Document Type and Number:
Japanese Patent JPS6148717
Kind Code:
B2
Inventors:
KYODA TADASHI
Application Number:
JP5935379A
Publication Date:
October 25, 1986
Filing Date:
May 15, 1979
Export Citation:
Assignee:
HITACHI LTD
International Classes:
G09G5/22; G09G1/06; G09G5/10; G09G5/32