Patents by Inventor Takehiko Yonekawa

Takehiko Yonekawa 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: 5032937
    Abstract: A magnetic tape player which includes a tape transport speed selector capable of assuming one of first and second modes during which the magnetic recording tape is transported at a first transport speed and a second transport speed which is 1/n (n being an integer other than 1) of the first transport speed, respectively, a remaining tape length measuring means for measuring a length of time available for recording information to an end of the magnetic recording tape when the magnetic recording tape is transported at the first transport speed, a recording timer for outputting a remaining time signal indicative of the balance between a preset recording time and the length of time actually passed in recording and for outputting a terminating signal necessary to terminate the transport of the magnetic recording tape when the balance becomes zero, and a comparator for comparing the available recording time signal and the remaining time signal with a conversion value during information recording with the magnetic r
    Type: Grant
    Filed: July 18, 1989
    Date of Patent: July 16, 1991
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Yutaka Suzuki, Masaharu Hayakawa, Takehiko Yonekawa