Patents by Inventor Fuhu Zhang
Fuhu Zhang 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: 10674250Abstract: The present disclosure discloses a speaker box which includes an upper cover, a lower cover fixed to the upper cover in a covering manner and forming an accommodating space with the lower cover, and a sound unit accommodated in the accommodating space. The sound unit and the upper cover define a front cavity. The sound unit, the lower cover and the upper cover define a rear cavity together. The speaker box further includes a cover plate fixed to one side of the upper cover away from the lower cover, and an air-permeable isolating member. The cover plate and the upper cover are separated and define an auxiliary cavity which is filed with sound-absorbing particles. The air-permeable isolating member is fixed to the upper cover and completely covers the through hole, and the air-permeable isolating member encloses the sound-absorbing particles in the auxiliary cavity.Type: GrantFiled: July 31, 2019Date of Patent: June 2, 2020Assignee: AAC Acoustic Technologies (Shenzhen) Co., Ltd.Inventors: Yanlong Wang, Fuhu Zhang
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Publication number: 20200045413Abstract: The present disclosure discloses a speaker box which includes an upper cover, a lower cover fixed to the upper cover in a covering manner and forming an accommodating space with the lower cover, and a sound unit accommodated in the accommodating space. The sound unit and the upper cover define a front cavity. The sound unit, the lower cover and the upper cover define a rear cavity together. The speaker box further includes a cover plate fixed to one side of the upper cover away from the lower cover, and an air-permeable isolating member. The cover plate and the upper cover are separated and define an auxiliary cavity which is filed with sound-absorbing particles. The air-permeable isolating member is fixed to the upper cover and completely covers the through hole, and the air-permeable isolating member encloses the sound-absorbing particles in the auxiliary cavity.Type: ApplicationFiled: July 31, 2019Publication date: February 6, 2020Inventors: Yanlong Wang, Fuhu Zhang
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Publication number: 20180255393Abstract: A speaker box includes a lower cover; an upper cover engaging with the lower cover for forming an accommodating space; a speaker unit accommodated in the accommodating space; a front cavity formed by the speaker unit and the upper cover; a back cavity formed by the speaker unit, the lower cover and the upper cover; a clipping wall formed by the upper cover extending toward the lower cover till reaching the lower cover; an air-permeable isolating component fixed on and clamped to the clipping wall and dividing the back cavity into a first back cavity and a second back cavity communicated with the first back cavity. The speaker unit is located in the first back cavity, the second back cavity is filled with acoustic absorbing particles, and the air-permeable isolating component seals the acoustic absorbing particles inside the second back cavity.Type: ApplicationFiled: July 11, 2017Publication date: September 6, 2018Inventors: Chengliang Wang, Lin Liu, Fuhu Zhang, Shengrong Shi
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Patent number: 10034110Abstract: A loudspeaker is disclosed. The loudspeaker includes a frame; a vibration system accommodated in the frame and comprising a vibrating diaphragm and a voice coil for driving the vibrating diaphragm fixed with the frame; a magnetic circuit system driving the vibration system; a light source assembled with the voice coil; a photosensitive sensor located in the yoke and within the irradiation scope of the light source. The magnetic circuit system includes a yoke positioned by the frame and a magnet portion supported by the yoke.Type: GrantFiled: January 26, 2017Date of Patent: July 24, 2018Assignee: AAC TECHNOLOGIES PTE. LTD.Inventors: Shengrong Shi, Fuhu Zhang, Ronglin Linghu
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Patent number: 9918161Abstract: A speaker box is disclosed. The speaker box includes a housing; a speaker unit accommodated in the housing and including a diaphragm for generating sound; a front sound cavity cooperatively formed by the diaphragm and the housing; a sound channel communicating the front sound cavity with outside space of the speaker box; and a sound-absorbing device disposed in the sound channel. The sound-adsorbing device includes an accommodation housing, sound-absorbing powder filled in the accommodation housing and a separation net sealing the accommodation housing. The speaker box achieves designed acoustic parameters with good acoustic performance.Type: GrantFiled: January 26, 2017Date of Patent: March 13, 2018Assignee: AAC TECHNOLOGIES PTE. LTD.Inventors: Zhizhu Chen, Miao Miao, Fuhu Zhang, Chengliang Wang, Cheng Qian
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Patent number: 9877093Abstract: A linear vibrator includes a stator having a housing including a receiving space therein, a moveable unit, an elastic member suspending the moveable unit in the receiving space, and a protection member located between the stator and the moveable unit. The protection member forms a first bevel along a vibration direction of the moveable unit, one of the stator and the moveable unit includes a second bevel corresponding to the first bevel. The second bevel keeps a distance from the first bevel for rubbing each other when the linear vibrator falls.Type: GrantFiled: August 17, 2015Date of Patent: January 23, 2018Assignee: AAC TECHNOLOGIES PTE. LTD.Inventors: Chengliang Wang, Fuhu Zhang
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Publication number: 20180020303Abstract: A loudspeaker is disclosed. The loudspeaker includes a frame; a vibration system accommodated in the frame and comprising a vibrating diaphragm and a voice coil for driving the vibrating diaphragm fixed with the frame; a magnetic circuit system driving the vibration system; a light source assembled with the voice coil; a photosensitive sensor located in the yoke and within the irradiation scope of the light source. The magnetic circuit system includes a yoke positioned by the frame and a magnet portion supported by the yoke.Type: ApplicationFiled: January 26, 2017Publication date: January 18, 2018Applicant: AAC Technologies Pte. Ltd.Inventors: Shengrong Shi, Fuhu Zhang, Ronglin Linghu
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Publication number: 20180020304Abstract: A loudspeaker is disclosed. The loudspeaker includes a frame; a vibration system accommodated in the frame, a voice coil for driving the voice diaphragm and a support installed at one end of the voice coil away from the voice diaphragm. The vibration system includes a voice diaphragm, and the support is connected to the frame for providing elastic support to the voice coil. The loudspeaker further includes a magnetic circuit system for driving the vibration system. The magnetic circuit system includes a yoke, a first magnet portion, and a second magnet portion. The second magnetic portion includes an auxiliary magnet and an auxiliary pole plate overlapped with the auxiliary magnet. A light source installed on the auxiliary pole plate and opposite to the support, and a photosensitive sensor arranged on the support and being within the irradiation scope of the light source are further provided.Type: ApplicationFiled: January 26, 2017Publication date: January 18, 2018Applicant: AAC Technologies Pte. Ltd.Inventors: Shengrong Shi, Fuhu Zhang, Ronglin Linghu
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Publication number: 20180020274Abstract: A speaker module includes a frame; a miniature speaker fixed in the frame and comprising a membrane; and an inner wall arranged in the frame for forming an accommodation space for accommodating the miniature speaker therein. The inner wall further includes at least one projecting part. The inner wall includes a flat part on which no projecting part is arranged; and the projecting part abuts against an outer edge of the membrane of the miniature speaker.Type: ApplicationFiled: January 11, 2017Publication date: January 18, 2018Applicant: AAC Technologies Pte. Ltd.Inventors: Fuhu Zhang, Shang Gao
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Patent number: 9820034Abstract: A sound device includes a housing with an accommodation space; a speaker unit located in the accommodation space and including a diaphragm for generating sound; a front cavity formed by the diaphragm and the housing; a sound channel communicated with the front cavity; and a sound-absorbing member made of sound-absorbing material located in the sound channel for covering a cross-section of the sound channel. The housing includes a bottom wall and a side wall extending from the bottom wall. The sound channel is configured to penetrate the side wall of the housing.Type: GrantFiled: January 26, 2017Date of Patent: November 14, 2017Assignee: AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTDInventors: Fuhu Zhang, Yue Zeng
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Patent number: 9648405Abstract: A speaker is disclosed. The speaker including a first cover, a second cover forming a receiving space, a first steel strap assembled with the first cover, a second steel strap assembled with the second cover, a sounding element accommodated in the receiving space and located between the first strap and the second strap, and a flexible printed circuit board accommodated in the receiving space. The flexible printed circuit board includes a grounding pin, a positive pin and a negative pin for transmitting audio signal. The positive pin and the negative pin are electrically connected to the sounding element. The ground pin is respectively connected to the first steel strap, the second steel strap and the sounding element. The speaker is not only simple in structure, but also has low cost.Type: GrantFiled: December 30, 2015Date of Patent: May 9, 2017Assignee: AAC TECHNOLOGIES PTE. LTD.Inventors: Chengliang Wang, Fuhu Zhang
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Patent number: 9621981Abstract: A speaker box is provided in the present disclosure. The speaker box includes a housing having a sound outlet, a top plate covering the housing, and a sound generator installed to the housing. A front sound chamber and a sound guide channel are formed between the housing and the top plate. The sound generator is configured for providing audible sound to the front sound chamber. The sound guide channel communicates with the front sound chamber, and is configured for guiding the audible sound to output from the sound outlet. An acoustic absorber is arranged within the sound guide channel.Type: GrantFiled: January 12, 2015Date of Patent: April 11, 2017Assignee: AAC TECHNOLOGIES PTE. LTD.Inventors: Fuhu Zhang, Chengliang Wang, Jiandong Tian
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Publication number: 20160227007Abstract: The present disclosure relates to a speaker including a first cover and a second cover forming a receiving space; a first steel strap assembled with the first cover; a second steel strap assembled with the second cover; a sounding element accommodated in the receiving space and located between the first strap and the second strap; and a flexible printed circuit board accommodated in the receiving space. The flexible printed circuit board includes a grounding pin, a positive pin and a negative pin for transmitting audio signal. The positive pin and the negative pin are electrically connected to the sounding element, and the ground pin is respectively connected to the first steel strap, the second steel strap and sounding element. The speaker as disclosed is not only simple in structure, but also has low cost.Type: ApplicationFiled: December 30, 2015Publication date: August 4, 2016Applicant: AAC Technologies Pte. Ltd.Inventors: Chengliang Wang, Fuhu Zhang
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Publication number: 20160198248Abstract: A linear vibrator includes a stator having a housing including a receiving space therein, a moveable unit, an elastic member suspending the moveable unit in the receiving space, and a protection member located between the stator and the moveable unit. The protection member forms a first bevel along a vibration direction of the moveable unit, one of the stator and the moveable unit includes a second bevel corresponding to the first bevel. The second bevel keeps a distance from the first bevel for rubbing each other when the linear vibrator falls.Type: ApplicationFiled: August 17, 2015Publication date: July 7, 2016Applicant: AAC Technologies Pte. Ltd.Inventors: Chengliang Wang, Fuhu Zhang
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Publication number: 20160127822Abstract: A speaker box is provided in the present disclosure. The speaker box includes a housing having a sound outlet, a top plate covering the housing, and a sound generator installed to the housing. A front sound chamber and a sound guide channel are formed between the housing and the top plate. The sound generator is configured for providing audible sound to the front sound chamber. The sound guide channel communicates with the front sound chamber, and is configured for guiding the audible sound to output from the sound outlet. An acoustic absorber is arranged within the sound guide channel.Type: ApplicationFiled: January 12, 2015Publication date: May 5, 2016Applicant: AAC TECHNOLOGIES PTE. LTD.,Inventors: Fuhu Zhang, Chengliang Wang, Jiandong Tian