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Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 8179101 | Charging apparatus A charging apparatus includes a power supply circuit converting AC input into DC output, a secondary battery, having a plurality of batteries connected in series, which is charged by an output voltage of the power supply circuit, a charging control circuit that cont... | 05/15/2012 |
| 8169195 | Method and apparatus for using a battery terminal temperature differential during charging of the battery A first input receives an indication as to a temperature of a positive terminal from a first temperature probe. A second input receives an indication as to a temperature of a negative terminal from a second temperature probe. A monitor takes an action when a tempera... | 05/01/2012 |
| 8120329 | Apparatus for controlling power generated by on-vehicle generator on the basis of internal status of on-vehicle battery An apparatus for controlling power generation of a generator mounted on a vehicle, the generator charging a on-vehicle battery, comprising a detecting device that detects information indicating the internal status of the battery that includes temperature of the batt... | 02/21/2012 |
| 8115455 | Power battery module, battery, module charging method, vehicle having the battery The application relates to a power battery module, including rechargeable cells having a nominal operating charging temperature, greater than 20° C. According to the application, the module includes a circuit for managing charging of the cells which further include... | 02/14/2012 |
| 8111047 | Sensor node voltage clamping circuit and method A voltage clamping circuit includes a current source having a fixed current source and a variable current source and a variable resistor receiving current from the current source. The variable resistor varies its resistance in response to an environmental operating ... | 02/07/2012 |
| 8093867 | Charging apparatus and charging method A charging apparatus is provided and is configured to accept temperature information corresponding to a temperature of a secondary battery or a battery pack, supply a charging current to the secondary battery or the battery pack when the temperature is within a set ... | 01/10/2012 |
| 8035350 | Battery charger A setting current switching circuit 120 includes a comparator 127. A battery temperature signal corresponding to a battery temperature detected by a battery temperature detecting unit 8 is inputted to one input terminal (−) of the comparator | 10/11/2011 |
| 8035351 | Information processing apparatus According to one embodiment, an information processing apparatus powered by a battery and an external power supply, comprises a power supply circuit which comprises a temperature sensor and converts power obtained from the external power supply and supplies a first ... | 10/11/2011 |
| 8035352 | Battery charger with temperature control A battery charger integrated circuit with temperature control is disclosed that includes a temperature sensor circuit and a charging current generator circuit. Upon receiving a temperature reading voltage (VDT), the temperature sensing circuit is operable to generat... | 10/11/2011 |
| 7965061 | Conversion systems with balanced cell currents A conversion system includes a conversion circuit coupled to multiple cells for generating multiple sampling signals indicative of the cell voltages of the cells respectively. Each sampling signal is with respect to the same reference level. In addition, the convers... | 06/21/2011 |
| 7956583 | Lithium polymer battery powered intravenous fluid warmer A lithium polymer (LiPo) battery pack having LiPo battery cells is provided which includes battery protection circuitry, charging circuitry, cell balancing circuitry, and control and communication circuitry. The batteries can be charged while in use by an internal c... | 06/07/2011 |
| 7777454 | Battery charger with temperature control A battery charger integrated circuit with temperature control is disclosed that includes a temperature sensor circuit and a charging current generator circuit. Upon receiving a temperature reading voltage (VDT), the temperature sensing circuit is operable to generat... | 08/17/2010 |
| 7741815 | Lithium polymer battery powered intravenous fluid warmer A lithium polymer (LiPo) battery pack having LiPo battery cells is provided which includes battery protection circuitry, charging circuitry, cell balancing circuitry, and control and communication circuitry. The batteries can be charged while in use by an internal c... | 06/22/2010 |
| 7592780 | Battery charging apparatus A battery charging apparatus includes a switching power source supplying a current to a battery pack, an input voltage detecting unit detecting an input voltage of the switching power source, a charging current control unit that detects a charging current of the bat... | 09/22/2009 |
| 7541781 | Method and apparatus for charging and discharging a rechargeable battery A battery protection system is provided for a rechargeable battery. The system has a switch module that selectively interrupts battery current based on a control signal, a battery voltage sensor that senses battery voltage, a battery temperature sensor that generate... | 06/02/2009 |
| 7453239 | Charging apparatus having a switching element for controlling charging power A charging device that may perform charging with larger current is provided. The charging device comprises a switching element for increasing or decreasing charging power, a PWM controlling circuit for intermittently turning the switching element on or off, a curren... | 11/18/2008 |
| 7411373 | Charging/discharging apparatus and method, power supplying apparatus and method, power supplying system and method, program storing medium, and program In the present invention, a battery pack type discriminating or deciding concave portion (131) is formed at a position corresponding to a battery pack type deciding switch (214) of an SQ battery pack (1) and when the SQ battery pack (1) i... | 08/12/2008 |
| 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 |
| 7397221 | Battery protection device, battery protection system using the same, and battery protection method A battery protection device protects a battery from an abnormal state. The battery protection device includes a detector that detects an abnormality of the battery and outputs an abnormality detection signal when the abnormality is detected. A current is input to an... | 07/08/2008 |
| 7382110 | Method of charging secondary battery, method of calculating remaining capacity rate of secondary battery, and battery pack A method of changing a secondary battery, a method of calculating a remaining capacity rate of the secondary battery, and a battery pack are provided. The method of charging a secondary battery includes the steps of: performing a detection of a charging rate ... | 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 |
| 7363255 | Apparatus unit replacement assisting method and system By providing an apparatus unit replacement assisting method, in which, upon receipt of a request from a first user to replace a first unit comprising part of an apparatus with a second unit, the second unit is offered to the first user at a price after the deduction... | 04/22/2008 |
| 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 |
| 7331526 | Battery pack with integrated human interface devices A power pack with human interface devices that includes a power pack housing, which is detachably interfaced to a portable device. The power pack includes a power source internal to the housing for providing power, a light source internal to the housing for producin... | 02/19/2008 |
| 7330013 | Apparatus and method for charging and discharging a battery A method and apparatus for controlling the charge and discharge currents in a battery (2) as a function of temperature. When a battery (2) is charged or discharged in an environment that approaches its design operating temperature extreme, the currents... | 02/12/2008 |
| 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 |
| 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 |
| 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 |
| 7259538 | Adaptive battery conditioning employing battery chemistry determination Adaptive battery conditioning employs battery chemistry determination to establish how, when and whether to condition a battery. As a result, the conditioning is optimized for the determined battery chemistry. Further, conditioning of a battery that is not condition... | 08/21/2007 |
| 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 |
| 7238443 | Battery packs suitable for use with battery powered appliances Cooling air intake port (52), cooling air exhaust port (55), and securing walls (86, 87), which contact and secure the side surfaces of one or more battery cells (72), may be defined within two battery pack housing halves (50, 80).... | 07/03/2007 |
| 7234552 | Method for heating a battery in a hybrid electric vehicle A method for heating a battery in a hybrid electric vehicle. The hybrid electric vehicle has an engine, a battery, a motor generator powered by the engine or the battery, and a control module. The method includes the steps of determining a battery temperature and de... | 06/26/2007 |
| 7205745 | Portable power source system In a portable power source system comprising a battery pack for accommodating at least one secondary battery and a mounting part for mounting the battery pack, the mounting part is disposed in power using equipment, the battery pack comprises a charge circuit having... | 04/17/2007 |
| 7200507 | Method and device for clock calibration A method and a device for calibrating an interior clock generator installed inside a power monitoring unit of a rechargeable battery. The device includes an input pin for inputting an external clock signal from an exterior clock generator installed outside the power... | 04/03/2007 |
| 7196911 | DC power source unit with battery charging function A DC power source unit supplies a DC voltage to a power tool through an adapter when a power switch of the tool is turned ON and also charges a battery pack used as an alternative power source of the tool when the power tool is not operated. In order to prevent a ru... | 03/27/2007 |
| 7197487 | Apparatus and method for estimating battery state of charge A method for training a support vector machine to determine a present state of charge of an electrochemical cell system includes choosing a training data, preprocessing the training data, finding an optimal parameter of the support vector machine, and determining su... | 03/27/2007 |
| 7190171 | Detecting method and detecting apparatus for detecting internal of rechargeable battery, rechargeable battery pack having said detecting apparatus therein, apparatus having said detecting apparatus therein, program in which said detecting method is incorporated, and medium in which said program is stored A detecting method for detecting internal resistance of an inspective rechargeable battery when said inspective rechargeable battery is charged by the constant current-constant voltage charging regime, said detecting method comprising at least a step (a) wherein an ... | 03/13/2007 |
| 7180269 | Battery charging method The battery charging detects battery temperature and includes a temperature maintaining charging operation wherein average charging current is controlled to drive battery temperature to a holding temperature, and charging is performed while maintaining battery tempe... | 02/20/2007 |
| 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 |
