Patent · US Expired

Helmet systems

US5184231A · kind A · utility

42Cited by
7References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 19, 1987
Grant dateFeb 2, 1993
Priority date
Expiry dateMar 19, 2007

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B23/125
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A helmet system comprising a helmet (11), a vizor (13) pivotally mounted on the helmet, and mounted on the vizor (13), an electro-optical system, e.g. a night vision goggle, including an eyepiece (33) positioned between a transparent part (19) of the vizor and the user's eye so as to provide the user with a view of a scene forward of the user through the eyepiece, the eyepiece also serving as a combiner to provide the user with a virtual image of a display produced by the electro-optical system superimposed on his view of the forward scene through the eyepiece.

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