LASER PROJECTION APPARATUS
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Dec 5, 2024
filing date -
Dec 5, 2024
priority date (Note) -
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status (Latency Note)
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Abstract
A laser projection apparatus includes a laser source assembly, an optical modulator, a display control circuit, and a signal shaping circuit. The laser source assembly is configured to be turned on or turned off under driving of a target driving signal. The display control circuit is configured to: output an image display driving signal to the optical modulator, and synchronously output an initial driving signal to the laser source assembly. The initial driving signal includes an initial enable signal and an initial brightness adjustment signal. The signal shaping circuit is disposed in a path for transmitting at least one of the initial enable signal or the initial brightness adjustment signal to the laser source assembly. The signal shaping circuit is configured to output a shaping signal. The shaping signal is superimposed on the initial enable signal or the initial brightness adjustment signal to form the target driving signal.
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