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. 15, 2014
Filed:
Jun. 30, 2010
Applicant:
Hideharu Mikami, Kawasaki, JP;
Inventor:
Hideharu Mikami, Kawasaki, JP;
Assignee:
Oclaro Japan, Inc., Kanagawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
G01B 9/02 (2006.01); G02F 2/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a delay line interferometer inside a demodulator, with respect to polarization states of two split beams of light to be interfered with each other, p polarization and s polarization are reversed by a half beam splitter and, further, again multiplexed by the half beam splitter used for splitting so that interference beams of light are generated.