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:
Jun. 06, 2006
Filed:
Mar. 14, 2001
David A. Engler, Woodbury, MN (US);
Rolf W. Biernath, Wyoming, MN (US);
John C. Nelson, The Sea Ranch, CA (US);
David A. Engler, Woodbury, MN (US);
Rolf W. Biernath, Wyoming, MN (US);
John C. Nelson, The Sea Ranch, CA (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A microstructure to interact with electromagnetic waves by changing optical aspect in selected areas in response to an external signal, the microstructure comprising: a plurality of responsive elements, each responsive element capable of presenting at least two different optical aspects and changing between the optical aspects based on an applied external signal; a support substrate containing the responsive elements; and a plurality of assisting optical lenses each optically enlarging an image from the responsive elements associated with the assisting optical lens.