Sensor and a sensor system

Ville Viikari (Inventor), Heikki Seppä (Inventor), Teuvo Sillanpää (Inventor)

Research output: PatentPatent


The invention relates to a sensor and a system for measuring pressure, variation in sound pressure, a magnetic field, acceleration, vibration, or the composition of a gas. The sensor comprises an ultrasound transmitter, a cavity, and a passive sensor element. In accordance with the invention the sensor includes antenna means for receiving radio frequency signals (f1, f2), and connecting means connecting the antenna to the ultrasound transmitter for using the radio frequency signals for providing energy for driving the ultrasound transmitter.

Patent family as of 27.9.2021
DE602011058043 D1 20190502 DE201160058043T 20111207      
EP2656506 A1 20131030 EP20110850542 20111207      
EP2656506 A4 20140514 EP20110850542 20111207      
EP2656506 B1 20190410 EP20110850542 20111207      
FI20106349 A 20120621 FI20100006349 20101220      
FI20106349 A0 20101220 FI20100006349 20101220      
US10673537 BB 20200602 US20110995527 20111207      
US2013336095 AA 20131219 US20110995527 20111207      
WO12085333 A1 20120628 WO2011FI51081 20111207

Link to current patent family on right 

Original languageEnglish
Patent numberEP2656506
IPCG08C 17/ 02 A I
Priority date7/12/11
Publication statusPublished - 30 Oct 2013
MoE publication typeH1 Granted patent


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