Document Type and Number:
Japanese Patent JPS56105948
Kind Code:
U
Application Number:
JP502380U
Publication Date:
August 18, 1981
Filing Date:
January 18, 1980
Export Citation:
International Classes:
H04L1/14; G02B27/00; G02F1/00; G02F1/01; G02F2/00; G02F2/02; H04B10/00; H04B10/035; H04B10/073; (IPC1-7): H04B9/00; G02B27/00; G02F1/00; G02F2/00; H04L1/14