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:
Dec. 30, 2025
Filed:
Jun. 25, 2021
Applicant:
Ams International Ag, Jona, CH;
Inventors:
Francesco Paolo D'Aleo, Zurich, CH;
Kotaro Ishizaki, Zurich, CH;
Peter Roentgen, Thalwil, CH;
Javier Miguel Sánchez, Zurich, CH;
Assignee:
AMS International AG, Jona, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01J 3/02 (2006.01); G01J 3/06 (2006.01); G01J 3/26 (2006.01);
U.S. Cl.
CPC ...
G01J 3/0286 (2013.01); G01J 3/0256 (2013.01); G01J 3/06 (2013.01); G01J 3/26 (2013.01);
Abstract
A spectral sensor comprising a Fabry-Perot interferometer having a pair of reflectors, a photodetector located beneath the Fabry-Perot interferometer, a capacitance measurement circuit configured to measure a capacitance of the Fabry-Perot interferometer, and a controller configured to control a voltage applied across the reflectors of the Fabry-Perot interferometer.