | 07/17/2007 |
| 7238058 | Grounding plug A grounding plug for use with an accessory power outlet in a vehicle to ground an electrical test device such as a fuse tester, test light, multimeter, circuit tester, etc. The grounding plug is provided with a grounding member positioned therein with one end of the... | 07/03/2007 |
| 7235949 | Battery capacity detection apparatus and detection method A detection device and method for accurately detecting the battery capacity remaining in the device independent of the operating mode of the device. When the battery-powered device is operating in a low load mode, the battery discharge voltage is A/D converted and t... | 06/26/2007 |
| 7224168 | Method and apparatus for automatic determination of lead-acid battery specific gravity In accordance with various embodiments, there is a method for determining the specific gravity of a battery. Various embodiments include the steps of applying an increasing current ramp to a battery and measuring a response voltage of the battery when the increasing... | 05/29/2007 |
| 7197360 | Methods and systems for using an inductor to increase capacitor reformation efficiency in an implantable cardiac device (ICD) Methods and systems for increasing capacitor reformation efficiency in an implantable cardiac device (ICD) are presented. In one embodiment, a method and system provide for: (1) fully charging a first capacitor, (2) transferring energy from the first capacitor to an... | 03/27/2007 |
| 7190147 | Battery with complete discharge device A battery having a complete discharge mechanism includes a spring-biased switch with an element spring-biased from the switch and acts to close the switch when in a fully extended position. A block is position above the element with a passageway aligned with the ele... | 03/13/2007 |
| 7180999 | Subscriber line interface circuitry Subscriber line interface circuitry includes an integrated circuit having sense inputs for a sensed tip signal and a sensed ring signal of a subscriber loop. The integrated circuit generates a subscriber loop linefeed driver control signal in response to the sensed ... | 02/20/2007 |
| 7171186 | Cellular mobile phone with user-data backup and available time display functionality Data which indicates remaining capacity of a battery in terms of the terminal voltage of the battery is updated by a control unit when necessary, whereby available capacity of the battery is accurately calculated regardless of the extent of deterioration of the batt... | 01/30/2007 |
| 7149558 | Portable terminal device The present invention relates to a portable terminal device, such as a cellular phone, which has a screen display section, such as an LCD module, in its upper part and a key manipulation section having an array of plural keys in its lower part. The portable terminal... | 12/12/2006 |
| 7148655 | Electronic equipment, display control method, recording medium and program A communication portion of a video camera receives expected power information of a printer from the printer, and also receives battery power information from a battery pack. When a microcomputer judges that there is any shift to a state where the power consumption a... | 12/12/2006 |
| 7144646 | Method and apparatus for multiple mode control of voltage from a fuel cell system A fuel cell system determines each of a battery charging current error, a battery voltage error, and a stack current error. The fuel cell system regulates current through a series pass element in response to a greater of the determined errors. Thus, the fuel cell sy... | 12/05/2006 |
| 7142204 | Portable information processing device In portable information processing devices, such as notebook computers, that can run on batteries and are capable of receiving digital broadcasting, enable setting an optimal operating state by predicting, in accordance with digital-broadcast reception status, how l... | 11/28/2006 |
| 7138785 | Power tool with means for obtaining product use information A charging apparatus for charging a battery comprising a current source for providing current to the battery, a controller connected to the battery and to the current source for controlling charging of the battery, and a memory connected to the controller for storin... | 11/21/2006 |
| 7126341 | Automotive vehicle electrical system diagnostic device An automotive vehicle electrical system diagnostic apparatus includes first and second electrical connections configured to electrically couple to an electrical system of an automotive vehicle which includes a battery. Digital samples are obtained during operation o... | 10/24/2006 |
| 7123033 | Method and an apparatus to detect low voltage A method and an apparatus to detect low voltage have been disclosed. One embodiment of the apparatus includes a main circuit powered at a supply voltage, wherein the supply voltage changes over time and a test circuit coupled to the main circuit, the test circuit be... | 10/17/2006 |
| 7120037 | POWER OUTPUTTING DEVICE AND VEHICLE MOUNTING IT, CONTROL METHOD, STORING MEDIUM AND PROGRAM FOR THE POWER OUTPUTTING DEVICE, DRIVE DEVICE AND VEHICLE MOUNTING IT, AND, CONTROL METHOD, STORING MEDIUM AND PROGRAM FOR THE DRIVE DEVICE A power plant outputs motive power by driving a motor (22) using electric power from a direct-current power source (32). When the direct-current power source (32) has a low temperature, the direct-current power source is rapidly heated, whereby ... | 10/10/2006 |
| 7119518 | Battery tester A system for testing a battery includes a first capacitor and a second capacitor. The first capacitor and the second capacitor are configured to be arranged in series in a first arrangement and in parallel in a second arrangement. The first capacitor and the second ... | 10/10/2006 |
| 7111180 | Information handling system interrupting current to external module if current exceeds different current limits when handling system receives current from battery and alternating current source A portable information handling system (IHS) includes an external module which derives its power from the internal unregulated DC power rail of the IHS. An IHS power subsystem includes a multiple threshold current protection circuit which continuously monitors power... | 09/19/2006 |
| 7107160 | Use-adaptive fuel gauging for battery powered electronic devices A method and a battery powered electronic device incorporate use-adaptive fuel gauging. The use-adaptive fuel gauging adapts a fuel gauge algorithm to an average use model for the device. The adaptation accounts for the effects that variations in average use by a us... | 09/12/2006 |
| 7106070 | Broad-band low-inductance cables for making Kelvin connections to electrochemical cells and batteries A broad-band technique for reducing the distributed inductance of a four-conductor Kelvin cable is disclosed. A special inductance-canceling cable section is connected in tandem with the cable section contacting the cell/battery. Connections between the two cable se... | 09/12/2006 |
| 7107472 | Mobile data system having automated shutdown A mobile data system having automated shutdown is mounted in a motor vehicle having a vehicle motor and a vehicle electrical power source. The vehicle electrical power source provides variable voltage electrical power to the motor vehicle and to the mobile data syst... | 09/12/2006 |
| 7102329 | Method of measuring the battery level in a mobile telephone Measuring the voltage level of a mobile telephone battery during a charging operation involves disabling the charge temporarily so that the battery rapidly enters discharge mode. The discharge mode voltage is more representative of the true battery charge level, so ... | 09/05/2006 |
| 7087327 | Electric power plant with adjustable array of fuel cell systems An electric power plant includes an array of fuel cell systems. The fuel cell systems are electrically couplable in series and/or parallel combinations to provide a variety of output powers, output current and/or output voltages. The fuel cell systems are “hot swa... | 08/08/2006 |