Title:
DIGITAL PROTECTION RELAY APPARATUS
Document Type and Number:
Japanese Patent JP2003333676
Kind Code:
A
Abstract:
To implement smooth management in maintenance of an apparatus by acquiring a control right regardless of a timing in which a site of the apparatus is accessed.
A button of 'control right acquisition' is provided on a screen of a PC of a digital protection control device such that only a user who inputs the button of 'control right acquisition' implements control of the apparatus regardless of the timing in which the site of the apparatus is accessed and unless the user who inputs the button cancels the control right, the other user cannot implement the control of the apparatus. Besides, a person disqualified in control at present is clearly displayed on the screen of the PC.
Inventors:
KIKUCHI TAKASHI
NISHIMURA MASASHI
YANAGIOKA ATSUSHI
OGINO KAZUHIRO
NISHIMURA MASASHI
YANAGIOKA ATSUSHI
OGINO KAZUHIRO
Application Number:
JP2002142296A
Publication Date:
November 21, 2003
Filing Date:
May 17, 2002
Export Citation:
Assignee:
HITACHI LTD
International Classes:
H02H3/00; H04Q9/00; (IPC1-7): H04Q9/00; H02H3/00
Attorney, Agent or Firm:
Sakuta Yasuo