Patents by Inventor Kohichi Matsui

Kohichi Matsui 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).

  • Control circuit for a segmented display device
    Patent number: 4482894
    Abstract: A display device which comprises a keyboard for specifying a character to be displayed, a decoder for converting a specified character signal into segment signals corresponding to light emitting segments, and a display section which is provided with a plurality of segment display elements, and which are so arranged as to emit light in accordance with the contents of the segment signals. In this display device, a ROM converts a signal representing a character specified by the keyboard into at least two character component signals corresponding to at least two character components of the specified character and the converted character component signals are supplied to the decoder.
    Type: Grant
    Filed: October 13, 1981
    Date of Patent: November 13, 1984
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Kohichi Matsui, Kowji Tanikawa