MASTER DEVICE AND SENSOR SYSTEM
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United States of America Patent
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Issued Date -
Oct 5, 2023
app pub date -
Jan 11, 2023
filing date -
Jan 11, 2023
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Abstract
A master device includes: a light emission circuit configured to emit first laser light; an amplitude control circuit configured to control a scanning amplitude of a micro electro mechanical system (MEMS) mirror that scans the first laser light in a raster scan method; a timing data generation circuit configured to generate timing data that indicates a timing when a scanning angle of the MEMS mirror becomes zero, based on an operation of the MEMS mirror; a buffer configured to store the timing data in one frame of the scanning of the MEMS mirror; a light emission control circuit configured to control light emission of the first laser light by the light emission circuit, based on the timing data generated by the timing data generation circuit; and a data output circuit configured to output data to a slave device that operates dependent on an own device.
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