公开(公告)号：US10735864B2

公开(公告)日：2020-08-04

申请号：US16247360

申请日：2019-01-14

Applicant: SHENZHEN GRANDSUN ELECTRONIC CO., LTD.

Inventor： Weiyong Gong ,  Haiquan Wu ,  Mickael Bernard Andre Lefebvre ,  Ruiwen Shi

IPC: H04R9/06 ,  H04R7/12 ,  H04R7/18 ,  H04R9/02

Abstract: A speaker, including: a magnetic circuit system, a vibration system, and a speaker support, the speaker support is provided with a mounting cavity, both the magnetic circuit system and the vibration system are mounted in the mounting cavity; the vibration system includes a metal diaphragm and a flexible connector; the metal diaphragm is placed in the mounting cavity; an inner periphery of the flexible connector is bonded to an outer periphery of the metal diaphragm, and an outer periphery of the flexible connector is bonded to an inner periphery of the speaker support. The overall rigidity of the vibration system of the speaker can be improved via adopting the metal diaphragm, and the overall performance of the speaker is improved.

公开(公告)号：US11387027B2

公开(公告)日：2022-07-12

申请号：US16491313

申请日：2017-12-05

Applicant: SHENZHEN GRANDSUN ELECTRONIC CO., LTD.

Inventor： Mickael Bernard Andre Lefebvre ,  Gang Xie ,  Haiquan Wu ,  Weiyong Gong ,  Ruiwen Shi

IPC: H01F7/02 ,  H04R9/02 ,  H04R31/00

Abstract: A radial magnetic circuit assembly device includes a magnetic central column, a lower lantern ring and an upper lantern ring, the magnetic central column includes a large-diameter section and a small-diameter section which form a limit step on which each tile-shaped magnet is annularly and uniformly arranged, the lower lantern ring is sleeved on the tile-shaped magnet in a direction from the large-diameter section towards the small-diameter section and is configured to limit a radial displacement of each tile-shaped magnet, the upper lantern ring is sleeved on the tile-shaped magnet in a direction from the small-diameter section towards the large-diameter section to press the upper axial magnetic sheet and the lower axial magnetic sheet against the upper axial side surface and the lower axial side surface of each tile-shaped magnet respectively.

公开(公告)号：US11310579B2

公开(公告)日：2022-04-19

申请号：US16626239

申请日：2019-10-16

Applicant: SHENZHEN GRANDSUN ELECTRONIC CO., LTD.

Inventor： Mickael Bernard Andre Lefebvre ,  Haiquan Wu ,  Zhongqiang Tang ,  Shiwen Guo ,  Xin Yu ,  Jiugao Peng ,  Ruiwen Shi

IPC: H04R1/10

Abstract: The present application discloses a headset, the headset includes a headband; and two earphones respectively connected to two ends of the headband and including: an earphone housing connected to an end of the headband; an earmuff provided therein with a sounder; and a universal adjuster connected between the earphone housing and the earmuff and configured to arbitrarily adjust the earmuff relative to the earphone housing. The headset improves the fit of the earmuffs and the human ears, and improves the comfort when wearing.

公开(公告)号：US10694294B2

公开(公告)日：2020-06-23

申请号：US16247353

申请日：2019-01-14

Applicant: SHENZHEN GRANDSUN ELECTRONIC CO., LTD.

Inventor： Gang Xie ,  Haiquan Wu ,  Weiyong Gong ,  Mickael Bernard Andre Lefebvre ,  Ruiwen Shi

IPC: H04R25/00 ,  H04R9/06 ,  H04R7/18 ,  H04R9/02 ,  H04R7/12

Abstract: An electro-acoustic product, and more particularly to a metal diaphragm and a speaker. The metal diaphragm includes a hemispherical diaphragm portion that is provided with a central convex, a hemispherical diaphragm portion periphery is extended in a horizontal direction and configured to form an annular flat diaphragm portion, a annular flat diaphragm portion periphery is folded toward the convex direction of the hemispherical diaphragm portion and configured to extend away from the hemispherical diaphragm portion to form a trumpet-shaped diaphragm portion; a height of a trumpet-shaped diaphragm outer periphery portion away from the hemispherical diaphragm portion is greater than a height of a top portion of the hemispherical diaphragm portion. Thereby the split distortion of the speaker at high-frequency is reduced to ensure that the metal diaphragm can be normally vibrated to produce sound.

公开(公告)号：US10667058B2

公开(公告)日：2020-05-26

申请号：US16247356

申请日：2019-01-14

Applicant: SHENZHEN GRANDSUN ELECTRONIC CO., LTD.

Inventor： Gang Xie ,  Haiquan Wu ,  Weiyong Gong ,  Mickael Bernard Andre Lefebvre ,  Ruiwen Shi

IPC: H04R7/12 ,  H04R7/18 ,  H04R31/00 ,  H04R9/06

Abstract: A diaphragm, including: a metal dome, a non-metallic diaphragm portion, and a flexible rim. The non-metallic diaphragm portion is bonded to a metal dome outer periphery, and a non-metallic diaphragm portion outer periphery extends corresponding to a convex direction of the metal dome and expands radially away from the metal dome. The flexible rim is bonded to the non-metallic diaphragm portion outer periphery. The diaphragm of the present application adopts the combination of the metal dome, the non-metallic diaphragm portion, and the flexible rim, the overall rigidity of the diaphragm is enhanced, and the internal damping property of the diaphragm and the compliance of the vibration of the diaphragm can be adjusted, which can effectively reduce segmentation vibration of the diaphragm during high-frequency vibration and reduce the segmentation distortion of the diaphragm at high frequencies, thereby extending the bandwidth of the diaphragm.