Document Type and Number:
Japanese Patent JPS5481232
Kind Code:
U
Application Number:
JP15581077U
Publication Date:
June 08, 1979
Filing Date:
November 17, 1977
Export Citation:
International Classes:
G11B20/06; H04N9/79; H04N9/82; (IPC1-7): H04N9/02; G11B5/04; H04N5/79