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:
Jan. 05, 2021
Filed:
Jan. 13, 2020
Electronics and Telecommunications Research Institute, Daejeon, KR;
Hyun Jin Kim, Gwangju, KR;
Hyoung Jun Park, Gwangju, KR;
Sung Chang Kim, Gwangju, KR;
Kye Eun Kim, Naju-si, KR;
Ji Hyoung Ryu, Jeonju-si, KR;
Gi Hyeon Min, Gwangju, KR;
Si Woong Park, Gwangju, KR;
Dong Hoon Son, Gwangju, KR;
Chan Il Yeo, Gwangju, KR;
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon, KR;
Abstract
A multi-channel receiver optical sub assembly module for a fiber Bragg grating sensor according to an embodiment of the present invention includes a housing, a connection socket, an optical bench, a thermoelectric cooler, an arrayed waveguide grating chip, a photodiode array disposed on the optical bench and including a plurality of photodiode chips connected to the optical channels of the arrayed waveguide grating chip, and a printed circuit board which is connected to the other side of the housing while passing through the other side of the housing, of which a portion of a body is disposed on the optical bench, and which is connected to the photodiode array.