Patent · US Expired

Endoscope having variable magnification and focusing

US6059721A · kind A · utility

18Cited by

6References

8Claims

0Family size

Assignee

Karl Storz GmbH & Co. KG · DE

Inventors

Jurgen Rudischhauser · Tuttlingen, DE
Frank Lederer · Tuttlingen, DE
Jan Dahmen · Tuttlingen, DE

Key dates

Filing date	Feb 17, 1998
Grant date	May 9, 2000
Priority date	—
Expiry date	Feb 17, 2018

Classification

Technology area (CPC G)Physics
CPC primaryG02B23/2438
WIPO fieldOptics
WIPO sectorInstruments

Abstract

An endoscope includes a shaft receiving at least a pair of the lens groups movable jointly to provide focusing of an image upon actuation of an adjusting wheel and adapted to be disengaged to have displacement of one of the pair of lens groups relative to the other lens group for adjusting a magnification of the image.

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