Speaker
AssigneeGoertek Inc.
InventorsTing Wang, Guodong Zhao, Jie Zhu, Chun Li, Chunfa Liu
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Abstract
A speaker is disclosed, which comprises a vibration system and a magnetic circuit system cooperating with the vibration system. The vibration system includes a speaker diaphragm, the speaker diaphragm comprises two surface layers compounded together and at least one intermediate layer positioned between the two surface layers, at least one of the surface layers is a thermoplastic polyester elastomer film layer, the at least one intermediate layer is an adhesive layer, the speaker diaphragm has Young's modulus of 5-700 MPa and an amplitude of 0.25 mm-1 mm, and the speaker has F0 of 150-1500 Hz. The speaker has a good sounding effect.
Claims16
A speaker, comprising a vibration system including a speaker diaphragm and a magnetic circuit system cooperating with the vibration system, wherein the speaker diaphragm comprises two surface layers compounded together and at least one intermediate layer positioned between the two surface layers, at least one of the surface layers comprises a thermoplastic polyester elastomer film layer, the at least one intermediate layer comprises an adhesive layer, the speaker diaphragm has Young's modulus of 5-700 MPa and an amplitude of 0.25 mm-1 mm, and the speaker has F0 of 150-1500 Hz, and the thermoplastic polyester elastomer film layer has no yield point or has a yield point greater than 10%.
Dependencies are inferred from the claim text.