Patents by Inventor Toshiyuki Kitamura

Toshiyuki Kitamura 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).

  • Automatic exposure control for a photocopying machine
    Patent number: 4460270
    Abstract: An automatic exposure control method for a photocopying machine is disclosed herein. A sensor is periodically interposed in the light path of the photocopier, which samples the intensity of the light produced by the light producing system. This intensity is compared with a signal representative of the optimum light intensity for the photosensitive drum, and the light source is controlled by inputting the resulting intensity control signal to a voltage regulated light source control device.
    Type: Grant
    Filed: August 3, 1982
    Date of Patent: July 17, 1984
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yuji Watai, Toshiyuki Kitamura, Yoshiyuki Hirayama, Akira Matsuura, Hirokazu Yasui