Patents by Inventor Tai-Hsing Wang

Tai-Hsing Wang 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).

  • Publication number: 20110032399
    Abstract: A double-light sources optical scanning device and method of using the same is disclosed. The double-light sources optical scanning device comprises: a light-source backlight module, an optical lens, and an area optical sensing device. The light-source backlight module comprising a white light source and an infrared light source, irradiating at least an object for scanning to generate an image. The optical lens projects the image to the area optical sensing device and divides the image generated by the white light source and the infrared light source. Turning on the white light source or the infrared light source through a switching control circuit, wherein determining where the contaminative positions are placed on the object by irradiating with infrared, and cleaning and repairing contaminations and damages shown in the image generated by the white light source.
    Type: Application
    Filed: September 8, 2009
    Publication date: February 10, 2011
    Inventors: Wei-Chao Kao, Tai-Hsing Wang, Chun-Hsiao Lee