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. 06, 2004
Filed:
Mar. 06, 2002
Applicant:
Inventors:
Andres Fernandez, Dublin, CA (US);
William C. Dickson, San Mateo, CA (US);
Assignee:
Glimmerglass Networks, Inc., Hayward, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02N 1/00 ; G02B 2/610 ;
U.S. Cl.
CPC ...
H02N 1/00 ; G02B 2/610 ;
Abstract
Apparatus and methods are provided for driving a two-axis MEMS mirror using three non-contact actuation elements or electrodes. A differential bi-directional mirror control uses unipolar drive voltages biased at a suitable value. Transformation functions map two-axis tip-tilt commands to three actuation drive signals for selected electrode orientations and sizes.