1
Kevin I Bertness: Energy management system for automotive vehicle. Midtronics, Westman Champlin & Kelly P A, December 18, 2001: US06331762 (198 worldwide citation)

A battery monitor is provided for use with a battery of an automotive vehicle. The battery monitor can provide real time battery condition measurements and can selectively control the charging of the battery through an alternator of the vehicle based upon the measured battery condition.


2
Kevin I Bertness, Michael E Troy: Vehicle electrical system tester with encoded output. Midtronics, Westman Champlin & Kelly, September 3, 2002: US06445158 (155 worldwide citation)

An automotive vehicle electrical system tester includes a starter motor or charging system voltage measurement circuit configured to measure a voltage of an electrical system of a vehicle. A microprocessor is configured to diagnose the electrical system as a function of the measured voltage and resp ...


3
Kevin I Bertness, Stephen J McShane: Method and apparatus for charging a battery. Midtronics, Westman Champlin & Kelly P A, June 27, 2000: US06081098 (151 worldwide citation)

An apparatus for charging a battery includes a first electrical connection adapted to connect to a positive terminal of the battery and a second electrical connector adapted to connect to a negative terminal of the battery. An electrical charging source couples to the first and second electrical con ...


4
Kevin I Bertness: Electronic battery tester. Midtronics, Westman Champlin & Kelly P A, May 21, 2002: US06392414 (148 worldwide citation)

A microprocessor couples to a voltage sensor through an analog to digital converter. The voltage sensor is adapted to be coupled across terminals of a battery. A small current source is also provided and adapted to be coupled across the terminal to the battery. The current source is momentarily appl ...


5
Stephen J McShane, Kevin I Bertness, Keith S Champlin: Electronic battery tester with tailored compensation for low state-of charge. Midtronics, Westman Champlin & Kelly P A, October 13, 1998: US05821756 (148 worldwide citation)

Various embodiments of an improved electronic device for testing or monitoring storage batteries that may be only partially charged are disclosed. The device determines the battery's small-signal dynamic conductance in order to provide either a proportional numerical readout, displayed in appropriat ...


6
Kevin I Bertness: Method and apparatus for auditing a battery test. Midtronics, Westman Champlin & Kelly P A, April 18, 2000: US06051976 (142 worldwide citation)

A method and apparatus for auditing condition of a storage battery performs a battery test on the storage battery to obtain a test result. Test condition information is obtained related to conditions of the battery test. The battery test result and the test condition information is combined into a c ...


7
Stephen J McShane, Kevin I Bertness: Method and apparatus for detecting a bad cell in a storage battery. Midtronics, Westman Champlin & Kelly P A, May 26, 1998: US05757192 (142 worldwide citation)

A method and apparatus for detecting a bad cell in a storage battery having a plurality of cells as provided. Input circuitry electrically couples to first and second terminals of the storage battery. Voltage measuring circuitry coupled to the input circuitry provides a voltage output related to a v ...


8
Kevin I Bertness: Electronic battery tester. Midtronics, Hallie A Westman Champlin & Kelly P A Finucane Esq, June 22, 1999: US05914605 (141 worldwide citation)

A microprocessor couples to a voltage sensor through an analog to digital converter. The voltage sensor is adapted to be coupled across terminals of a battery. A small current source is also provided and adapted to be coupled across the terminal to the battery. The current source is momentarily appl ...


9
Philip Varghese, Kevin I Bertness, Stephen J McShane: Method and apparatus for charging a battery. Midtronics, Westman Champlin & Kelly P A, November 6, 2001: US06313608 (140 worldwide citation)

A battery charger includes a first pair of electrical connectors configured to couple to a positive terminal of the battery and a second pair of electrical connectors configured to couple to a negative terminal of the battery. The first pair and second pair of connectors forming Kelvin connections t ...


10
Kevin I Bertness: Midpoint battery monitoring. Midtronics, Westman Champlin & Kelly P A, August 31, 1999: US05945829 (137 worldwide citation)

A device for testing a battery includes circuitry adapted to measure a first conductance of a first portion of a string of cells that makes up the battery. Further circuitry is adapted to measure a second conductance of a second portion of the string of cells that makes up the battery. Comparison ci ...