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. 10, 2017
Filed:
Jan. 27, 2015
Sumitomo Electric Industries, Ltd., Osaka-shi, JP;
Yoshihiro Tateiwa, Yokohama, JP;
Sumitomo Electric Industries, Ltd., Osaka-shi, JP;
Abstract
An optical receiver is disclosed. The optical receiver includes a polarization holding fiber configured to receive a light emitted from a light source and a polarizer configured to be irradiated with the light output from the polarization holding fiber. A method for adjusting the optical receiver comprises: inputting a plurality of lights having different wavelengths to a polarization holding fiber; detecting intensities of a plurality of lights output from the polarization holding fiber; calculating an adjustment value for an angle of the polarization holding fiber based on a ratio between the detected intensities of the plurality of lights; and adjusting the angle of the polarization holding fiber based on the calculated adjustment value.