167969 ⎘
Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light; Systems in which incident light is modified in accordance with the properties of the material investigated; Transmissivity; Densitometers; Processing scan data in densitometry for dot area ratio in printing applications
Method for conditional application of color measurement error compensation in spectral sensors
#2Color tone control method and apparatus for printing machine
#3Method for determining ink usage efficiency in commercial printing processes using pigments and quantitative tests