Patent ID: 6833235
Filing Date: 2004-12-21
Classification: G03C,Y10S

Abstract:
Automatic processing machine provided with a densitometer in order to perform all steps according to the method of processing an exposed silver halide black-and-white negative working sound recording film element, comprising monodispersed cubic silver halide grains rich in silver bromide having an average grain size of less than 0.35 &mgr;m and a coefficient of variation of grain size of less than 40%, wherein said grains have been panchromatically sensitized over a wavelength range from 400 nm to 750 nm, said processing method comprising the steps of processing said sound recording element in a processing apparatus providing processing ability in daylight environment, wherein said processing method comprises the steps of developing in a developer within a time of less than 20 seconds, fixing in a fixer, rinsing and drying wherein said processing steps are followed by a step of controlling black-and-white densitometry.