Patents by Inventor Mohan Mardikar

Mohan Mardikar 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 apparatus for multiplexing separately-authored metadata for insertion into a video data stream
    Patent number: 6357042
    Abstract: An authoring system for interactive video has two or more authoring stations for providing authored metadata to be related to a main video data stream and a multiplexer for relating authored metadata from the authoring sources to the main video data stream. The authoring stations annotate created metadata with presentation time stamps (PTS) from the main video stream, and the multiplexer relates the metadata to the main video stream by the PTS signatures. In analog streams PTS may be created and integrated. In some embodiments there may be multiple and cascaded systems, and some sources may be stored sources. Various methods are disclosed for monitoring and compensating time differences among sources to ensure time coordination in end product. In different embodiments transport of metadata to an end user station is provided by Internet streaming, VBI insertion or by Internet downloading.
    Type: Grant
    Filed: January 22, 1999
    Date of Patent: March 12, 2002
    Inventors: Anand Srinivasan, Mehul Y Shah, Indranil Chakraborty, Mohan Mardikar, P Venkat Rangan, Kamal Bhadada
  • METHOD AND APPARATUS FOR MULTIPLEXING SEPERATELY-AUTHORED METADATA FOR INSERTION INTO A VIDEO DATA STREAM
    Publication number: 20010023436
    Abstract: An authoring system for interactive video has two or more authoring stations for providing authored metadata to be related to a main video data stream and a multiplexer for relating authored metadata from the authoring sources to the main video data stream. The authoring stations annotate created metadata with presentation time stamps (PTS) from the main video stream, and the multiplexer relates the metadata to the main video stream by the PTS signatures. In analog streams PTS may be created and integrated. In some embodiments there may be multiple and cascaded systems, and some sources may be stored sources. Various methods are disclosed for monitoring and compensating time differences among sources to ensure time coordination in end product. In different embodiments transport of metadata to an end user station is provided by Internet streaming, VBI insertion or by Internet downloading.
    Type: Application
    Filed: January 22, 1999
    Publication date: September 20, 2001
    Inventors: ANAND SRINIVASAN, MEHUL SHAH, INDRANIL CHAKRABORTY, MOHAN MARDIKAR, P. VENKAT RANGAN, KAMAL BHADADA