Patents by Inventor Steven Eng

Steven Eng 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 and system for protecting video data
    Patent number: 7120253
    Abstract: A key protected data stream and an encryption key are received at a gateway device. The gateway devices unprotects the data stream based upon the encryption key. The unprotected received data is modified by the gateway to generate a modified data. The modified data is protected based upon the encryption key to generate a key protected modified data. The gateway then transmits the key protected modified data to one or more clients along with the encryption key.
    Type: Grant
    Filed: May 2, 2002
    Date of Patent: October 10, 2006
    Assignee: VIXS Systems, Inc.
    Inventors: Paul Ducharme, Steven Eng
  • Method and system for protecting video data
    Publication number: 20030206636
    Abstract: A key protected data stream and an encryption key are received at a gateway device. The gateway devices unprotects the data stream based upon the encryption key. The unprotected received data is modified by the gateway to generate a modified data. The modified data is protected based upon the encryption key to generate a key protected modified data. The gateway then transmits the key protected modified data to one or more clients along with the encryption key.
    Type: Application
    Filed: May 2, 2002
    Publication date: November 6, 2003
    Inventors: Paul Ducharme, Steven Eng