Patent · US Active

Position encoder

US11982549B2 · kind B2 · utility

1Cited by

2References

18Claims

0Family size

Assignee

CSEM CENTRE SUISSE D'ELECTRONIQUE ET DE MICROTECHNIQUE SA—RECHERCHE ET DÉVELOPPEMENT · CH

Inventor

Eric Grenet · Neuchâtel, CH

Key dates

Filing date	Nov 18, 2020
Grant date	May 14, 2024
Priority date	—
Expiry date	Mar 15, 2041

Classification

Technology area (CPC G)Physics
CPC primaryG01D5/38
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A device for determining the position of a light source, including an optical mask with a periodic pattern casting a shadow on an imager placed at a multiple of the Talbot distance or at a fraction of the Talbot distance.

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