Research/Patents/US 5184231
US 5184231

HELMET SYSTEMS

Assignee

GEC-MARCONI LIMITED

Filed

Mar 19, 1987

Granted

Feb 2, 1993

Location

EAST PRESTON EN GB

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: Google Patents

35 USC §181 Secrecy Order

Imposed

Sep 9, 1987

Rescinded

Jul 10, 1992

Duration

4 years, 10 months

Inventor

  • 1STAFFORD M. ELLIS

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Back to patent indexSource: USPTO 35 USC §181 secrecy order records