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:
Nov. 09, 2021
Filed:
Jan. 26, 2020
Knowles Electronics, Llc, Itasca, IL (US);
Claus Erdmann Fürst, Roskilde, DK;
Henrik Thomsen, Holte, DK;
Michael Deruginsky, Hillerød, DK;
Dibyendu Nandy, Naperville, IL (US);
Oddy Nopporn Khamharn, Addison, IL (US);
Aziz Yurttas, Copenhagen, DK;
Svetoslav Radoslavov Gueorguiev, Copenhagen, DK;
Anders Mortensen, Koge, DK;
Knowles Electronics, LLC, Itasca, IL (US);
Abstract
The present disclosure relates generally to a microphone assembly. The microphone assembly has an acoustic activity detection mode of operation when the electrical circuit is clocked using an internal clock signal generator in the absence of an external clock signal at a host interface, and an electrical circuit of the microphone assembly is configured to provide an interrupt signal to the host interface upon detection of acoustic activity by the electrical circuit. The electrical circuit is configured to control the operating mode of the microphone assembly based on a frequency of the external clock signal in response to providing the interrupt signal and is configured to provide data representing the electrical signal to the host interface using the external clock signal received at the host interface.