Patents by Inventor Sun A Chung

Sun A Chung 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).

  • Method for transmitting multimedia wireless data to a host system
    Patent number: 6542149
    Abstract: The present invention provides a method for transmitting multimedia wireless data to a host system, which comprises the steps of generating a key signal corresponding to a selected key; converting the key signal into a series of data symbols, each of the data symbols having a plurality of chip data, and activating one or more chip data from the plurality of chip data; and converting each data symbol having the one or more activated chip data into an infrared pulse stream and transmitting it as the multimedia wireless data. Further, as a result of activating only a portion of of the plurality of chip data, the power consumption of the system is lowered.
    Type: Grant
    Filed: December 16, 1999
    Date of Patent: April 1, 2003
    Assignee: Sejin Electron Inc.
    Inventor: Sun A Chung