Document Type and Number:
Japanese Patent JPS4990408
Kind Code:
A
Application Number:
JP128073A
Publication Date:
August 29, 1974
Filing Date:
December 28, 1972
Export Citation:
International Classes:
H04J3/06; H04J3/07; H04L7/00; H04Q11/04
Other References:
WIRELESS WORLD=1972