AMS TechnologiesVibrations firmly in view
To date, MEMS or piezo sensors and microphones have been used to record vibrations - from machine parts, for example. Another approach is an optical sensor based on a self-mixing laser diode.
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<p>Concept of the SMLD sensor from VocalZoom: The ASIC measures the power consumption of the self-mixing laser diode with high accuracy, extracts the useful signals speed and distance using sophisticated signal processing and outputs them via a fast HDMI interface.</p> © AMS Technologies