Smart optical microphone/sensor
AssigneePhone-Or Ltd.
InventorsAlexander Paritsky, Sergey Smirnov
Life of this patent
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Abstract
The invention provides a smart optical microphone/sensor for sensing distances to a membrane or to a light-reflecting surface, including a source of light for illuminating the membrane or light-reflecting surface; a photodetector for receiving light reflected from the membrane or light-reflecting surface and for producing output signals; adjustable means for supplying power to the source of light, and a pre-amplifier for amplifying the output signals, whereby the sensitivity of the microphone/sensor can be adjusted.
Claims12
A smart optical microphone/sensor for sensing distances to a membrane or to a light-reflecting surface, comprising:
- a source of light for illuminating the membrane or light-reflecting surface;
- a photodetector for receiving light reflected from said membrane or light-reflecting surface and for producing output signals;
- adjustable means for supplying power to said source of light, and
- a pre-amplifier for amplifying said output signals,
- whereby the sensitivity of said microphone/sensor can be adjusted.
Dependencies are inferred from the claim text.