Patents by Inventor Sandrasegaram Sivakumar

Sandrasegaram Sivakumar 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).

  • Portable Satellite Terminal
    Publication number: 20070252765
    Abstract: A portable satellite antenna terminal, comprising a body (620) and a unit (637) within the body (620) for controlling the terminal and terminal functions. Also provided is an antenna (607) mounted to the body (620) for movement (633, 635) relative thereto. The antenna (607) is able to be stowed within the body (620) when not in use. The antenna (607) may be a flat panel antenna (624) and is moveable relative to the body (620) from a stowed position to an in-use position.
    Type: Application
    Filed: February 16, 2005
    Publication date: November 1, 2007
    Applicant: ST ELECTRONICS (SATCOM & SENSOR SYSTEMS) PTE. LTD.
    Inventors: Rajanik Jayasuriya, Yoong Hu, Gang Liu, Sandrasegaram Sivakumar, Jianhua Zheng
  • Digital communication system and method
    Publication number: 20050129093
    Abstract: A digital communication system for communication between a first terminal and a second terminal, the first terminal including a spread spectrum modulator for spreading a transmitted signal, the transmitted signal being spread by a spread factor. The spread system spectrum modulator forms part of a first terminal modem. The second terminal includes spread system demodulator that forms part of a second terminal modem. A method is also disclosed.
    Type: Application
    Filed: December 15, 2003
    Publication date: June 16, 2005
    Inventors: Rajanik Jayasuriyar, Christopher En, Liu Gang, Sandrasegaram Sivakumar, Jeff Hua