Document Type and Number:
Japanese Patent JPS5537893
Kind Code:
B2
Application Number:
JP1049576A
Publication Date:
October 01, 1980
Filing Date:
February 03, 1976
Export Citation:
International Classes:
H04L27/22; H03K9/04; H03M13/23; H04B1/00; H04L1/00; H04L27/18