Document Type and Number:
Japanese Patent JPS55112975
Kind Code:
U
Application Number:
JP1087479U
Publication Date:
August 08, 1980
Filing Date:
January 31, 1979
Export Citation:
International Classes:
H04N5/72; G02B5/00; H04N5/65; (IPC1-7): H04N5/65; G02B5/00; H04N5/72