Patents by Inventor Toshiyuki Kajikano

Toshiyuki Kajikano 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).

  • Optical disc play-back device of the carousel type, having a mechanism for reducing access type to any selected disc
    Patent number: 5293362
    Abstract: An optical disc playback device of the so-called "carousel" type comprises a disc transport turntable rotatably mounted within the player housing. The underside of the turntable has an annular ridge with notches formed therein, and the housing comprises a photocouple which detects the presence or absence of the notches. The notches are so configured that each disc-holding section of the turntable has a distinct set of notches associated therewith, and each set of notches includes a central position-indicating notch and disc number-indicating notches disposed symmetrically on both sides of the central position-indicating notch.
    Type: Grant
    Filed: June 4, 1992
    Date of Patent: March 8, 1994
    Assignee: Nippon Columbia Co., Ltd.
    Inventors: Jun Sakurai, Toshiyuki Kajikano