Title:
ORIGINAL POSITION SETTING METHOD FOR RECORDING MEDIUM
Document Type and Number:
Japanese Patent JPS5434655
Kind Code:
A
Abstract:
PURPOSE:To ensure setting of the memory medium to a fixed original position by giving the initial position mark formed by the specified pattern to the memory medium, reading the mark through an optical head and comparing the read-out pattern with the pattern which is set previously corresponding to the specified pattern.
Inventors:
HAYASHI ASAO
Application Number:
JP10012377A
Publication Date:
March 14, 1979
Filing Date:
August 23, 1977
Export Citation:
Assignee:
OLYMPUS OPTICAL CO
International Classes:
G03B21/11; G06F17/30; (IPC1-7): G03B21/11; G06F15/40