Resources Contact Us Home
Optical scanner filter screen

Image Number 4 for United States Patent #5263101.

An optical scanner filter screen for use with an optical scanner, and method for use, comprising a colored optical filter or optical glass placed between the scanning mechanism of the optical scanner and the document to be scanned, for improving the accuracy of the reproduction of the document resulting from the optical scan by increasing contrast and reducing reflection and distortion of the light read by the scanning mechanism.

  Recently Added Patents
Sensing during magnetic resonance imaging
Harmonic sensor
Network fault detection
Signal routing dependent on a loading indicator of a mobile node
Press nut
Change management automation tool
Single-wavelength correction method for luminescent homogeneous biological assay
  Randomly Featured Patents
Cubicle separation
Audio/data disc player
Oil spill protector
Asymmetric 1:2 metal complexes of diazo compounds
AP2 domain transcription factor ODP2 (ovule development protein 2) and methods of use
Substituted imidazole compounds
Traction fluid
Use of benzotriazole UV absorbers
Apparatus for soundproofing moving picture cameras
Low torque pack-off seal assembly with retrievable lower section