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Patent applications and USPTO patent grants for Walther; Lawrence E..The latest application filed is for "apparatus and method for modulating image signals in a high addressability printing machine".
Patent | Date |
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Apparatus and method for modulating image signals in a high addressability printing machine Grant 5,606,648 - Walther , et al. February 25, 1 | 1997-02-25 |
Optical image to video transfer system having enhanced resolution and contrast for dark areas of the image Grant 4,912,558 - Easterly , et al. March 27, 1 | 1990-03-27 |
Method for approximating a value which is a nonlinear function of the linear average of pixel data Grant 4,910,694 - Walther March 20, 1 | 1990-03-20 |
System which uses threshold counts to achieve automatic focus Grant 4,843,413 - Walther June 27, 1 | 1989-06-27 |
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