US PATENT SUBCLASS 355 / 47
.~ Image transferred to or from curved surface

Current as of: June, 1999
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355 /   HD   PHOTOCOPYING

18  DF  PROJECTION PRINTING AND COPYING CAMERAS {27}
47.~ Image transferred to or from curved surface {1}
48  DF  .~.~> Original moves continuously {1}

DEFINITION

Classification: 355/47

(under subclass 18) Subject matter wherein the original or the photos:graphic paper is in a curved position in the optical path during copying.

(1) Note. Many of the patents in this subclass relate to distortion introducing or rectifying.

SEE OR SEARCH CLASS

353, Optics: Image Projectors,

5+, and 69+ for image projectors having distortion compensating or rectifying means, some of which projectors are for transferring images to or from a curved surface.