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. 28, 2023
Filed:
Mar. 27, 2020
Koninklijke Philips N.v., Eindhoven, NL;
Gary Nelson Garcia Molina, Madison, WI (US);
Ulf Grossekathöfer, Eindhoven, NL;
Stojan Trajanovski, Eindhoven, NL;
Jesse Salazar, Gibsonia, PA (US);
Tsvetomira Kirova Tsoneva, Eindhoven, NL;
Sander Theodoor Pastoor, Vleuten, NL;
Antonio Aquino, Harrison City, PA (US);
Adrienne Heinrich, Metro Manila, PH;
Birpal Singh Sachdev, Delmont, PA (US);
KONINKLIJKE PHILIPS N.V., Eindhoven, NL;
Abstract
Typically, high NREM stage N3 sleep detection accuracy is achieved using a frontal electrode referenced to an electrode at a distant location on the head (e.g., the mastoid, or the earlobe). For comfort and design considerations it is more convenient to have active and reference electrodes closely positioned on the frontal region of the head. This configuration, however, significantly attenuates the signal, which degrades sleep stage detection (e.g., N3) performance. The present disclosure describes a deep neural network (DNN) based solution developed to detect sleep using frontal electrodes only. N3 detection is enhanced through post-processing of the soft DNN outputs. Detection of slow-waves and sleep micro-arousals is accomplished using frequency domain thresholds. Volume modulation uses a high-frequency/low-frequency spectral ratio extracted from the frontal signal.