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
Dose escalation enzyme replacement therapy for treating acid sphingomyelinase deficiency
Orthogonal tunable antenna array for wireless communication devices
Arrangements and method relating to communication bearers
Subband SNR correction in a frequency selective scheduler
Methods and systems for providing a business repository
Scanning transmission electron microscope and axial adjustment method thereof
Low-coupling oxide media (LCOM)
  Randomly Featured Patents
Gas igniter
High solids enamel
Detecting laser-induced fluorescence emissions
Image forming apparatus, control method thereof, image forming system, and program
Balancer shaft arrangement for engine
Viewing optical system and image display apparatus using the same
Cold reduced non-aging deep drawing steel and method for producing
Panel type X-ray image intensifier tube and radiographic camera system
Side door structure for vehicle
Individual stereoisomers of 7-[3-(1-aminoalkyl)-1-pyrrolidinyl]-Quinolones and naphthyridones as antibacterial agents