US PATENT SUBCLASS 396 / 22
.~ Concave film surface

Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

20  DF  SCANNING CAMERA {4}
22.~ Concave film surface

DEFINITION

Classification: 396/22

Concave film surface:

(under subclass 20) Subject matter wherein a photos:graphic

medium surface is bent into the form of a partial cylinder and the exposure is made upon the inner cylindrical surface.