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:
Feb. 04, 2020
Filed:
Jan. 26, 2016
Koninklijke Philips N.v., Eindhoven, NL;
Elvira Johanna Maria Paulussen, Eindhoven, NL;
Cristian Nicolae Presura, Veldhoven, NL;
Edgar Martinus van Gool, Veghel, NL;
KONINKLIJKE PHILIPS N.V., Eindhoven, NL;
Abstract
The invention relates to a photoplethysmography (PPG) apparatus (), comprising at least one light source () configured to generate a beam of source light () having a source beam angle () and at least one controllable beam angle adapter () configured to receive a beam-angle control signal () indicative of a modified beam angle () to be set, the beam angle adapter () being further configured to provide the beam of source light () with a modified beam angle () to an external object (). The PPG apparatus () comprises at least one PPG sensor()configured to provide a sensor signal () indicative of source light () scattered by the external object (), and a PPG evaluation and control unit () configured to receive the sensor signal (), to provide the beam-angle control signal () and to provide at its output () an AC signal component of the sensor signal ().