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:
Nov. 10, 2015
Filed:
Jan. 08, 2013
Applicant:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Inventor:
Yuji Hosoda, Sagamihara, JP;
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04J 14/00 (2006.01); G01V 8/24 (2006.01); E21B 49/08 (2006.01); G01V 8/00 (2006.01);
U.S. Cl.
CPC ...
H04J 14/00 (2013.01); E21B 49/08 (2013.01); G01V 8/00 (2013.01); G01V 8/24 (2013.01); E21B 2049/085 (2013.01);
Abstract
Methods and apparatus to multiplex light signals are disclosed herein. An example method includes conveying a first light signal via a first optical path and conveying a second light signal via a second optical path. The example method also includes frequency-division multiplexing and time-division multiplexing the first light signal and the second light signal to enable generation of a multiplexed light signal. The example method further includes directing the multiplexed light signal into an optical detector.