Document Type and Number:
Japanese Patent JPS5010645
Kind Code:
B1
Application Number:
JP8018170A
Publication Date:
April 23, 1975
Filing Date:
September 12, 1970
Export Citation:
International Classes:
G03B27/62; G03G15/04; H04N1/00; (IPC1-7): G03B27/62; G03G15/00