Document Type and Number:
Japanese Patent JPH0224055
Kind Code:
B2
Inventors:
MORITO HIROSHI
Application Number:
JP5266881A
Publication Date:
May 28, 1990
Filing Date:
April 08, 1981
Export Citation:
Assignee:
NIPPON ELECTRIC CO
International Classes:
G10H1/18; G10H5/06; H03K23/00