Patents by Inventor Takanobu Hizuka

Takanobu Hizuka 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).

  • Television receiver with UHF/VHF and broadcast satellite tuners, power switch state display antenna reception level display, and external decoder output and input terminals
    Patent number: 5436675
    Abstract: A television receiver capable of displaying the condition, i.e., ON or OFF, of the power supply which supplies electric power to an external BS (broadcasting satellite) reception converter, together with the reception level at the BS antenna. The level at the antenna is detected by a level detector circuit (27) according to the output from a BS tuner (23) and displayed on the CRT (36). A power supply circuit (20) which supplies electric power to the external BS converter is switched on by a power switch (46). A system controller (41) detects the condition of this power switch and displays this condition together with the antenna reception level.
    Type: Grant
    Filed: May 10, 1994
    Date of Patent: July 25, 1995
    Assignee: Sony Corporation
    Inventors: Toshihide Hayashi, Koki Tsumori, Takanobu Hizuka