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.

Date of Patent:
Sep. 16, 1986

Filed:

Aug. 10, 1984
Applicant:
Inventors:

Mitsuru Yamaura, Hachioji, JP;

Ituo Shuto, Fuchu, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H / ;
U.S. Cl.
CPC ...
361 68 ; 361 66 ; 3403 / ; 455 51 ;
Abstract

In a protective relay system for an electric power system having two terminals at which electrical quantity is sampled in synchronism with a clock signal produced at each terminal, and the sampled electrical quantity data are exchanged for protection at said opposite terminal: a synchronous signal is transmitted from each terminal toward the opposite terminal; time data T1 is transmitted from a first terminal SS2 toward a second terminal SS1, the time data T1 indicating a time point t.sub.1 of the transmission of the synchronous signal toward the second terminal SS1 with reference to the clock signal; the time data T0 is transmitted from the second terminal SS1 toward the first terminal SS2, subsequent to reception of the synchronous signal from the first terminal SS2, the time data T0 indicating a value


Find Patent Forward Citations

Yamaura, Mitsuru. (1986). Protective relay system and sampling synchronizing method therefor (U.S. Patent No. 4612594). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4612594

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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