Patents by Inventor Lakshmi N. Jampanaboyana

Lakshmi N. Jampanaboyana has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Battery capacity calculator and method of calculating battery capacity
    Patent number: 6191559
    Abstract: A system for, and method of, calculating a capacity of a rechargeable battery having an initial terminal voltage and a battery power supply incorporating the system or the method. In one embodiment, the system includes: (1) a dummy load couplable to the battery to initiate a battery discharge cycle of a given discharge rate and (2) a controller, coupled to the dummy load, that periodically collects, and generates an accumulation of, terminal voltage samples during the battery discharge cycle until the terminal voltage reaches a predefined terminating level, the capacity being a function of a magnitude of the accumulation.
    Type: Grant
    Filed: January 11, 2000
    Date of Patent: February 20, 2001
    Assignee: Lucent Technologies, Inc.
    Inventors: Charles W. Berthoud, Mohd M. Hobbi, Lakshmi N. Jampanaboyana