Patent · US Expired

Apparatus for testing the state of an endoscope

US6833912B2 · kind B2 · utility

26Cited by

5References

73Claims

0Family size

Assignee

Karl Storz GmbH & Co. KG · DE

Inventors

Fang Lei · Durchhausen, DE
Jurgen Rudischhauser · Tuttlingen, DE
Jorg Weitzel · Rielasingen-Worblingen, DE
Volker Preuss · Konstanz, DE

Key dates

Filing date	Sep 5, 2001
Grant date	Dec 21, 2004
Priority date	—
Expiry date	Jan 13, 2022

Classification

Technology area (CPC H)Electricity
CPC primaryH04N17/002
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

An apparatus for testing the state of the optical system of an endoscope comprises a first supporting device for the endoscope, a test pattern and a second supporting device for the test pattern, wherein the test pattern comprises a pattern, which allows a check of the actual viewing direction and of the actual field of view angle within tolerance values.

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