Patents by Inventor Mamoru Shimoi

Mamoru Shimoi 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).

  • Patent number: 4326286
    Abstract: An automatic record player comprises a tone arm, a drive motor, a turntable, a turntable spindle having a turntable gear, a gear wheel engageable with the turntable gear to receive a rotational force of the turntable, a tripping member for bringing the turntable gear into engagement with the gear wheel, a cam arrangement defined on the gear wheel, a drive transmitting lever having one end engaged to the cam arrangement and the other end operatively coupled to the tone arm, and a switching lever for selecting cam portions of the cam arrangement into use one at a time. The cam arrangement is comprised of a generally heart-shaped cam groove and a bypass groove bypassing a portion of the heart-shaped cam groove and having a depth larger than that of the heart-shaped cam groove. An automatic power switch control and a start-cut mechanism are also utilized.
    Type: Grant
    Filed: March 31, 1980
    Date of Patent: April 20, 1982
    Assignee: Sanyo Electric Co., Ltd.
    Inventor: Mamoru Shimoi