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:
Mar. 31, 2026
Filed:
May. 09, 2024
Aicare Corporation, San Jose, CA (US);
Fang Fang, Cupertino, CA (US);
Xuzhe Zhi, Placentia, CA (US);
Raymond Fangkai Xu, Cupertino, CA (US);
John Fee, Knoxville, TN (US);
AiCare Corporation, San Jose, CA (US);
Abstract
Provided herein are methods and devices for determining a personalized circadian rhythm identification and prediction from wearable data comprising: obtaining or having obtained data from one or more wearable devices during one or more daytime and nighttime cycles; using a processor and a machine learning algorithm comprising: determining a daytime threshold and a nighttime threshold from the data obtained during the one or more daytime and nighttime cycles by: temporally segmenting the data; identifying one or more daytime and nighttime boundary by: selecting from at least one of physical activity, heart rate, or sleep status data; temporally segmenting the physical activity, heart rate, or sleep status data to establish a circadian rhythm; using at least one of a 2-mean, 5-mean, or K-nearest neighbor algorithm to determine the one or more daytime and sleeptime boundaries; and identifying and predicting the personalized circadian rhythm.