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:
Aug. 23, 2022
Filed:
May. 18, 2020
At&t Intellectual Property I, L.p., Atlanta, GA (US);
Gary Brian Temerowski, II, Flower Mound, TX (US);
Lauren Savage, Santa Clara, CA (US);
Jami Carter Brooks Daly, Dallas, TX (US);
Joshua West, Leander, TX (US);
Martin Patrick McEnroe, Plano, TX (US);
AT&T Intellectual Property I, L.P., Atlanta, GA (US);
Abstract
A method and apparatus for detecting a photoacoustic light signal to prevent unauthorized voice commands for a microphone-controllable device are provided. The method includes receiving, by a processor, a signal, detecting, by the processor, that the signal is a photoacoustic signal generated by a thermal expansion and contraction of an object caused by at least one lightwave applied to the object, and activating, by the processor, a counter-measure to prevent the photoacoustic signal from reaching a microphone of a microphone-controllable device in response to detecting the photoacoustic signal.