Patents by Inventor Fumio Matui

Fumio Matui 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).

  • Projection-type display apparatus utilizing both zero-order and first-order diffracted beams
    Patent number: 5051834
    Abstract: An apparatus has a light modulator for emitting a first-order diffracted beam to scan a screen two-dimensionally and a zero-order diffracted beam which is two-dimensionally deflected and projected onto the screen. The zero-order diffracted beam is effectively utilized, and the projection-type display apparatus is capable of displaying a new image pattern in which a moving image and a character drawn with a single stroke are displayed in an overlapping manner.
    Type: Grant
    Filed: March 22, 1990
    Date of Patent: September 24, 1991
    Assignee: Pioneer Electronic Corporation
    Inventors: Fumio Matui, Yasushi Murata, Satoru Tanaka