Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD FOR RECORDING DIGITAL INFORMATION OF MOVIE FILM
Document Type and Number:
Japanese Patent JPH06250299
Kind Code:
A
Abstract:

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.


More Like This:
Inventors:
SAITO ETSURO
TACHI KATSUICHI
Application Number:
JP3367893A
Publication Date:
September 09, 1994
Filing Date:
February 23, 1993
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SONY CORP
International Classes:
G03B31/02; G11B31/00; (IPC1-7): G03B31/02; G11B31/00
Attorney, Agent or Firm:
Kunio Yamaguchi (1 person outside)