EARPHONE LOUDSPEAKER
An earphone loudspeaker comprises an earphone loudspeaker body. The earphone loudspeaker is internally provided with a front cover (21), a sound diaphragm (22), a U cup (23), and a back cavity cover (20). A front cavity (28) is formed between the front cover (21) and the sound diaphragm (22), a firs...
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| Format: | Patent |
| Sprache: | chi ; eng ; fre |
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| Zusammenfassung: | An earphone loudspeaker comprises an earphone loudspeaker body. The earphone loudspeaker is internally provided with a front cover (21), a sound diaphragm (22), a U cup (23), and a back cavity cover (20). A front cavity (28) is formed between the front cover (21) and the sound diaphragm (22), a first class back cavity (29) is formed between the sound diaphragm (22) and the U cup (23), and a variable sound cavity (30) is formed between the U cup (23) and the back cavity cover (20). The structure is simple and environmentally-friendly, achieves good sound effects, can reduce fatigue and injury of ears, improves the housing space of the entire earphone loudspeaker body and the production efficiency, and has high practicability.
L'invention concerne un haut-parleur d'écouteur qui comprend un corps de haut-parleur d'écouteur. Le haut-parleur d'écouteur comprend un couvercle avant (21), une membrane acoustique (22), une coupe en forme de U (23) et un couvercle de cavité arrière (20) disposés en son sein. Une cavité |
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