Patents by Inventor Akio Nakazono

Akio Nakazono 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).

  • Tape recorder having playback retaining mechanism
    Patent number: 4179721
    Abstract: In an operating mechanism of a tape recorder, there is provided means for preventing the play-back operation from being released by the cue or the review being effected and for permitting the play-back operation to be resumed immediately after the cue or the review is interrupted. There is also provided means for ensuring that the recording lever and the review lever or the cue lever, if pushed in at the same time, are automatically returned to their non-pushed-in position upon release of the push-in force.
    Type: Grant
    Filed: October 31, 1977
    Date of Patent: December 18, 1979
    Assignee: Shin-Shirasuna Electric Corporation
    Inventors: Akio Nakazono, Shizuo Nakamura
  • Operating mechanism of tape recorder
    Patent number: 4138704
    Abstract: An operating mechanism of a tape recorder, means is provided for preventing the erase head from engaging the tape to erase the tape when cue or review is effected during recording or play-back operation.
    Type: Grant
    Filed: October 31, 1977
    Date of Patent: February 6, 1979
    Assignee: Shin-Shirasuna Electric Corp.
    Inventor: Akio Nakazono
  • Operating mechanism of tape recorder
    Patent number: 4128853
    Abstract: An operating mechanism of a tape recorder, wherein when pause, cue or review is effected during recording or playback, a pinch roller and head are spaced apart from the tape. Futhermore, by the cue or review being effected, the playback position will not be released, but upon retraction of a subchassis carrying the pinch roller and head, the pressure contact relationship between the pinch roller and the capstan with the tape held therebetween will be released so that upon cessation of the cue or review, playback may be started immediately.
    Type: Grant
    Filed: October 7, 1977
    Date of Patent: December 5, 1978
    Assignee: Shin-Shirasuna Electric Corp.
    Inventor: Akio Nakazono