Patent · US Expired

Illuminating device

US7268940B2 · kind B2 · utility

2Cited by
9References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 10, 2002
Grant dateSep 11, 2007
Priority date
Expiry dateApr 10, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B21/16
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An illuminating device, as for a microscope, includes a light source and a reflecting filter system. The beam of light of the light source undergoes a plurality of reflections in the reflecting filter system. The entering beam of the reflecting filter system has an optical beam offset and/or a change in direction relative to the exiting beam.

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