Patent · US Expired

Illuminated optical enlargement device

US6384988B1 · kind B1 · utility

15Cited by

7References

19Claims

0Family size

Assignee

Lifatec GmbH Faseroptik und Optoelektronik · DE

Inventors

Peter Muller · Munich, DE
Horst Glaum · Langgöns, DE
Rüdiger Hempfling · Büdingen, DE

Key dates

Filing date	Aug 8, 2000
Grant date	May 7, 2002
Priority date	—
Expiry date	Aug 8, 2020

Classification

Technology area (CPC G)Physics
CPC primaryG02B25/02
WIPO fieldOptics
WIPO sectorInstruments

Abstract

An illuminated optical magnifying device with an optical focusing unit that can produce a magnified image of an object to be observed and with an illumination device whose light is at least partially applicable for illuminating the object to be observed, whereby the illumination device is composed of at least one luminous diode, which is arranged in the magnifying device in such a way that its light can emerge from the magnifying device essentially straight toward the direction of the object to be observed.

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