Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Signal apparatus for facilitating safe backup of vehicles
Semiconductor device having trapezoidal shaped trenches
Optical recording medium, and method for producing optical recording medium
Method and apparatus for providing auto-completion of information
Keyswitch controller
Water purification using energy from a steam-hydrocarbon reforming process
Fabric care compositions comprising front-end stability agents
  Randomly Featured Patents
Techniques to converge and adapt a communication system receiver
Control mechanism for dispensing fluent materials
A driving force distribution transmission for vehicles with four-wheel drive
Method and apparatus for detecting gear defects
Distributed intelligence wavelength division multiplexed network
Forehearth temperature control system
Hologram recording/reproducing apparatus, hologram multiplex recording method, and hologram recording medium utilizing reaction rate information and a recording interval time based on the reac
Film transporting mechanism for still cameras
Method and system for removing a coating from a substrate using radiant energy and a particle stream
Charge pump and PLL