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
Use of cocoa extract
Therapeutic vitamin D sun-protecting formulations and methods for their use
Mobile communication terminal provided with handsfree function and controlling method thereof
Method of preparing highly fluorinated carboxylic acids and their salts
Determination method for a reinitialization of a temporal sequence of fluoroscopic images of an examination region of an examination object
Light-emitting element, light-emitting device, and electronic device
Systems and/or methods for determining item serial number structure and intelligence
  Randomly Featured Patents
Merchandise sales data processing apparatus
Expandable area for host table data display in a mobile device
Board lock
Magnetic resonance imaging apparatus and method for controlling the velocity of venuous and arterial blood
Electronic ballast with controlled DC rail voltage
Surgical implant spinal screw
Chest compression vest with connecting belt
Image forming method and apparatus for setting an image forming parameter based on a printing medium
Multi-cell batteries
Method to reduce the pin count on an integrated circuit and associated apparatus