Patents by Inventor Chien-Suan Chen

Chien-Suan Chen 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).

  • Pen type data scanning apparatus
    Patent number: 5974204
    Abstract: A pen type scanner (10) having an optically conductive light director (24) for directing light from a light emitting diode (20) onto a specific portion of textual data (78) on a page (76). Light reflected from the page is focused by a lens assembly (28) onto a sensor apparatus (30). As the pen type scanner (10) is moved across the page (76) a roller (34) activates a distance encoder (32). The pen type scanner (10) is connected to a parallel port (54) of a computer (56) through an interconnection cable (50) and a port adaptor component (58).
    Type: Grant
    Filed: July 15, 1993
    Date of Patent: October 26, 1999
    Assignee: Primax Electronics Ltd.
    Inventors: Shih-Chieh Lin, Chien-Suan Chen