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:
Jun. 26, 2018
Filed:
Mar. 27, 2017
Applicant:
Electronics and Telecommunications Research Institute, Daejeon, KR;
Inventors:
Sanghwa Yoo, Daegu, KR;
Joon Ki Lee, Daejeon, KR;
Assignee:
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04J 14/00 (2006.01); H04Q 11/00 (2006.01); H04B 10/54 (2013.01);
U.S. Cl.
CPC ...
H04Q 11/0005 (2013.01); H04B 10/54 (2013.01); H04Q 2011/0018 (2013.01); H04Q 2011/0024 (2013.01);
Abstract
An optical transmitter includes an optical modulator configured to modulate an optical signal, a dual-stage space switch configured to receive, as an input, the modulated optical signal from the optical modulator, and output ports configured to control light outputs based on an operation of the dual-stage space switch.