Radiation imagery chemistry: process – composition – or product th – Including control feature responsive to a test or measurement
Patent
1995-06-07
1998-03-10
Huff, Mark F.
Radiation imagery chemistry: process, composition, or product th
Including control feature responsive to a test or measurement
430496, 430501, 430523, 430140, 355 75, 352221, 396440, 396441, G03B 1700, G03B 1726, G03B 1728, G03C 300
Patent
active
057259798
ABSTRACT:
A method and apparatus for flattening photographic film at the time of picture-taking involves applying a force-field to a photographic film made responsive to said force field to attract it against a reference surface. The force field may be electric, magnetic, AC, DC, or a combination of these.
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