The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 24, 1991
Filed:
Jun. 14, 1990
Applicant:
Inventors:
Laurent Monnier, Bordeaux, FR;
Jean-Pierre Gerbe, Pessac, FR;
Assignee:
Thomson-CSF, Puteaux, FR;
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ; G02B / ;
U.S. Cl.
CPC ...
359 13 ; 359630 ;
Abstract
A display device for an ergonomic helmet-mounted sight with a large field of observation, including a collimation and combination optical unit joined to an image generator located on the same side as an observation point relative to the optical unit. The optical unit includes a holographic or dichroic mirror and a semitransparent plane mirror included in a transparent plate with parallel faces.