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Lens for speckle free scanning mirror type head up displays and optical feedback for focus tunable lenses

IP.com Disclosure Number: IPCOM000237462D
Publication Date: 2014-Jun-18

Publishing Venue

The IP.com Prior Art Database

Related Documents

Patent/Patent Application:
EP141168623.8 EP14170996.4 [+details]

Abstract

This document describes the a passive solution to avoid speckles in a Head-up display. Furthermore in a second chapter an optical feedback solution to measure and control the focal length of focus tunable lenses is described.