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:
Apr. 26, 2016
Filed:
Sep. 10, 2010
Applicants:
Heikki Seppä, Espoo, FI;
Ville Viikari, Espoo, FI;
Inventors:
Heikki Seppä, Espoo, FI;
Ville Viikari, Espoo, FI;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L 9/06 (2006.01); G01S 13/75 (2006.01); G01L 19/00 (2006.01); G01L 9/00 (2006.01);
U.S. Cl.
CPC ...
G01S 13/753 (2013.01); G01L 9/0008 (2013.01); G01L 19/00 (2013.01);
Abstract
This document describes a wireless sensor comprising a MEMS resonator and an antenna directly matched thereto. Also a method of reading the wireless sensor is described. The method comprises illuminating the wireless sensor with electromagnetic energy at a first and second frequencies and receiving an intermodulation signal emitted by the wireless sensor in response to said electromagnetic energy at the first and second frequencies.