公开(公告)号：US20170284936A1

公开(公告)日：2017-10-05

申请号：US15086791

申请日：2016-03-31

Applicant: Teledyne Instruments, Inc.

Inventor： Edward A. Smiercik, JR. ,  Edward L. McCall

IPC: G01N21/61 ,  F21V13/04

CPC classification number: F21V13/04 ,  F21Y2115/10 ,  G01N21/59 ,  G01N2201/062 ,  G01N2201/0632

Abstract: The light projection assemblies and opacity monitors described in this specification have an integrating sphere with an input aperture, an output aperture, and a spherical-shaped internal chamber. An LED source is located external to the chamber at the input aperture. A light baffle is located within the chamber at the output aperture. A condenser lens is located external to the chamber at the output aperture.

公开(公告)号：US10094538B2

公开(公告)日：2018-10-09

申请号：US15086791

申请日：2016-03-31

Applicant: Teledyne Instruments, Inc.

Inventor： Edward A. Smiercik, Jr. ,  Edward L. McCall

IPC: F21V13/04 ,  G01N21/59 ,  F21Y115/10

Abstract: The light projection assemblies and opacity monitors described in this specification have an integrating sphere with an input aperture, an output aperture, and a spherical-shaped internal chamber. An LED source is located external to the chamber at the input aperture. A light baffle is located within the chamber at the output aperture. A condenser lens is located external to the chamber at the output aperture.