Optical-flow sensor
2001
The method of the flow sensor and the gas flow velocity measured along an optical predetermined linear direction. A sensor comprising a light emitting means, light receiving means, gain amplifier controlled by the signal analog to digital converter and digital signal processors. The method comprises emitting a collimated light beam, collimated light beam received, generates an output signal, the amplified output signal and the digitized, providing a speed output signal.
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