Patents by Inventor Douglas J. Ballantyne

Douglas J. Ballantyne 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: 5867821
    Abstract: This new and unique method and apparatus is used for the distribution and administration of medical services, entertainment services, electronic medical records, educational information, etc. to a patient's individual electronic patient care station (PCS) interconnected to a master library (ML) which stores data in digital compressed format, through a local medical information network. The patient/medical personnel interact with this medical information network through the unique PCS and receives the requested service or data from the master library. The data is then displayed either on the associated television set or video monitor or through wireless/IR communications to a peripheral personal data assistant (pen based computer technology) The data for text, audio, and video information is all compressed digitally to facilitate distribution and only decompressed at the final stage before viewing/interaction.
    Type: Grant
    Filed: February 16, 1996
    Date of Patent: February 2, 1999
    Assignee: Paxton Developments Inc.
    Inventors: Douglas J. Ballantyne, Michael Mulhall
  • Patent number: 5133079
    Abstract: A new and useful method and apparatus for distribution of movies for viewing on a customer's television set. Digitized compressed signals containing audio and visual components of the movie selected by the customer are sent to the customer's receiver. The digital signals are converted to corresponding electronic signals; which are decompressed and converted to audio and video signals. These converted signals are passed to a conventional television set for viewing by the customer.
    Type: Grant
    Filed: August 28, 1990
    Date of Patent: July 21, 1992
    Inventors: Douglas J. Ballantyne, Michael Mulhall