Patents by Inventor Kikuo Saitou

Kikuo Saitou 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).

  • Gamma correction circuit
    Patent number: 4015079
    Abstract: A gamma correction circuit is disclosed which includes an amplifier for amplifying a video input signal, a series connection of diode connected transistors whose input terminal is coupled to the output terminal of the amplifier and a cascade connection of emitter follower transistors whose output terminal is connected to the output terminal of the series connection of the diode connected transistors and is grounded through a resistor and whose input terminal is supplied with control signals.
    Type: Grant
    Filed: April 8, 1976
    Date of Patent: March 29, 1977
    Assignee: Tokyo Shibaura Electric Co., Ltd.
    Inventors: Itsuzou Satou, Kikuo Saitou