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:
Feb. 26, 2002
Filed:
Feb. 09, 2000
Applicant:
Inventors:
Marino Menozzi, Bonstetten, CH;
Christoph Zeller, Winterthur, CH;
Assignee:
Titmus Optical, Inc., Petersburg, VA (US);
Primary Examiner:
Int. Cl.
CPC ...
A61B 3/02 ;
U.S. Cl.
CPC ...
A61B 3/02 ;
Abstract
A vision test apparatus includes a light occluding casing and viewer connected to the casing which comprises a front lens. A mirror is rotatably mounted to the inside of the casing behind the front lens. An image display is movably mounted to the inside of the casing. An auxiliary lens is movably mounted to the inside of the casing and in alignment between the image display and the mirror whereby an image that is displayed on the image display passes through the auxiliary lens reflects off of the mirror and passes through the front lens.