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:
Oct. 07, 2025
Filed:
Sep. 26, 2023
Amazon Technologies, Inc., Seattle, WA (US);
Harsha Inna Kedage Rao, Campbell, CA (US);
Vamshi Krishna Chillara, Quincy, MA (US);
Krishna Kamath Koteshwara, Santa Clara, CA (US);
Trausti Thor Kristjansson, San Jose, CA (US);
Amazon Technologies, Inc., Seattle, WA (US);
Abstract
Techniques for user devices to coordinate the emission of ultrasonic signals on behalf of different ultrasonic applications running on the user devices. User devices may have an ultrasonic front end that provides various ultrasonic applications, such as presence detection and proximity sensing, sleep monitoring, temperature and humidity sensing, and heartbeat monitoring. To perform the different functions, the ultrasonic applications use active sensing, or the transmission of ultrasonic signals to collect data about the environments around the user devices. However, the ultrasonic applications often use specific ultrasonic signals having different waveforms in order to collect the data used for their specific functionality. The ultrasonic front end may perform techniques to coordinate mutually exclusive emissions of the ultrasonic signals on behalf of the different ultrasonic applications based on various considerations, such as application priorities, operating schedules of the applications, and applications that can use the same waveform to collect data.