Patents by Inventor Timothy R. Cotton

Timothy R. Cotton 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).

  • Patent number: 6148205
    Abstract: A method for secure registration of a access device (400) having a receiver (418) and a transmitter (420) transmitting at an operational RF power level with a base station (200) having a receiver (218) and a transmitter (216) in which the base station reduces its operational RF power level to a registration RF power level and transmits a registration invitation message (610) to an access device (400), wherein the base station (200) after receiving a registration response message (614) from the access device (400) restores its power level to the operational RF power level.
    Type: Grant
    Filed: June 30, 1998
    Date of Patent: November 14, 2000
    Assignee: Motorola, Inc.
    Inventor: Timothy R. Cotton