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. 11, 2017
Filed:
Nov. 21, 2014
At&t Intellectual Property I, L.p., Atlanta, GA (US);
James H. Pratt, Round Rock, TX (US);
Ari Craine, Marietta, GA (US);
Garrett Stettler, Austin, TX (US);
Marc Andrew Sullivan, Austin, TX (US);
AT&T INTELLECTUAL PROPERTY I, L.P., Atlanta, GA (US);
Abstract
The emission of variable ultrasonic sound waves from a plurality of sound sources is controlled based on controlled signals generated by a controller. The plurality of sound sources emit ultrasonic waves towards a surface based on the control signals, creating a force which causes particles within a region proximate the surface to move in a desired manner with respect to the surface. The movement of the particles with respect to the surface changes the appearance of the surface. In this manner, the appearance of the surface may be changed in a desired manner to suit needs for home automation and security.