Patents by Inventor Hrad Hekimian

Hrad Hekimian 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).

  • Patent number: 5519780
    Abstract: A teletext system provides teletext services and teletext support services in a multiservice communication system. Multiplexed data streams for a plurality of services, including teletext data, are transmitted in a sequence of frames between a transmitter location and a receiver location. Teletext information is transmitted in the format of a header packet and a data packet. The header packet contains information identifying the teletext information according to page number as well as other filter fields, such as language, time zone, etc. By appropriate selection of the values of the filter fields, the operator is afforded greater flexibility in providing a variety of classes of service and service support to subscribers. In addition, the system may be easily be reconfigured to support the addition of services or the cancellation of services.
    Type: Grant
    Filed: December 3, 1993
    Date of Patent: May 21, 1996
    Assignee: Scientific-Atlanta, Inc.
    Inventors: Arthur S. Woo, Wayne S. Sheldrick, Keith B. Gammie, Hrad Hekimian