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. 07, 2020
Filed:
Nov. 28, 2016
Applicant:
Denso Corporation, Kariya, Aichi-pref., JP;
Inventors:
Chao Chen, Kariya, JP;
Shigeki Otsuka, Kariya, JP;
Assignee:
DENSO CORPORATION, Kariya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 3/493 (2015.01); G01R 31/11 (2006.01); H04M 9/08 (2006.01); H04B 3/06 (2006.01); H04B 3/23 (2006.01);
U.S. Cl.
CPC ...
H04B 3/493 (2015.01); G01R 31/11 (2013.01); H04B 3/06 (2013.01); H04B 3/23 (2013.01); H04M 9/082 (2013.01);
Abstract
A transmission-path degradation detection apparatus includes a transmission path of a transmission system and plural communication devices connected to the transmission path. A signal generation part is provided in one communication device of the plural communication devices for generating a pseudo-communication signal. A degradation detection part is provided in one communication device of the plural communication devices for detecting a degradation of the transmission path based on a reception of the pseudo-communication signal passing through the transmission path.