Patents by Inventor Roger Yew-Siow Tay

Roger Yew-Siow Tay 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).

  • Wide beamwidth antenna system and method for making the same
    Patent number: 5838285
    Abstract: A wide beamwidth antenna system (100) having a number of monopole antenna elements (102-108) disposed on at least one surface (111,113) of a single, flexible dielectric substrate (101), a number of antenna feed members (110-116), disposed on the first surface (111) of the dielectric substrate (101), each antenna feed member (110-116) being respectively coupled to one of the monopole antenna elements (102-108), a system feed member (118), disposed on the first surface (111) of the dielectric substrate (101), a first power splitter (120), disposed on the first surface (111) of the dielectric substrate (101) and coupled between the system feed member (118) and the first one of the monopole antennae (102) and a first phase shifter (130), disposed on the first surface (111) of the dielectric substrate (101) and coupled between the first (102) and the second (104) monopole antennae. A ground plane (140) is disposed on a portion of the second surface (113) of the dielectric substrate (101).
    Type: Grant
    Filed: April 29, 1997
    Date of Patent: November 17, 1998
    Assignee: Motorola, Inc.
    Inventors: Roger Yew-Siow Tay, Oscar M. Garay, Quirino Balzano