Laser drive device, sensing module, and timing adjustment method
AssigneeSony Semiconductor Solutions Corporation
InventorsTakashi Masuda, Mitsushi Tabata, Koichi Okamoto
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AssigneeSony Semiconductor Solutions Corporation
InventorsTakashi Masuda, Mitsushi Tabata, Koichi Okamoto
Estimating the term…
Provided is a laser drive device including a drive circuit that drives a light emitting element by a vertical cavity surface emitting laser to emit light on the basis of a drive control signal, an assist circuit that short-circuits both ends of the light emitting element on the basis of an assist control signal to speed up a fall time of the light emitting element, a timing adjustment unit that performs mutual timing adjustment between the drive control signal and the assist control signal on the basis of a timing adjustment signal, a phase detection unit that detects a phase difference between the drive control signal and the assist control signal, and a timing control unit that generates the timing adjustment signal on the basis of a phase difference detection result of the phase detection unit.
A laser drive device, comprising:
A sensing module, comprising:
A timing adjustment method of a laser drive device, the timing adjustment method comprising:
A laser drive device, comprising:
Dependencies are inferred from the claim text.