Patents by Inventor Allen L. Christenson

Allen L. Christenson 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).

  • Method and apparatus for charging a battery powered electronic device
    Patent number: 5325040
    Abstract: A battery charger (102) includes an input terminal (124) for receiving control signals from radio (104). The control signals are received by a charge controller (112) which provides a charge rate to radio battery pack (106) which is a function of the control signal. Radio (104) includes a controller (126) which can sense the state of the radio battery pack (106), as well as changes in the state of radio (104). Controller (126) can then modify the control signal sent to charger (102) and therefor the battery charge rate proved by charger (102) based on certain changes in the state of battery pack (106) or radio (104).
    Type: Grant
    Filed: September 21, 1992
    Date of Patent: June 28, 1994
    Assignee: Motorola, Inc.
    Inventors: Henry A. Bogut, Joseph Patino, Allen L. Christenson