Patents by Inventor Kamen B. Vilanov

Kamen B. Vilanov 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).

  • Electronic device including handheld electronic device with dual battery configuration, and associated method
    Patent number: 7479759
    Abstract: An improved handheld electronic device in conjunction with an improved holder for the handheld electronic device together form an improved electronic device. The handheld electronic device includes a first battery, and the holder includes a second battery and a charging apparatus. When the handheld electronic device and the holder are electrically connected together, such as when the handheld electronic device is received in a cavity formed in the holder and a plurality of first contacts on the handheld electronic device and a plurality of second contacts on the holder are electrically connected together, the charging apparatus charges the first battery on the handheld electronic device from the second battery on the holder.
    Type: Grant
    Filed: February 26, 2004
    Date of Patent: January 20, 2009
    Assignee: Research In Motion Limited
    Inventors: Kamen B. Vilanov, Dusan Veselic