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:
Aug. 15, 1989
Filed:
Nov. 05, 1986
Applicant:
Inventor:
Tetsuo Matsushima, Fuchu, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G10R / ;
U.S. Cl.
CPC ...
324512 ; 361 65 ; 361 80 ; 364492 ;
Abstract
A digital fault locator of this invention comprises a memory for storing input electric amount from a system and a plurality of digital filters having different filter functions to which electric amounts are supplied from the memory. A fault location is determined by selectively providing a specific one of outputs from the digital filters according to a fault time.