Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Halftoning for hi-fi color inks










Image Number 4 for United States Patent #6307645.

In a hi-fi color printing system, an inverted halftone screen is provided having the same angle and frequency as a halftone screen for an opposing color. The dots of the inverse halftone screen are configured to be located midway between the centers of the dots of the half-tone screen. The halftone screen and inverted halftone screen are used in the printing process to extend the gamut of colors within a printing system, render improved neutral colors, and provide an improved transition through neutral regions of color space. The present invention allows for additional printing of multiple colors without the need for increasing the number of screens used in the image processing system.








 
 
  Recently Added Patents
3D video processor and 3D video processing method
Data storage server having common replication architecture for multiple storage object types
Method and apparatus for clock recovery in XDSL transceivers
Location reporting satellite paging system with privacy feature
Business method for charitable fund raising
Method and computer program product for creating a questionnaire interface program
Software initialization of USB devices on a single bus
  Randomly Featured Patents
Articles comprising absorbent foams made from high internal phase emulsions useful for acquiring and distributing aqueous fluids
Coin holder for a vehicle
Rolls for single facer
Insecticidal sulfonium salts
Logic module for integrated digital circuits
Multi-angle mirror
Method of producing gallium nitride semiconductor light emitting device
Method and a system for flow control in a communication network
Machine for the production of plastic receptacles
Apparatus for measuring angular displacement