Invention Grant
US5475506A Photographic color printer 失效
摄影彩色打印机

Photographic color printer
Abstract:
In a color photographic printer of the type having a film scanner having a 50% green spectral response between 522.+-.5 nm and 570.+-.2.5 nm and peaking at 550 nm, a lowpass cutoff filter for lowering the upper cutoff wavelength of the green channel response is added to the green channel to improve the color correction of the printer for all color films presently in use.
Public/Granted literature
Information query
Patent Agency Ranking
0/0