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

Multiple range variable magnification reproduction machine using

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

Multiple reduction indicators for continuously variable reductio

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

Off-axis leveling in lithographic projection apparatus

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

Off-axis leveling in lithographic projection apparatus

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

Off-axis levelling in lithographic projection apparatus

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

Off-axis levelling in lithographic projection apparatus

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

Off-axis levelling in lithographic projection apparatus

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

Off-axis levelling in lithographic projection apparatus

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

Operation control device for copying apparatus

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

Optical alignment system in projection printing

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

Optical apparatus

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

Optical apparatus and reproducing machine

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

Optical apparatus for changing magnification or reduction rates

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

Optical apparatus for electrophotographic copying machine

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

Optical arrangement especially suitable for use in a high speed

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

Optical assembly for use in copying machine

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

Optical axis adjustment device and exposure apparatus using...

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

Optical correction device

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

Optical device