Patents by Inventor Haruyoshi Miyako

Haruyoshi Miyako 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
    Patent number: 4538258
    Abstract: A record (12) comprising a convex protrusion (12a) at its center, one or more protrusions (12b) extending perpendicularly from the plane of the record at its circumferential edge, and a recording area between the center and the circumferential edge. The protrusions engage similar indentations (3b, 3e) formed in a turntable to facilitate centering and holding the record for playing and to prevent rotational slippage.
    Type: Grant
    Filed: August 26, 1983
    Date of Patent: August 27, 1985
    Assignee: Kabushiki Kaisha Sankyo Seiki Seisakusho
    Inventors: Haruyoshi Miyako, Kiyoteru Arima
  • Tone arm control mechanism
    Patent number: 4495612
    Abstract: A tone arm lifting and movement restricting device includes a pair of relatively rotatable and axially movable drive plates having cam and follower surfaces thereon for use in lifting and lowering the arm, while a presettable restricting lever serves to determine the extent to which the arm progresses over the record before being lowered to the surface thereof.
    Type: Grant
    Filed: April 23, 1982
    Date of Patent: January 22, 1985
    Assignee: Kabushiki Kaisha Sankyo Seiki Seisakusho
    Inventor: Haruyoshi Miyako
  • Recording media selecting mechanism
    Patent number: 4477889
    Abstract: A recording media selecting mechanism has a recording media selecting knob which is sufficiently large so that the recording media selecting operation can be easily performed. A starting member or, alternatively, a driving source is utilized to actuate automatically a lifting operation of recording media sheets which are contained in a recording media package so that the recording media sheets are not required to be lifted using a manual lever.
    Type: Grant
    Filed: January 18, 1983
    Date of Patent: October 16, 1984
    Assignee: Kabushiki Kaisha Sankyo Seiki Seisakusho
    Inventor: Haruyoshi Miyako