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:
Oct. 13, 2015

Filed:

Jul. 29, 2013
Applicant:

Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;

Inventor:

Katsuya Niigata, Kawasaki, JP;

Assignee:

FUJITSU LIMITED, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 3/46 (2015.01); H04L 1/24 (2006.01);
U.S. Cl.
CPC ...
H04L 1/242 (2013.01); H04L 1/24 (2013.01);
Abstract

A transmission unit connected to a reception unit via a communication cable. The transmission unit includes: a diagnostic data transmitting section to transmit, to the reception unit via the communication cable, diagnostic data converted into signals under a signal conversion condition for a diagnosis, of which a value of at least one parameter is different from a signal conversion condition for a transmission defined as a data-to-signal conversion condition for transmitting data to the reception unit; and a diagnosing section to diagnose a status of the communication cable on the basis of a diagnostic data error rate measured by the reception unit receiving the diagnostic data.


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