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:
Apr. 23, 2024

Filed:

Jan. 31, 2022
Applicant:

Kddi Corporation, Tokyo, JP;

Inventors:

Hidenori Takahashi, Fujimino, JP;

Daiki Soma, Fujimino, JP;

Shohei Beppu, Fujimino, JP;

Takehiro Tsuritani, Fujimino, JP;

Noboru Yoshikane, Fujimino, JP;

Assignee:

KDDI CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/03 (2013.01); G02B 6/35 (2006.01); G02B 6/38 (2006.01); H04B 10/2581 (2013.01); H04B 10/2587 (2013.01);
U.S. Cl.
CPC ...
G02B 6/35 (2013.01); G02B 6/3895 (2013.01); H04B 10/03 (2013.01); H04B 10/2581 (2013.01); H04B 10/2587 (2013.01);
Abstract

A communication device includes: a switching unit connected to a transmission unit, a reception unit, a transmission port, and a reception port, the switching unit being set in a first state in which the transmission unit and the transmission port are connected and the reception unit and the reception port are connected or a second state in which the transmission unit and the reception port are connected and the reception unit and the transmission port are connected; a monitoring unit configured to monitor a light level of light input from the reception port or the transmission port; and a control unit configured to set the switching unit in the first state or the second state based on the light level monitored by the monitoring unit.


Find Patent Forward Citations

Loading…