Patents by Inventor Hayashi Nagami

Hayashi Nagami 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).

  • Record disc reproducing apparatus
    Patent number: 4578787
    Abstract: A video disc player having an operational state for holding the disc without rotation when the disc has been inserted into or has been prepared for withdrawal from the player as well as a reproduction state for picking up the signal recorded on the disc when the disc is on the rotating turntable, in which the time of the holding state of the disc is measured and when the holding state of the disc exceeds a predetermined time, the disc is set on the turntable and the turntable continuously rotates until another state instruction is generated, thereby suppressing deformation of the disc.
    Type: Grant
    Filed: October 5, 1982
    Date of Patent: March 25, 1986
    Assignee: Hitachi, Ltd.
    Inventors: Keizo Shimizu, Shimpei Otsu, Toshio Fujimura, Yoshisada Taniguchi, Hayashi Nagami
  • Apparatus for reproducing information from a record disc
    Patent number: 4476556
    Abstract: An apparatus for reproducing information from a record disc having a poor heat-resistant capability, in which a turntable for carrying the record disc is caused to rotate by a motor coupled thereto while the apparatus is made ready for a reproducing operation except when the record disc is being moved for loading and unloading of the turntable.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: October 9, 1984
    Assignee: Hitachi, Ltd.
    Inventors: Hayashi Nagami, Yoshisada Taniguchi, Shinpei Otsu, Toshio Fujimura, Keizo Shimizu