Document Type and Number:
Japanese Patent JPS5515151
Kind Code:
B1
Application Number:
JP117870A
Publication Date:
April 21, 1980
Filing Date:
December 27, 1969
Export Citation:
International Classes:
G11B20/02; H04N5/92; H04N9/82; (IPC1-7): H04N9/493; G11B5/04; H04N5/92