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DE102020108994A1
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In-ear headphone device with active noise control
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A method and system for driving a voice coil of a loudspeaker
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A method and system for driving a voice coil of a loudspeaker
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Firmware upgrade for wireless stereo earbuds
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Synchronization of motion-sensitive acoustic speakers
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Vibration system of ultra-thin full-range loudspeaker
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Sliding rail having polyformaldehyde (pom) grooves
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Connecting mechanism
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Sliding rail
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Single-magnetic double-sound-path coaxial loudspeaker
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MAGNETIC CIRCUIT SYSTEM
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Array type magnetic circuit system
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Shading ring and loudspeakers
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Testing machine
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Magnetic connection for loudspeaker, a loudspeaker having the same, and a method of manufacture
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Coil spring suspension system for loudspeaker
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Transducer with rear mounted suspension element
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CONVERTER WITH HANGING ELEMENT AT THE REAR
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Speaker with hidden folding ring
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