Patents by Inventor Jyh-Jeng Deng

Jyh-Jeng Deng 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).

  • Apparatus for inscribing braille characters on a sheet of paper
    Patent number: 5803741
    Abstract: An apparatus for inscribing braille characters includes a base, a composing ruler fixed to a front edge portion of the base, and a punching pen for inscribing braille characters on a paper sheet disposed slidably within the composing ruler. A rear edge portion of the base has a roller shaft journalled thereon and a rotatable abutment member which is disposed under the roller shaft in order to clamp the paper sheet between the roller shaft and the rotatable abutment member. Therefore, the paper sheet can be moved forward and backward by rotating the roller shaft.
    Type: Grant
    Filed: May 12, 1997
    Date of Patent: September 8, 1998
    Inventors: Jyh-Jeng Deng, Ming-Hung Sung