Patents by Inventor Gilbert Ho Yin Tsang

Gilbert Ho Yin Tsang 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).

  • IP address discovery for cable modem in set-top box
    Patent number: 7546628
    Abstract: A Set-Top Box configured with a modem and a Main Circuit Board consistent with certain embodiments learns the modem's IP address by establishing a predetermined relationship between a hardware address of the modem and a hardware address of the Main Circuit Board; at the Main Circuit Board: ascertaining the hardware address of the modem from the predetermined relationship; sending a query from the Main Circuit Board to the hardware address of the modem requesting the modem's IP address; and receiving a reply from the modem providing the modem's IP address to the Main Circuit Board. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.
    Type: Grant
    Filed: May 24, 2006
    Date of Patent: June 9, 2009
    Assignees: Sony Corporation, Sony Electronics Inc.
    Inventors: Gilbert Ho Yin Tsang, Takahiro Fujimori, Eric Chen
  • IP address discovery for cable modem in set-top box
    Patent number: 7203954
    Abstract: A Set-Top Box configured with a modem and a Main Circuit Board determines an IP address of the modem by periodically broadcasting a Discovery Packet from the modem to a broadcast address, the Discovery Packet comprising at least the IP address of the modem. At the Main Circuit Board, the broadcast Discovery Packet is received from the modem and the IP address of the modem is ascertained from the broadcast Discovery Packet.
    Type: Grant
    Filed: October 11, 2000
    Date of Patent: April 10, 2007
    Assignees: Sony Corporation, Sony Electronics Inc.
    Inventors: Gilbert Ho Yin Tsang, Takahiro Fujimori, Eric Chen