Patents by Inventor SHENGGANG TAO
SHENGGANG TAO has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11962987Abstract: The present disclosure relates to a magnetic circuit of a loudspeaker and a loudspeaker, which can improve the non-linearity of magnetic permeability, thereby reducing the distortion of the loudspeaker. A magnetic circuit comprises a T-yoke with a base and a columnar portion protruding upward from the base, a magnetic steel arranged on the base, and a front sheet arranged on the magnetic steel, wherein the magnetic steel and the front sheet are arranged around a periphery of the columnar portion, and a short-circuit ring is arranged on an inner side of the magnetic steel and/or the front sheet. A first short-circuit ring is provided between the inner wall of the magnetic steel and the outer wall of the columnar portion, and a second short-circuit ring is provided on the inner wall of the front sheet.Type: GrantFiled: October 10, 2019Date of Patent: April 16, 2024Assignee: Suzhou Sonavox Electronics Co., Ltd.Inventors: Yuewu Shen, Shenggang Tao, Bo Gu, Xiaoqing Wang, Guoqiang Chai
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Patent number: 11849277Abstract: A loudspeaker system, having a good low-frequency response without a large box and effectively improving the efficiency of the loudspeaker system, so as to increase the output sound pressure level of the system, comprises a box and a plurality of loudspeakers arranged in the box and connected in parallel with each other, wherein each of the loudspeakers comprises a frame, a diaphragm arranged on the frame, and a voice coil for driving a vibration of the diaphragm; front surfaces of the diaphragms of the loudspeakers are arranged to face each other; a sound cavity is formed among the front surfaces of the diaphragms, and the sound cavity is in communication with the outside of the box; and each of the frames is located between a rear surface of its corresponding diaphragm and an inner wall of the box.Type: GrantFiled: October 15, 2019Date of Patent: December 19, 2023Assignee: SUZHOU SONAVOX ELECTRONICS CO., LTD.Inventors: Yuewu Shen, Shenggang Tao, Jianfeng Tang, Xiaoqing Wang, Guoqiang Chai
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Publication number: 20230138715Abstract: A loudspeaker system, having a good low-frequency response without a large box and effectively improving the efficiency of the loudspeaker system, so as to increase the output sound pressure level of the system, comprises a box and a plurality of loudspeakers arranged in the box and connected in parallel with each other, wherein each of the loudspeakers comprises a frame, a diaphragm arranged on the frame, and a voice coil for driving a vibration of the diaphragm; front surfaces of the diaphragms of the loudspeakers are arranged to face each other; a sound cavity is formed among the front surfaces of the diaphragms, and the sound cavity is in communication with the outside of the box; and each of the frames is located between a rear surface of its corresponding diaphragm and an inner wall of the box.Type: ApplicationFiled: October 15, 2019Publication date: May 4, 2023Inventors: Yuewu SHEN, Shenggang TAO, Jianfeng TANG, Xiaoqing WANG, Guoqiang CHAI
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Publication number: 20220232325Abstract: The present disclosure relates to a magnetic circuit of a loudspeaker and a loudspeaker, which can improve the non-linearity of magnetic permeability, thereby reducing the distortion of the loudspeaker. A magnetic circuit comprises a T-yoke with a base and a columnar portion protruding upward from the base, a magnetic steel arranged on the base, and a front sheet arranged on the magnetic steel, wherein the magnetic steel and the front sheet are arranged around a periphery of the columnar portion, and a short-circuit ring is arranged on an inner side of the magnetic steel and/or the front sheet. A first short-circuit ring is provided between the inner wall of the magnetic steel and the outer wall of the columnar portion, and a second short-circuit ring is provided on the inner wall of the front sheet.Type: ApplicationFiled: October 10, 2019Publication date: July 21, 2022Inventors: Yuewu SHEN, Shenggang TAO, Bo GU, Xiaoqing WANG, Guoqiang CHAI
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Patent number: 11279278Abstract: A pedestrian warning device, comprising a warning device body having a cavity and an open end portion, and a sound-generating device mounted inside the cavity, wherein the pedestrian warning device further comprises a grille cover arranged on the end portion of the warning device body; the grille cover comprises at least two grille layers spaced at intervals from the inside to the outside, each of the grille layers comprising a plurality of crossbeams, the crossbeams being arranged at intervals so as to form gaps to enable gas to flow between adjacent crossbeams, and wherein a width of the gaps is not greater than a width of the crossbeams, and the crossbeams of adjacent grille layers are interleaved with each other. The grille cover can protect internal component of the pedestrian warning device and will not affect the performance of the pedestrian warning device.Type: GrantFiled: August 7, 2019Date of Patent: March 22, 2022Assignee: Suzhou Sonavox Electronics Co., Ltd.Inventors: Xiafeng Xue, Jianming Zhou, Guoqiang Chai, Shenggang Tao, Kaihua Qian
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Publication number: 20210309146Abstract: A pedestrian warning device, comprising a warning device body having a cavity and an open end portion, and a sound-generating device mounted inside the cavity, wherein the pedestrian warning device further comprises a grille cover arranged on the end portion of the warning device body; the grille cover comprises at least two grille layers spaced at intervals from the inside to the outside, each of the grille layers comprising a plurality of crossbeams, the crossbeams being arranged at intervals so as to form gaps to enable gas to flow between adjacent crossbeams, and wherein a width of the gaps is not greater than a width of the crossbeams, and the crossbeams of adjacent grille layers are interleaved with each other. The grille cover can protect internal component of the pedestrian warning device and will not affect the performance of the pedestrian warning device.Type: ApplicationFiled: July 8, 2019Publication date: October 7, 2021Applicant: Suzhou Sonavox Electronics Co., LTDInventors: Xiafeng Xue, Jianming Zhou, Guoqiang Chai, Shenggang Tao, Kaihua Qian
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Patent number: 11089400Abstract: The present disclosure relates to a coaxial speaker, which has better dust-proof and water-proof performance. The coaxial loudspeaker comprises a bass unit and a high-pitched unit coaxially arranged, the bass unit comprises a T-iron, a diaphragm and a voice coil connected to the diaphragm. The coaxial loudspeaker further comprises a cabin fixed on the T-iron, a lower portion of the cabin passes through the voice coil to connect with the T-iron, a top end portion of the cabin is located above the diaphragm, the high-pitched unit is arranged on the top end portion of the cabin, and the coaxial loudspeaker further comprises a dust-proof ring having an upper edge connected with the top end portion of the cabin and a lower edge connected with the upper portion of the voice coil.Type: GrantFiled: September 21, 2018Date of Patent: August 10, 2021Assignee: SUZHOU SONAVOX ELECTRONICS CO., LTDInventors: Shenggang Tao, Kaihua Qian, Yuewu Shen, Xiaoqing Wang, Guoqiang Chai
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Publication number: 20210136482Abstract: The present disclosure relates to a coaxial speaker, which has better dust-proof and water-proof performance. The coaxial loudspeaker comprises a bass unit and a high-pitched unit coaxially arranged, the bass unit comprises a T-iron, a diaphragm and a voice coil connected to the diaphragm. The coaxial loudspeaker further comprises a cabin fixed on the T-iron, a lower portion of the cabin passes through the voice coil to connect with the T-iron, a top end portion of the cabin is located above the diaphragm, the high-pitched unit is arranged on the top end portion of the cabin, and the coaxial loudspeaker further comprises a dust-proof ring having an upper edge connected with the top end portion of the cabin and a lower edge connected with the upper portion of the voice coil.Type: ApplicationFiled: September 21, 2018Publication date: May 6, 2021Inventors: SHENGGANG TAO, KAIHUA QIAN, YUEWU SHEN, XIAOQING WANG, GUOQIANG CHAI