Document Type and Number:
Japanese Patent JPH03120125
Kind Code:
U
Application Number:
JP2946690U
Publication Date:
December 10, 1991
Filing Date:
March 22, 1990
Export Citation:
International Classes:
H03K3/84; G06F7/58; H04K1/00; (IPC1-7): H03K3/84; H04K1/00