Patent ID: 9497016
Filing Date: 2016-11-15
CPC Classification: G02B,H04B,H04L

Claim Text:
1. A duplex LC communication light detecting adapter, comprising: an adapter main body to form two parallel optical transmission lines therein when a duplex LC connector is inserted, the adapter main body comprising a side in which a light extraction hole is formed, the light extraction hole being located at a vertex of a isosceles triangle having a base that is a line segment connecting centers of the two optical transmission lines in a cross section and opened in a direction perpendicular to the line segment; and a sleeve holder formed integrally with the adapter main body to hold a sleeve that houses a ferrule of the duplex LC connector, wherein the sleeve holder comprises an opening section that is opened toward the light extraction hole in a range of more than 30 degrees to less than 120 degrees relative to the line segment in a cross section.