蘋果獲批 Apple Watch 水下揚聲器專利:螢幕化身聲學振膜,潛水安全警示不漏接
蘋果公司獲批一項 Apple Watch 水下揚聲器專利,透過 Actuator 執行器驅動螢幕作為聲學振膜,在水中產生聲波。可應用於上浮速度警告、潛水時長、氣瓶剩餘量、深度警告及緊急求救等場景,支援約 50Hz 至 15,000Hz 的可聽範圍聲波,並可依水下壓力動態調整驅動力。
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