Patents by Inventor Shizuo Hanamura

Shizuo Hanamura 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: 4845564
    Abstract: A television receiver incorporating a video cassette recorder and having a display, for example, a picture screen, for showing a main-channel picture within which a sub-channel picture may be superimposed, includes first and second tuners which are independently controllable for each selecting one of a number of broadcast channels, with the video signal broadcast on the channel selected by the first tuner being supplied to the display for forming the main-channel picture while the video signal broadcast on the channel selected by the second tuner is supplied to the display for forming the sub-channel picture in a sub-channel picture display mode of the receiver, and a system controller is programmed so that, when initiating a recording mode of the video cassette recorder, the second tuner is made to select the same broadcast channel as the first tuner.
    Type: Grant
    Filed: March 31, 1988
    Date of Patent: July 4, 1989
    Assignee: Sony Corp.
    Inventors: Kunio Hakamada, Shizuo Hanamura, Osamu Oda, Toshio Amano