Evaluation of still projectors with incandescent lamps; measurement of temperature in the projection area of overhead projectors
Document status: Active
Filters for camera lenses, printing processes and projection; filters for camera lenses, designations
Document status: Active
Filters for camera lenses, for copying and projection purposes; filters for copiers; determination of filter values
Document status: Active
Filters for camera lenses, for copying and projection purposes; filters for copiers; determination of filter values and filter scales of colour copiers
Document status: Active
Projection of still pictures and motion-pictures - Part 1: Conditions for projection and viewing for all kinds of projection
Document status: Active
Projection of still pictures and motion pictures - Part 2: Screens
Document status: Active
Projection of still pictures and motion-pictures - Part 3: Minimum dimensions for elements, width of lines, dimensions of lettering and graphical symbols in originals for projection
Document status: Active
Projection of still pictures and motion-pictures - Part 4: Reflection and transmittance characteristics of screens; characteristic values, screen types, measurement
Document status: Active
Projection of still pictures and motion-pictures in educational and amateur use; safety requirements for screens
Document status: Active
Projection of still pictures and motion-pictures in educational and amateur use; graphical symbols
Document status: Active
