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. 06, 2017
Filed:
Mar. 26, 2015
Koninklijke Philips N.v., Eindhoven, NL;
Alphonsus Tarcisius Jozef Maria Schipper, Strampoy, NL;
Koninklijke Philips N.V., Eindhoven, NL;
Abstract
The present invention relates to a monitoring device () comprising a light source () for emitting light into a body part () of a living being; a light sensor () for receiving light () including an ambient light component () and a measurement light component () resulting from interactions of said emitted light with said body part () and for generating an output signal (), wherein a transfer function describes the relation between the output signal () and the received light; an ambient light cancellation unit () for separating the output signal () into a first signal portion () corresponding to the ambient light component () and a second signal portion () corresponding to the measurement light component (); and an ambient light modulation removal unit () for compensating a variation of the ambient light component () by demodulating the second signal portion () based on the transfer function (f) and the first signal portion () to generate a measurement signal ().