MEASUREMENT DEVICE, MEASUREMENT METHOD, AND COMPUTER-READABLE RECORDING MEDIUM STORING MEASUREMENT PROGRAM
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United States of America Patent
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Issued Date -
Mar 16, 2023
app pub date -
Nov 18, 2022
filing date -
Jun 3, 2020
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Abstract
A measurement device includes: a memory; and a processor coupled to the memory and configured to: generate a drive signal with a sine wave, according to a clock signal; control a reflection direction of output light of a light emitting device, by utilizing a resonance frequency, according to the drive signal; control a timing at which the drive signal is generated; and add or remove a pulse of a reference clock signal configured to generate the clock signal, according to a phase difference between a desired control signal and the control signal.
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