piezotransistor accelerometer

piezotransistor accelerometer

[pē¦ā·zō·tran′zis·tər ak‚sel·ə′räm·əd·ər]
(engineering)
An accelerometer in which a seismic mass supported by a stylus transmits a concentrated force to the upper diode surface of a transistor and acceleration is determined from the resulting change in current across the pn junction of the transistor.