Patents by Inventor Hidenobu Fujita

Hidenobu Fujita 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).

  • Magnetic recording/reproducing apparatus having torque generator generating the most appropriate torque and rotation detecting function
    Patent number: 5222685
    Abstract: A driving system of a magnetic recording/reproducing apparatus includes a motor, a pulley receiving rotation of the motor, a forward direction rotation body coaxially provided with the pulley, a reverse direction rotation body which always engages with the forward direction rotation body and rotates in the reverse direction, first and second reel stands which engage with respective reels of a cassette tape, and a moving rotation body which engages with the forward direction rotation body and the first reel stand in forward direction rotation, and engages with the reverse direction rotation body and the second reel stand in reverse direction rotation. A forward direction torque generating mechanism is provided between the forward direction rotation body and the moving rotation body and a reverse direction torque generating mechanism is provided between the reverse direction rotation body and the moving rotation body.
    Type: Grant
    Filed: July 16, 1991
    Date of Patent: June 29, 1993
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hiroshi Furuhara, Hideo Yoshida, Hidenobu Fujita