公开(公告)号：US10219080B2

公开(公告)日：2019-02-26

申请号：US15552707

申请日：2015-12-09

Applicant: Goertek, Inc.

Inventor： Lianwen Shan ,  Xinfeng Yang ,  Hairong Wang ,  Longhao Cui

IPC: H04R9/02 ,  H04R1/22 ,  H04R9/06 ,  H04R23/02 ,  H04R19/02 ,  H04R31/00

Abstract: Disclosed is an electrical-acoustic transformation device, including: a vibration system and a magnetic circuit system with a magnetic gap; wherein the vibration system includes: a diaphragm, a voice coil provided below the diaphragm and suspending in the magnetic gap, a piezoelectric plate provided on one side of the diaphragm, a first frequency division circuit connected to the voice coil, and a second frequency division circuit connected to the piezoelectric plate; and the first frequency division circuit performs frequency division on an externally input first audio signal and outputs same to the voice coil; and the second frequency division circuit performs frequency division on an externally input second audio signal to obtain a high frequency signal to drive the piezoelectric plate. The present invention provides an electrical-acoustic transformation device with super wideband.

公开(公告)号：US10225664B2

公开(公告)日：2019-03-05

申请号：US15552677

申请日：2015-12-17

Applicant: Goertek, Inc.

Inventor： Lianwen Shan ,  Xinfeng Yang ,  Hairong Wang ,  Longhao Cui

IPC: H04R9/06 ,  H04R9/04 ,  H04R7/10 ,  H04R7/04 ,  H04R17/00 ,  B06B1/02 ,  B06B1/04 ,  B06B1/06 ,  H04R1/02 ,  H04R1/06 ,  H04R1/22 ,  H04R1/24 ,  H04R23/02

Abstract: Disclosed is an electrical-acoustic transformation device, including: a vibration system and a magnetic circuit system with a magnetic gap; wherein the vibration system includes: a diaphragm, a voice coil provided below the diaphragm and suspending in the magnetic gap, and a piezoelectric plate provided on one side of the diaphragm; and conductive lines are formed on the diaphragm, the conductive lines include a first conductive line connected to the piezoelectric plate to input an externally input first audio signal to the piezoelectric plate via the first conductive line. The electrical-acoustic transformation device in the present invention has a moving coil sound generating structure and a piezoelectric sound generating structure. The piezoelectric plate compensates the high-frequency response of the vibration system, realizing an electrical-acoustic transformation device with good performance and super wideband.

公开(公告)号：US20180054680A1

公开(公告)日：2018-02-22

申请号：US15552555

申请日：2015-12-17

Applicant: Goertek, Inc.

Inventor： Lianwen Shan ,  Xinfeng Yang ,  Hairong Wang ,  Longhao Cui

IPC: H04R19/02 ,  H04R1/40 ,  H04R17/00 ,  H04R19/01 ,  H04R7/06

CPC classification number: H04R19/02 ,  H04R1/025 ,  H04R1/225 ,  H04R1/24 ,  H04R1/403 ,  H04R7/06 ,  H04R17/00 ,  H04R17/005 ,  H04R19/013 ,  H04R2499/11

Abstract: Disclosed are an electrical-acoustic transformation device and an electronic device, including a moving coil electrical-acoustic transformation unit and a piezoelectric buzzer. The electrical-acoustic transformation device in the present invention has a moving coil sound generating structure and a piezoelectric sound generating structure. The piezoelectric plate compensates the high-frequency response of a vibrating system, realizing an electrical-acoustic transformation device with good performance and super wideband.

公开(公告)号：US20180041844A1

公开(公告)日：2018-02-08

申请号：US15552677

申请日：2015-12-17

Applicant: Goertek, Inc.

Inventor： Lianwen Shan ,  Xinfeng Yang ,  Hairong Wang ,  Longhao Cui

IPC: H04R23/02 ,  H04R9/04 ,  H04R1/02 ,  H04R7/04 ,  H04R1/22 ,  B06B1/02

CPC classification number: H04R23/02 ,  B06B1/0292 ,  B06B1/045 ,  B06B1/0648 ,  H04R1/02 ,  H04R1/06 ,  H04R1/22 ,  H04R1/24 ,  H04R7/04 ,  H04R7/10 ,  H04R9/04 ,  H04R9/06 ,  H04R17/00

Abstract: Disclosed is an electrical-acoustic transformation device, including: a vibration system and a magnetic circuit system with a magnetic gap; wherein the vibration system includes: a diaphragm, a voice coil provided below the diaphragm and suspending in the magnetic gap, and a piezoelectric plate provided on one side of the diaphragm; and conductive lines are formed on the diaphragm, the conductive lines include a first conductive line connected to the piezoelectric plate to input an externally input first audio signal to the piezoelectric plate via the first conductive line. The electrical-acoustic transformation device in the present invention has a moving coil sound generating structure and a piezoelectric sound generating structure. The piezoelectric plate compensates the high-frequency response of the vibration system, realizing an electrical-acoustic transformation device with good performance and super wideband.

公开(公告)号：US20180035213A1

公开(公告)日：2018-02-01

申请号：US15552707

申请日：2015-12-09

Applicant: Goertek, Inc.

Inventor： Lianwen Shan ,  Xinfeng Yang ,  Hairong Wang ,  Longhao Cui

IPC: H04R23/02 ,  H04R31/00 ,  H04R9/06 ,  H04R1/22 ,  H04R9/02

CPC classification number: H04R23/02 ,  H04R1/22 ,  H04R9/025 ,  H04R9/06 ,  H04R19/02 ,  H04R31/003 ,  H04R2209/024 ,  H04R2400/11

Abstract: Disclosed is an electrical-acoustic transformation device, including: a vibration system and a magnetic circuit system with a magnetic gap; wherein the vibration system includes: a diaphragm, a voice coil provided below the diaphragm and suspending in the magnetic gap, a piezoelectric plate provided on one side of the diaphragm, a first frequency division circuit connected to the voice coil, and a second frequency division circuit connected to the piezoelectric plate; and the first frequency division circuit performs frequency division on an externally input first audio signal and outputs same to the voice coil; and the second frequency division circuit performs frequency division on an externally input second audio signal to obtain a high frequency signal to drive the piezoelectric plate. The present invention provides an electrical-acoustic transformation device with super wideband.

公开(公告)号：US10553191B2

公开(公告)日：2020-02-04

申请号：US15573693

申请日：2015-11-18

Applicant: GOERTEK INC.

Inventor： Lianwen Shan ,  Xinfeng Yang ,  Hairong Wang ,  Longhao Cui

IPC: G10K9/122 ,  H04R1/28 ,  H04R17/00

Abstract: The present invention discloses a sound generating apparatus, an electrode device and a method for manufacturing the same. The sound generating apparatus includes a sound generating member, a piezoelectric buzzer and a front cover, wherein the front cover is attached to the front of the sound generating member, and the piezoelectric buzzer is attached to the front cover.

公开(公告)号：US10291991B2

公开(公告)日：2019-05-14

申请号：US15552555

申请日：2015-12-17

Applicant: Goertek, Inc.

Inventor： Lianwen Shan ,  Xinfeng Yang ,  Hairong Wang ,  Longhao Cui

IPC: H04R1/02 ,  H04R1/24 ,  H04R17/00 ,  H04R1/22 ,  H04R19/01 ,  H04R19/02 ,  H04R1/40 ,  H04R7/06

Abstract: Disclosed are an electrical-acoustic transformation device and an electronic device, including a moving coil electrical-acoustic transformation unit and a piezoelectric buzzer. The electrical-acoustic transformation device in the present invention has a moving coil sound generating structure and a piezoelectric sound generating structure. The piezoelectric plate compensates the high-frequency response of a vibrating system, realizing an electrical-acoustic transformation device with good performance and super wideband.