The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 13, 1982
Filed:
Aug. 10, 1979
Applicant:
Inventors:
Mitsuru Yamaura, Fuchu, JP;
Ryotaro Kondow, Fuchu, JP;
Megumu Mitani, Tama, JP;
Eiichi Okamoto, Tokyo, JP;
Assignee:
Tokyo Shibaura Denki Kabushiki Kaisha, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ; H02H / ;
U.S. Cl.
CPC ...
364483 ; 361 78 ; 361 87 ;
Abstract
In a digital protective relaying device utilizing a microcomputer for protecting an electric power transmission system, a setting switch is provided for writing the values into the computer after the relaying operation of the protective device is locked by a locking means. The protective values thus set in the computer is indicated on an indicating device under the control of the computer and visually checked by an operator, while the computer always confirming the coincidence of the set values with the indicated values.