Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method and apparatus for making positive copies from diapositives

Method and apparatus for making positive copies from diapositives

US Patent 4729015 · Granted Mar 1, 1988

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and device for image processing1999
Scanning method and apparatus1997
Photographic scanner with reduced susceptibility to scattering1992
Method and apparatus for point-by-point reproduction of an original1991
Method of and apparatus for printing a color image using dichroic filters and a 1989
Method of and apparatus for copying originals in which an image to be printed is1989
Method of and apparatus for electronic contrast enhancement of reproductions of 1989
Method of electronically improving the sharpness and contrast of a colored image1989
Method of and apparatus for making video images1987
Arrangement of a dynamic random access memory1985
Color filter arrangement for optoelectric converting devices1984
Device for the electronic scanning of images1984