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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 10401640 B1

PDFFull Text
Date of Patent:
Sep. 03, 2019

Filed:

Aug. 24, 2015

Micro-projection device with anti-speckle vibration mode

Applicant:

North Inc., Kitchener, CA;

Inventors:

Lucio Kilcher, Montreux, CH;

Nicolas Abele, Demoret, CH;

Faouzi Khechana, Preverenges, CH;

Assignee:

North Inc., Kitchener, ON, CA;

Attorney:

Thomas Mahon

Primary Examiner:

Brandi N Thomas

Int. Cl.
CPC ...
G02B 26/08 (2006.01); G02B 26/10 (2006.01); G02B 26/12 (2006.01); G02B 27/48 (2006.01); G03B 21/20 (2006.01); H04N 9/31 (2006.01);
U.S. Cl.
CPC ...
G02B 27/48 (2013.01); G02B 26/0833 (2013.01); G02B 26/105 (2013.01); G03B 21/2033 (2013.01); H04N 9/3129 (2013.01);
Abstract

A micro-projection system for projecting light on a projection surface, comprising: at least one coherent light source (); optical elements () in the optical path between said coherent light source and said projection surface; said optical elements including at least one reflective member () actuated by a drive signal for deviating light from said light source so as to scan a projected image onto said projecting surface; said optical elements including at least one vibrating element () actuated by a vibrating signal so as to reduce speckle onto said projecting surface. The corresponding method for reducing speckle is also provided.

Find Patent Forward Citations

Kilcher, Lucio. (2019). Micro-projection device with anti-speckle vibration mode (U.S. Patent No. 10401640). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10401640

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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