Patent · US Expired

Light intensifying device

US6538811B2 · kind B2 · utility

6Cited by
6References
10Claims
0Family size

Inventor

Key dates

Filing dateFeb 15, 2001
Grant dateMar 25, 2003
Priority date
Expiry dateFeb 15, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B23/12
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An optical device (10) is disclosed which is mountable to a scope (S) having an objective lens OL and an eyepiece EP. The optical device (10) has a light intensifying module (11), an eyepiece (12), an objective lens unit (14), and an elastic, tubular collar (21). The collar (21) has a first end (22) adapted to be stretchably coupled with the scope eyepiece and second end (23) adapted to be stretchably coupled to the optical device objective lens unit (14) to provide air tight seals.

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