Document Type and Number:
Japanese Patent JPS5294318
Kind Code:
U
Application Number:
JP16147376U
Publication Date:
July 14, 1977
Filing Date:
December 02, 1976
Export Citation:
International Classes:
H04H20/76; H04H20/79; H04N7/16; H04N7/173; (IPC1-7): H04N7/16