PURPOSE: To enable digital information recording resistant to damage and various kids of errors to be performed.
CONSTITUTION: A digital sound track 7 is provided in an interdigital area formed by an area between the holes 4 of perforation for take-up and an area between the side edge 6 of the movie film 1 and the hole 4 of the perforation in the movie film 1. In the case where the digital sound track 7 is provided on both sides of a video frame 2, a recording feasible area becomes about four times as large as that in the conventional manner. Therefore, in the case of recording information as much as that in the conventional manner, the size of a pit 5 can be made fourfold, so that the film is hardly affected by the damage or dust, and various kinds of errors are prevented.
JPS54151438 | IMPROVED DEVICE FOR FABRICATING MOVIE FILM |
JPS51127729 | MOVIE CAMERA |
TACHI KATSUICHI