Gas separation: apparatus – Magnetic separating means
Patent
1975-01-10
1976-06-08
Welsh, John D.
Gas separation: apparatus
Magnetic separating means
96 1R, G03G 1600
Patent
active
039619508
ABSTRACT:
A method for reversing the sense of an input image which employs an electro-optic image recorder and novel imaging technique. An unscreened electro-optic image recorder is sequentially exposed to a grating pattern and then to a reading image. The grating exposure produces large surface deformations on the recorder and the bright areas of the imagewise exposure reduce and/or remove the deformations.
REFERENCES:
patent: 2896507 (1959-07-01), Mast et al.
patent: 3716359 (1973-02-01), Sheridon
Maccarone Gaetano D.
Ralabate James J.
Shanahan Michael H.
Welsh John D.
Xerox Corporation
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