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

Apparatus for producing photographic prints

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

Apparatus for projecting a series of images onto dies of a semic

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

Apparatus for scanning an original for copiers having a variable

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

Arrangement for projection copying masks on to a work piece

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

Auto focus system using twice reflection

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

Autofocus methods and devices for lithography

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

Autofocus methods and devices for lithography

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

Autofocusing apparatus for photographic printer

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

Automated focus point control device

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

Automated periodic focus and exposure calibration of a...

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

Automatic adjustment of focal length to obtain desired optical r

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

Automatic alignment of optical elements in an electrophotographi

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

Automatic document feeder and a copying apparatus equipped with

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

Automatic focus adjusting mechanism and optical image...

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

Automatic focusing apparatus

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

Automatic focusing device for an enlarger

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

Automatic focussing attachment for photographic enlargers

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

Automatic lens selection for desired optical reduction ratio in

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

Back focus controlling device in optical systems