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.

Date of Patent:
Jun. 10, 2025

Filed:

Nov. 15, 2022
Applicant:

Teknologian Tutkimuskeskus Vtt Oy, Espoo, FI;

Inventors:

Heikki Saari, Espoo, FI;

Christer Holmlund, Espoo, FI;

Ingmar Stuns, Espoo, FI;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 14/08 (2006.01); F21V 9/08 (2018.01); F21V 9/40 (2018.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
F21V 14/08 (2013.01); F21V 9/08 (2013.01); F21V 9/40 (2018.02); F21Y 2115/10 (2016.08);
Abstract

According to an example aspect of the present invention, there is provided a hyperspectral light source system, comprising a broadband light source arranged to generate and radiate a broadband light signal, a rotating multi bandpass filter arranged to pass through a part of the broadband light signal on one of multiple passbands of the hyperspectral light source system, wherein a rotation angle of the rotating multi bandpass filter determines the part of the broadband light signal that passes through the rotating multi bandpass filter and a tunable filter adjusted to pass through the part of the broadband light signal, coming from the rotating multi bandpass filter, on said one passband of the hyperspectral light source system.


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