Document Type and Number:
Japanese Patent JPH0117337
Kind Code:
B2
Inventors:
TACHIKAWA HAJIME
KAKO MASAO
KAKO MASAO
Application Number:
JP6834381A
Publication Date:
March 30, 1989
Filing Date:
May 08, 1981
Export Citation:
Assignee:
HITACHI LTD
International Classes:
H02J13/00; H04B3/54; H04B14/00
Next Patent: CONTROL SYSTEM FOR I/O EQUIPMENT