Controller for sound producing device with dynamic vent function
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Dec 11, 2024
filing date -
Dec 11, 2024
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Abstract
A controller for controlling a sound producing device includes a vent controller and an audio amplifier. The vent controller is configured to output a first driving voltage and a second driving voltage to the sound producing device, to control the sound producing device to form a vent. The audio amplifier is configured to output a first audio signal to the sound producing device, to produce a sound. The sound producing device comprises a flap pair, and the flap pair comprises a first flap and a second flap. The vent controller outputs the first driving voltage and actuates the first flap to generate a first displacement, the vent controller outputs the second driving voltage and actuates the second flap to generate a second displacement, and the vent is formed because of a difference between the first displacement and the second displacement.
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