Document Type and Number:
Japanese Patent JPS5751391
Kind Code:
Y2
Application Number:
JP11936780U
Publication Date:
November 09, 1982
Filing Date:
August 25, 1980
Export Citation:
International Classes:
G03B15/08; G02B27/02; G03B15/00; G03B27/04; G03B41/00; H04N5/222; (IPC1-7): G03B41/00; G03B15/00; G03B27/04; H04N5/24