Patents by Inventor Daniel Yeboah

Daniel Yeboah 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).

  • Secondary antenna ground element
    Patent number: 6323812
    Abstract: An antenna feedpoint assembly includes a printed circuit board (400), a signal conductor feed element (2041) mounted on the printed circuit board (400), and a secondary ground element (106) placed parallel to the signal conductor feed element (2041) wherein an electromagnetic coupling is made between the signal conductor feed element (2041) and the secondary ground element (106) for an improved matching of the antenna (100) without an additional matching circuit. The secondary ground element (106) comprises a mounting portion (1061) connected to a ground plane (1002) and a protruded portion (1062) extended from the mounting portion (1061) such that the protruded portion (1062) is elevated from and substantially parallel to the signal conductor feed element (2041) serving as the antenna feedpoint contact.
    Type: Grant
    Filed: April 4, 2000
    Date of Patent: November 27, 2001
    Assignee: Motorola, Inc.
    Inventors: Alessandro Perrotta, Daniel Yeboah, Markus B. Kopp