Patents by Inventor Mitsugu Ikawa

Mitsugu Ikawa 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).

  • Artificial sync signal adding circuit
    Patent number: 4466110
    Abstract: An artificial synchronizing signal adding circuit which comprises a discriminating circuit for discriminating a continuous synchronizing signal having a constant period among an information signal including the synchronizing signal and an artificial sync signal adding circuit for adding an artificial sync signal to a part of the information signal where the synchronizing signal is lacking in response to the discrimination of the discriminating circuit when the synchronizing signal is lacking.
    Type: Grant
    Filed: December 7, 1981
    Date of Patent: August 14, 1984
    Assignee: Clarion Co., Ltd.
    Inventors: Yoshio Kizaki, Mitsugu Ikawa