Document Type and Number:
Japanese Patent JPS4944532
Kind Code:
B1
Application Number:
JP3893770A
Publication Date:
November 28, 1974
Filing Date:
May 07, 1970
Export Citation:
International Classes:
G06F3/0487; G06F3/037; G06F3/048; G11B27/28; H04N5/278; H04N5/78