Patents by Inventor Pontti Haikonen

Pontti Haikonen 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).

  • Video compression method
    Patent number: 4717957
    Abstract: The invention relates to a video compression method to be employed in connection with the conditional replenishment transmission and receiving method. In the transmitter there are detected such areas of the image that are changed with respect to the previous image, and the picture information representing the occurred changes, along with the addresses of the respective picture areas, is sent into the transmission channel. In the receiver there is reconstructed the new image on the basis of the previous image and the picture information representing the occurred changes.
    Type: Grant
    Filed: August 13, 1986
    Date of Patent: January 5, 1988
    Assignee: Valtion teknillinen tutkimuskeskus
    Inventors: Harry Santamaki, Juha Leppanen, Pontti Haikonen, Ilkka Korhonen