DUAL-CONE SMALL SPEAKER
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United States of America Patent
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Issued Date -
Sep 5, 2024
app pub date -
Oct 8, 2021
filing date -
Sep 2, 2020
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Abstract
Disclosed is a dual-cone loudspeaker, including: a frame; a cone assembly arranged on the frame and including a central cone and an outer cone; a central driving mechanism for driving the central cone to vibrate; and a plurality of outer driving mechanisms for driving the outer cone to vibrate. The outer driving mechanisms are arranged around the central driving mechanism. The central driving mechanism includes a central voice coil connected to the central cone, and a central magnetic driving system for driving the central voice coil. Each of the plurality of outer driving mechanisms includes an outer voice coil connected to the outer cone, and an outer magnetic driving system for driving the outer voice coil.
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