Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 8149558 | Contactor engagement system and method A battery control module for a battery system includes a pulse-width modulation (PWM) module that generates N PWM signals. The battery control module also includes a contactor control module that consecutively applies the N PWM signals to close a contactor in order ... | 04/03/2012 |
| 8129999 | Dielectric breakdown detector for HEV battery application A circuit that indicates an impedance of a battery dielectric includes a signal generator module that flows a first current from a ground to a first terminal of a battery. A sensor circuit generates a signal based on a second current that flows from a second termina... | 03/06/2012 |
| 8008893 | Battery analysis system A battery analysis system includes a control module, a measurement module, and a pulse power module. The control module controls current to a battery to one of charge and discharge the battery. The measurement module determines N voltages across the battery at N tim... | 08/30/2011 |
| 7960943 | Modular battery system having battery monitoring and data collection capability Disclosed herein is a modular battery system having at least one subsystem comprising a plurality of battery modules connected in series or parallel, wherein each subsystem preferably having a first endplate and a second endplate. The battery modules may be bound be... | 06/14/2011 |
| 7959353 | Infra-red thermal imaging of laser welded battery module enclosure components A thermal imaging system for a battery module enclosure that includes first and second battery module enclosure components between which a weld is formed includes a thermal imaging camera that focuses on the first and second battery module enclosure components withi... | 06/14/2011 |
| 7846573 | Coolant manifold A battery assembly may include a cooling system assembly having first and second battery modules and a coolant manifold in fluid communication therewith. The first battery module may include a first coolant flow path and the second battery module may include a secon... | 12/07/2010 |
| 7782061 | Battery ohmic resistance calculation system and method An apparatus that estimates the ohmic resistances of N batteries includes voltage and current measurement modules that respectively measure the voltage and current of each of the N batteries. An ohmic resistance estimating module over N+1 time periods receives the v... | 08/24/2010 |
| 7649336 | Power supply with bidirectional DC-DC converter A rechargeable DC power supply includes a housing including an interior, an exterior, and an integral heat sink including a heat absorbing surface formed in said interior and a heat dissipating surface formed in said exterior. The rechargeable DC power supply includ... | 01/19/2010 |
| 7604507 | Battery interface assembly A battery interface assembly for a battery system includes a first end section and a second end section. The first end section provides a source voltage from battery modules of the battery system via a conductive bus bar. The battery interface assembly also includes... | 10/20/2009 |
| 7570024 | Battery state of charge voltage hysteresis estimator A battery control module is provided for use with a battery and includes a voltage measuring module that measures battery voltage, a current measuring module that measures battery current, and a state of charge (SOC) module that communicates with said current and vo... | 08/04/2009 |
| 7554295 | Determination of IR-free voltage in hybrid vehicle applications A battery control module is provided for use with a battery and includes a voltage measuring module that measures battery voltage, a current measuring module that measures battery current, and a state of charge (SOC) module that communicates with the current and vol... | 06/30/2009 |
| 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 |
| 7453238 | State of charge tracking system for battery systems based on relaxation voltage A battery control module for a battery system comprises a voltage measuring module that measures battery voltage and a current measuring module that measures battery current. A state of charge (SOC) module that communicates with the current and voltage measuring mod... | 11/18/2008 |
| 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 |
| 7333902 | Maximum and minimum power limit calculator for batteries and battery subpacks A system for determining an operating limit of at least one battery according to some embodiments of the present invention comprises a voltage module that measures a voltage V across at least one battery during first and second periods. A current sensor that measure... | 02/19/2008 |
| 7209841 | Maximum and minimum power limit calculator for batteries and battery subpacks A system for determining an operating limit of at least one battery according to some embodiments of the present invention comprises a voltage module that measures a voltage V across at least one battery during first and second periods. A current sensor that measure... | 04/24/2007 |
