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. 30, 2026
Filed:
Sep. 05, 2023
Qualcomm Incorporated, San Diego, CA (US);
Fitzgerald John Archibald, Richmond Hill, CA;
QUALCOMM Incorporated, San Diego, CA (US);
Abstract
Some disclosed methods involve monitoring a heart rate waveform associated with a subject to detect cardiac cycle markers, determining a cardiac phase transition window based on the cardiac cycle markers, and activating a photoacoustic sampling system at a start of the cardiac phase transition window, the photoacoustic sampling system including a piezoelectric receiver and a light source system. Such methods may involve, during the cardiac phase transition window, controlling the light source system to emit a plurality of light pulses into biological tissue of the subject, receiving, from the piezoelectric receiver, signals corresponding to acoustic waves emitted from portions of the biological tissue, and obtaining plethysmography data based on the signals. Such methods may involve deactivating the photoacoustic sampling system by an end of the cardiac phase transition window.