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:
Dec. 12, 2023
Filed:
Nov. 11, 2020
Applicant:
Lifodas, Uab, Vilnius, LT;
Inventors:
Piotr Anatolij Levin, Vilnius, LT;
Sergej Karpichin, Vilnius, LT;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
G01M 11/00 (2006.01); G02B 6/38 (2006.01);
U.S. Cl.
CPC ...
G01M 11/3154 (2013.01); G01M 11/3109 (2013.01); G01M 11/3136 (2013.01); G02B 6/385 (2013.01); G02B 6/3885 (2013.01); G02B 6/3897 (2013.01);
Abstract
The present invention is a passive receive module for use with an OTDR for determining polarity of a cable under test. Only one position of the module connector of the receive module includes a filling and all other positions are occupied with a reflective component with a reflective characteristic distinct from that of the filling. Only one position at the OTDR end of the cable will receive a distinct reflection from all of the other positions. Polarity may be determined from these positions.