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

Copying machine with a variable magnification device

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

Correction device for non-uniform illuminations in ratio-variabl

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

Correction method and correction apparatus of mask pattern

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

Correction of leveling tilt induced by asymmetrical...

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

Density-aware dynamic leveling in scanning exposure systems

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

Device for adjusting projection magnification

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

Device for adjusting the position of a lens in two directions

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

Device for testing an exposure apparatus

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

Device for the projection printing of the masks of a mask set on

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

Digital print method

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

Document density detector apparatus

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

Document size reading device for continuously variable magnifica

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

Drive controlling mechanism of optical member for use in copying

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

Dual depth of focus imaging system

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

Electronic copying apparatus

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

Electrophotographic apparatus

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

Electrophotographic copying apparatus equipped with copying cove

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

Electrophotographic copying machine with picture position select

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

Electrophotographic copying machine with variable magnification