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:
Aug. 16, 2011
Filed:
Mar. 25, 2008
Applicants:
Miklos Stern, Woodmere, NY (US);
Dmitriy Yavid, Stony Brook, NY (US);
Inventors:
Miklos Stern, Woodmere, NY (US);
Dmitriy Yavid, Stony Brook, NY (US);
Assignee:
Microvision, Inc., Redmond, WA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An image projection system () has a laser () providing at least one beam () to a scan mirror apparatus () for scanning the at least one beam () in two orthogonal directions (). The scan mirror () includes an oscillating portion () disposed contiguous to a frame () and includes a reflective portion () capable of reflecting the beam (). Circuitry () is provided for measuring the capacitance between interdigitated teeth () on the frame () and the oscillating portion ().