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.:

US 7656573 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 02, 2010

Filed:

Feb. 18, 2004
Applicants:

Eric T. Martin, Corvallis, OR (US);

Mark Hunter, Portland, OR (US);

Andrew L. Van Brocklin, Corvallis, OR (US);

Inventors:

Eric T. Martin, Corvallis, OR (US);

Mark Hunter, Portland, OR (US);

Andrew L. Van Brocklin, Corvallis, OR (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 26/00 (2006.01); G02B 26/08 (2006.01); G02F 1/29 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method and apparatus for controlling a gap between conductors in an electro-mechanical device by controlled displacement of a displaceable conductor within the electro-mechanical device is provided. The apparatus includes a current controller configured to generate a controlled current output for the electro-mechanical device in response to a control signal, the current controller selectively routing a voltage to an array element including control circuitry and the electro-mechanical device.


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