Patent · US Expired

Method for determining visibility, amount of precipitation and type of precipitation

US7122820B2 · kind B2 · utility

9Cited by

7References

19Claims

0Family size

Assignee

Vaisala Impulsphysik GmbH · DE

Inventors

Stefan Engel · Aachen, DE
Klaus Heyn · Hamburg, DE

Key dates

Filing date	Apr 24, 2002
Grant date	Oct 17, 2006
Priority date	—
Expiry date	Apr 24, 2022

Classification

Technology area (CPC G)Physics
CPC primaryG01N15/075
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

The invention is directed to a method and a combined visibility measuring and precipitation measuring instrument for determining visibility, amount of precipitation and type of precipitation.

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