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. 01, 2022
Filed:
Dec. 07, 2015
Applicant:
Nokia Technologies Oy, Espoo, FI;
Inventors:
Christopher Bower, Cambridge, GB;
Surama Malik, Cambridge, GB;
Assignee:
Nokia Technologies Oy, Espoo, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 5/024 (2006.01); A61B 5/00 (2006.01); A61B 5/1455 (2006.01);
U.S. Cl.
CPC ...
A61B 5/02427 (2013.01); A61B 5/14552 (2013.01); A61B 5/681 (2013.01); A61B 5/6802 (2013.01); A61B 5/6833 (2013.01); A61B 5/6898 (2013.01); A61B 5/0015 (2013.01); A61B 5/6832 (2013.01); A61B 2562/0233 (2013.01); A61B 2562/12 (2013.01);
Abstract
An apparatus comprising at least one light source, at least one photodetector, a first layer of optical material configured to embed the at least one light source, and a second layer of optical material configured to embed the at least one photodetector. The first and second layer of optical material are configured to guide light from the at least one light source and to prevent the light from the at least one light source directly reaching the at least on photodetector, and the second layer of optical material is configured to guide light towards the at least one photodetector.