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:
Mar. 08, 2011
Filed:
Nov. 13, 2009
Barry T. Eagan, Spencerport, NY (US);
Paul J. Travers, Honeoye Falls, NY (US);
Theodore K. Ricks, Rochester, NY (US);
Robert J. Schultz, Farmington, NY (US);
Barry T. Eagan, Spencerport, NY (US);
Paul J. Travers, Honeoye Falls, NY (US);
Theodore K. Ricks, Rochester, NY (US);
Robert J. Schultz, Farmington, NY (US);
Vuzix Corporation, Rochester, NY (US);
Abstract
An ocular device includes a housing, a rotatable ring, a first prism fixed in the rotatable ring, an indexable ring and a second prism fixed in the indexable ring. The housing has a stepped inner profile defining first and second circular tracks in the housing, the tracks being concentric about a rotational axis. The rotatable ring is disposed in the first circular track and is freely rotatable about the rotational axis with respect to the housing. The indexable ring is disposed in the second circular track and is indexable about the rotational axis.