Document Type and Number:
Japanese Patent JPS4935686
Kind Code:
B1
Application Number:
JP9743170A
Publication Date:
September 25, 1974
Filing Date:
November 04, 1970
Export Citation:
International Classes:
H04N5/84; G01N21/17; G03B21/10; G03B31/00; G11B7/00; G11B7/003