Patents by Inventor Tatuo Numata

Tatuo Numata 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).

  • Electric circuit containing an integral phase-locked loop
    Patent number: 3950620
    Abstract: A circuit containing an integral phase-locked loop and operative in a first mode, in which the loop is required, and in a second mode in which the loop is not required; and means for selectively rendering the loop inoperative by selectively disabling the voltage-controlled oscillator thereof.
    Type: Grant
    Filed: November 25, 1974
    Date of Patent: April 13, 1976
    Assignee: Pioneer Electronic Corporation
    Inventor: Tatuo Numata