Document Type and Number:
Japanese Patent JPH0418416
Kind Code:
B2
Inventors:
HAYASHI KENICHI
Application Number:
JP27180284A
Publication Date:
March 27, 1992
Filing Date:
December 25, 1984
Export Citation:
Assignee:
TOKYO SHIBAURA ELECTRIC CO
International Classes:
H01J25/00; H01J25/02
Next Patent: JPH0418417