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:
Oct. 25, 1994
Filed:
Jun. 10, 1992
Michael S Williams, Half Moon Bay, CA (US);
Jeffrey M Moser, Oakland, CA (US);
Helen V Gourley, San Francisco, CA (US);
Quantic Industries Inc., San Carlos, CA (US);
Abstract
The optical continuity of a fiber optic conduit is tested by terminating the fiber optic conduit with an element having a wavelength-dependent coefficient of reflectivity, coupling to the fiber optic conduit light of a first wavelength band, detecting light in the first wavelength band reflected back through the fiber optic conduit, coupling to the fiber optic conduit light of a second wavelength band, and detecting light in the second wavelength band reflected back through the fiber optic conduit. A relative comparison is formed of light in the first wavelength band reflected back through the fiber optic conduit and light in the second wavelength band reflected back through the fiber optic conduit. Reliable continuity testing of a fiber optic conduit including multiple in-line connectors is thereby made possible.