Patents by Inventor Tokuo Nakamura

Tokuo Nakamura 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).

  • Rotary head type digital audio tape recorder
    Patent number: 4922359
    Abstract: A rotary digital audio tape recorder having a rotary cylinder of a predetermined diameter driven at a predetermined rotation rate, a pair of recording/reproducing heads disposed in proximity of each other on the rotary cylinder, and a magnetic tape kept in contact with the peripheral surface of the rotary cylinder through a predetermined lap angle, wherein a recording or reproducing operation is performed on the magnetic tape with the rotation of the cylinder and the relative motion of the magnetic tape. The rotation rate of the cylinder and the lap angle of the magnetic tape thereto are selectively so set as to retain interchangeability with any magnetic tape recorded or reproduced by a conventional rotary cylinder with two magnetic heads disposed opposite to each other at an angular interval of 180.degree..
    Type: Grant
    Filed: June 13, 1988
    Date of Patent: May 1, 1990
    Assignee: Alps Electric Co., Ltd.
    Inventor: Tokuo Nakamura