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:
Apr. 08, 2003
Filed:
Aug. 02, 2001
Giuseppe Longobardi, Florence, IT;
Franco Francini, Florence, IT;
Renzo Regini, Florence, IT;
Claudio Ciamberlini, Florence, IT;
Abstract
The protective helmet comprises within its thickness at least one optical path, having a dorsal entry and a frontal exit, for conveying to the eye (O) of the user an image of the scene behind said user's back. An objective lens ( ) is disposed at the point of said dorsal entry aperture. An eyepiece and a reflecting optical member are disposed at the point of said frontal exit, said reflecting optical member being positioned so as to reflect the image coming from said eyepiece toward the eye of the wearer of the helmet; and at least one refractive member is disposed along said optical path, between said lens and said eyepiece ( ).