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. 30, 2021
Filed:
Jan. 18, 2018
Koninklijke Philips N.v., Eindhoven, NL;
Elise Claude Valentine Talgorn, Eindhoven, NL;
Willem Verkruijsse, Veldhoven, NL;
Lieven Adriaenssen, Vilvoorde, BE;
Koninklijke Philips N.V., Eindhoven, NL;
Abstract
Techniques are described for detecting erythema caused by wearable devices. In various embodiments, a wearable device may include light source(s) to emit light at multiple wavelengths; light sensor(s) to receive light reflected from tissue of an individual that wears the wearable device; and logic configured to: operate the light source(s) to emit light at multiple wavelengths; receive a signal generated by the light sensor(s), wherein the signal is generated by the light sensor(s) in response to detection of light reflected from the tissue; analyze the signal to determine a first metric from a first wavelength of the light reflected from a first depth of the tissue and a second metric from a second wavelength of the light reflected from a second depth of the tissue; identify a correlation between the first and second metrics; and provide output indicative of tissue erythema based on the correlation.