Patent ID: 6151456
Filing Date: 2000-11-21
Classification: G03B

Abstract:
A photographic printer comprising:a printer body;light source and mask means for exposing a photosensitive paper;processed photographic film drive means disposed in said printer body for driving a processed photographic film having recorded thereon a bar code type signal in a marginal area along an edge of said film, wherein said bar code type signal is recorded on an area on said marginal area along said edge of said film and said area is substantially 6.3 mm in a film driving direction and substantially 2.5 mm in a film width direction;detecting means disposed in said printer body for detecting said bar code type signal and for generating a detected bar code signal;logic means for determining whether said detected bar code signal is one of a first type signal and a second type signal; andcontrol means for controlling said mask means in accordance with said determined type signal,wherein said logic means distinguishes said detected bar code signal to avoid an error, and said bar code type signal is recorded in the neighborhood of a corner of an exposed frame positioned based on a hole in said film.