Document Type and Number:
Japanese Patent JPH0557773
Kind Code:
B2
Inventors:
YAMADA ICHIRO
Application Number:
JP22092383A
Publication Date:
August 24, 1993
Filing Date:
November 24, 1983
Export Citation:
Assignee:
SEIKO EPSON CORP
International Classes:
H03K23/00; H03K3/356; H03K21/40; H03K23/44; H03K23/60; (IPC1-7): H03K21/40; H03K23/00