Patent · US Expired

Apparatus for brightening cockpit instruments

US5140472A · kind A · utility

2Cited by

7References

10Claims

0Family size

Inventors

Klaus Langner · Überlingen, DE
Klaus Runge · Überlingen, DE

Key dates

Filing date	Sep 10, 1990
Grant date	Aug 18, 1992
Priority date	—
Expiry date	Sep 10, 2010

Classification

Technology area (CPC G)Physics
CPC primaryG01D11/28
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

The apparatus for brightening cockpit instruments contains a passive optical brightening device for directing daylight which shines through front windows of the cockpit, to impinge upon the viewer-oriented cockpit instrument surface.

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