Patents by Inventor Yasutada Nezu

Yasutada Nezu 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).

  • Multi-beam zoom and focusing lens scan pitch-adjusting recorder
    Patent number: 4617578
    Abstract: A method for recording a plurality of reproduction picture images of an original picture in which multiple laser beams modulated by an acoustic-optical modulator according to picture signals obtained by scanning the original picture in a scanning image reproduction system and an apparatus for carrying out the above described method. Particularly in the invention there is disclosed a means for adjusting mutual distance between each of the plurality of parallel laser beams in response to desired scanning line pitches.
    Type: Grant
    Filed: February 7, 1985
    Date of Patent: October 14, 1986
    Assignee: Dainippon Screen Mfg. Co., Ltd.
    Inventors: Yasutada Nezu, Yutaka Tamura, Yuuzi Mizuno, Hiroshi Iwamoto, Akihiro Yokota, Kiyoshi Maeda