Patents Represented by Attorney, Agent or Law Firm Hisashi D. Wata
  • Radiation shielding tri-band antenna adapted to provide dual band polarizations
    Patent number: 6738650
    Abstract: A radiation shielding apparatus for a wireless communication device operable in at least two cellular frequency spectrums includes a multi-band antenna operably associated with an electromagnetic radiation shield that extends along a length of the antenna. The shield partially surrounds the antenna and is disposed between a user of the communication device and the antenna.
    Type: Grant
    Filed: November 28, 2000
    Date of Patent: May 18, 2004
    Assignee: Motorola, Inc.
    Inventors: Guangping Zhou, Allen Ting Tsai, Bahadir Suleyman Yildirim