Patents by Inventor Atsushi Amakasu

Atsushi Amakasu 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).

  • Data communication apparatus
    Patent number: 4974097
    Abstract: A data communication apparatus includes a reader, a mode change unit, a GIII facsimile controller connected to a telephone line, a GIV facsimile controller connected to a data line, and a printer. The mode change unit includes a mode change controller, a dummy reader, a dummy printer, resolution converters, and switches. The mode change controller connects the GIII or GIV facsimile controller to the reader and the printer. The facsimile controller which is not connected to the reader and the printer is connected to the dummy reader and the dummy printer. The resolution converters convert resolutions of the data so as to match a source apparatus with a destination apparatus.
    Type: Grant
    Filed: December 6, 1989
    Date of Patent: November 27, 1990
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoji Kaneko, Tomoyuki Haganuma, Atsushi Amakasu