Patent · US Active

Compact high density rotary optical filter wheel assemblies

US10816395B2 · kind B2 · utility

0Cited by

2References

25Claims

0Family size

Assignee

I-COR, Inc. · US

Inventors

Andrew George Ragatz · Lincoln, US
Christopher Lesiak · Lincoln, US
Irma Nicholls · Lincoln, US
Mark Fiedler · New York, US
Ahmed Tewfik Bouzid · McLean, US

Key dates

Filing date	Nov 13, 2019
Grant date	Oct 27, 2020
Priority date	—
Expiry date	Nov 13, 2039

Classification

Technology area (CPC G)Physics
CPC primaryG02B13/22
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

Filter wheel assemblies with a single actuation point to control positioning of front and rear optical filter elements simultaneously and to provide high channel density with a plurality of selectable optical filter pairs. A filter wheel assembly may include a plurality of optical filter element pairs arranged around a common axis, wherein each of the plurality of optical filter element pairs includes a first filter element and a complementary filter element, wherein each first filter element and each complementary filter element has a surface having a normal component directed toward an inner portion of the filter wheel assembly.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.