Patents by Inventor Yoshinosuke Nagata

Yoshinosuke Nagata 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: 4200841
    Abstract: A preset tuning apparatus adapted for selecting a preset channel among a plurality of channels, comprising a tuner including a tuning circuit including a voltage controlled variable capacitance diode, a manually adjustable tuning voltage generator for providing a tuning voltage to the voltage controlled variable capacitance diode, a non-volatile analog storage including a plurality of floating gate type field effect memory devices, a band selection switch, a preset selection switch, a preset memory switch, addressing circuits coupled to the band selection and preset selection switches for addressing a corresponding one of the plurality of memory devices, an erase/write/read voltage generator, and a mode control coupled to the erase/write/read voltage generator and responsive to the band selection, preset selection and preset memory switches for alternately and repetitively writing and reading the analog value in the addressed memory device until the data corresponding to the tuning voltage of the tuning volta
    Type: Grant
    Filed: October 11, 1978
    Date of Patent: April 29, 1980
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Yoshinosuke Nagata, Hiroshi Kutsuyama, Makoto Yamada, Kazuyoshi Tsukamoto