LandOfFree - US Patents - Listing for Photocopying,Projection printing and copying cameras,Focus or magnification control

Photocopying – Projection printing and copying cameras – Focus or magnification control

Adjustment device for photographic enlarging or reproducing appa

Photocopying – Projection printing and copying cameras – Focus or magnification control

Advanced exposure apparatus and exposure method using the same

Photocopying – Projection printing and copying cameras – Focus or magnification control

Alignment apparatus, exposure apparatus and device...

Photocopying – Projection printing and copying cameras – Focus or magnification control

Alignment apparatus, exposure apparatus, and device...

Photocopying – Projection printing and copying cameras – Focus or magnification control

Alignment mark for coarse alignment and fine alignment of a...

Photocopying – Projection printing and copying cameras – Focus or magnification control

Alignment strategy optimization method

Photocopying – Projection printing and copying cameras – Focus or magnification control

Alignment structure

Photocopying – Projection printing and copying cameras – Focus or magnification control

Anti-backlash means for adjusting enlargers

Photocopying – Projection printing and copying cameras – Focus or magnification control

Aperture-controlling device in a variable-scale photocopying mac

Photocopying – Projection printing and copying cameras – Focus or magnification control

Apparatus and method for controlling the adjustment of optical e

Photocopying – Projection printing and copying cameras – Focus or magnification control

Apparatus and method for defining a pattern on a substrate

Photocopying – Projection printing and copying cameras – Focus or magnification control

Apparatus and method for forming reproductions with desired marg

Photocopying – Projection printing and copying cameras – Focus or magnification control

Apparatus and method for pattern exposure and method for...

Photocopying – Projection printing and copying cameras – Focus or magnification control

Apparatus and method for producing a selected enlargement of a g

Photocopying – Projection printing and copying cameras – Focus or magnification control

Apparatus and process for determination of dynamic scan...

Photocopying – Projection printing and copying cameras – Focus or magnification control

Apparatus for adjusting optical system of an image forming appar

Photocopying – Projection printing and copying cameras – Focus or magnification control

Apparatus for correcting an unevenness in an intensity of illumi

Photocopying – Projection printing and copying cameras – Focus or magnification control

Apparatus for forming image on copying machine at variable zoom

Photocopying – Projection printing and copying cameras – Focus or magnification control

Apparatus for making a copy in one of three sizes of X-ray film