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:
Apr. 23, 2019
Filed:
Aug. 26, 2016
Applicant:
Hitachi Metals, Ltd., Tokyo, JP;
Inventors:
Yohei Shirakawa, Hitachi, JP;
Koki Hirano, Hitachinaka, JP;
Yoshitake Ageishi, Hitachi, JP;
Yuki Haga, Takahagi, JP;
Assignee:
HITACHI METALS, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/26 (2006.01);
U.S. Cl.
CPC ...
H04L 43/12 (2013.01); H04L 43/50 (2013.01);
Abstract
A signal detecting device provided in a connector at an end of a communication cable or in a communication device to which the connector is connected. The signal detecting device includes a detection circuit that branches and extracts a portion of a signal transmitted through the communication cable and indicates existence of a data communication based on the extracted signal, and a self-diagnostic circuit that inputs a diagnostic signal into the detection circuit upon diagnosis of the detection circuit.