Patents by Inventor Etsuko Kosaka

Etsuko Kosaka 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).

  • Special effect apparatus for video signal
    Patent number: 4916540
    Abstract: A special effect apparatus which is capable of producing a special effect image in which a speed of image transformation is changed as a function of location between a plurality of predetermined knots of the image. The special effect apparatus includes a read address generating circuit for generating a read-out address to read a stored digital video signal out of a video memory.
    Type: Grant
    Filed: January 13, 1988
    Date of Patent: April 10, 1990
    Assignee: NEC Corporation
    Inventor: Etsuko Kosaka