Patent · US Active

Apparatus for biometric measurement

US11234605B2 · kind B2 · utility

0Cited by

2References

10Claims

0Family size

Assignee

NOKIA TECHNOLOGIES OY · FI

Inventors

Christopher L. Bower · St Ives, GB
Surama Malik · Cambridge, GB

Key dates

Filing date	Dec 7, 2015
Grant date	Feb 1, 2022
Priority date	—
Expiry date	Aug 10, 2036

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B2562/12
WIPO fieldMedical technology
WIPO sectorInstruments

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.