Patents by Inventor Serge L. Blanc

Serge L. Blanc 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).

  • Patent number: 4240748
    Abstract: A hand-held optical reading device, commonly called a wand, for reading a field of printed characters. The wand includes a light source for illuminating the printed characters, a photodiode array and a lens for collecting reflected light and forming an image on the diode array corresponding to the printed characters. Apertures are formed in the lower portion of the wand housing for projecting light from the light source onto the surface upon which the characters are printed. The projected light forms a pattern on the surface which is used for visually aligning the wand with respect to character field.
    Type: Grant
    Filed: June 26, 1978
    Date of Patent: December 23, 1980
    Assignee: Caere Corporation
    Inventors: Serge L. Blanc, William R. Smith