EP4068804A4 - Loudspeaker, loudspeaker module, and electronic device - Google Patents

Loudspeaker, loudspeaker module, and electronic device Download PDF

Info

Publication number
EP4068804A4
EP4068804A4 EP21738865.1A EP21738865A EP4068804A4 EP 4068804 A4 EP4068804 A4 EP 4068804A4 EP 21738865 A EP21738865 A EP 21738865A EP 4068804 A4 EP4068804 A4 EP 4068804A4
Authority
EP
European Patent Office
Prior art keywords
loudspeaker
electronic device
module
loudspeaker module
electronic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21738865.1A
Other languages
German (de)
French (fr)
Other versions
EP4068804A1 (en
Inventor
Ligang Yu
Tong Zhu
Yingming Li
Jie Su
Jing Chang
Guimin WU
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of EP4068804A1 publication Critical patent/EP4068804A1/en
Publication of EP4068804A4 publication Critical patent/EP4068804A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/227—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  using transducers reproducing the same frequency band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2838—Enclosures comprising vibrating or resonating arrangements of the bandpass type
    • H04R1/2842—Enclosures comprising vibrating or resonating arrangements of the bandpass type for loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2892—Mountings or supports for transducers
    • H04R1/2896—Mountings or supports for transducers for loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
    • H04R2209/026—Transducers having separately controllable opposing diaphragms, e.g. for ring-tone and voice
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00—Loudspeakers
    • H04R2400/11—Aspects regarding the frame of loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Multimedia (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
EP21738865.1A 2020-01-08 2021-01-05 Loudspeaker, loudspeaker module, and electronic device Pending EP4068804A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010019342.3A CN113099367A (en) 2020-01-08 2020-01-08 Loudspeaker, loudspeaker module and electronic equipment
PCT/CN2021/070212 WO2021139632A1 (en) 2020-01-08 2021-01-05 Loudspeaker, loudspeaker module, and electronic device

Publications (2)

Publication Number Publication Date
EP4068804A1 EP4068804A1 (en) 2022-10-05
EP4068804A4 true EP4068804A4 (en) 2023-09-13

Family

ID=76663454

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21738865.1A Pending EP4068804A4 (en) 2020-01-08 2021-01-05 Loudspeaker, loudspeaker module, and electronic device

Country Status (3)

Country Link
EP (1) EP4068804A4 (en)
CN (1) CN113099367A (en)
WO (1) WO2021139632A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102879681B1 (en) 2020-05-14 2025-10-30 후아웨이 테크놀러지 컴퍼니 리미티드 Active noise cancellation method and device
CN113840023B (en) * 2021-09-13 2024-04-02 维沃移动通信有限公司 Electronic device, control method and control device
CN113810800B (en) * 2021-09-16 2024-01-09 维沃移动通信有限公司 Speaker module and sound adjustment method, device and electronic equipment thereof
CN116170726A (en) * 2021-11-25 2023-05-26 北京荣耀终端有限公司 Kernel, loudspeaker module and earphone
CN116193331A (en) * 2021-11-29 2023-05-30 北京小米移动软件有限公司 Sound Modules and Electronics
CN114513729B (en) * 2022-01-07 2023-07-07 华为技术有限公司 Electronic device and acoustic transducer
CN115334406B (en) * 2022-05-10 2025-06-27 歌尔科技有限公司 Speakers
CN114945128A (en) * 2022-06-30 2022-08-26 维沃移动通信有限公司 Electronic device
CN117998008A (en) * 2022-10-28 2024-05-07 荣耀终端有限公司 Method for adjusting call sound, electronic device and storage medium
CN116887140A (en) * 2023-08-03 2023-10-13 安徽华韵声学科技有限公司 A dynamic coil and piezoelectric ceramic speaker module
CN117041398B (en) * 2023-08-17 2024-11-19 荣耀终端有限公司 An electronic device
DE102024207850A1 (en) 2024-08-19 2026-02-19 Robert Bosch Gesellschaft mit beschränkter Haftung Fluid pumping device with a first diaphragm and a second diaphragm

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140044300A1 (en) * 2012-08-08 2014-02-13 Kabushiki Kaisha Toshiba Electronic apparatus, sound quality improvement method, and sound quality improvement member
US20170026758A1 (en) * 2015-05-08 2017-01-26 Transound Electronics Co., Ltd. High sound quality piezoelectric speaker
US20180249255A1 (en) * 2017-02-27 2018-08-30 Taiyo Yuden Co., Ltd. Electroacoustic transducer
CN208940223U (en) * 2018-11-15 2019-06-04 歌尔科技有限公司 Sounding device and mobile terminal

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5193119A (en) * 1985-09-02 1993-03-09 Franco Tontini Multiple loudspeaker
TWM499720U (en) * 2014-10-31 2015-04-21 Jetvox Acoustic Corp Piezoelectric ceramic dual-band earphone structure
CN104869515A (en) * 2015-06-08 2015-08-26 西安康弘新材料科技有限公司 High-fidelity sound box in coordination of moving coil loudspeaker and piezoelectric loudspeaker
CN204697287U (en) * 2015-06-09 2015-10-07 歌尔声学股份有限公司 piezoelectric speaker
CN107371077A (en) * 2016-05-13 2017-11-21 宇音国际有限公司 Earphone of moving coil piezoelectric dual-audio speaker
CN206181371U (en) * 2016-10-31 2017-05-17 常州阿木奇声学科技有限公司 Coil -driven loudspeaker with pottery piezoelectric unit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140044300A1 (en) * 2012-08-08 2014-02-13 Kabushiki Kaisha Toshiba Electronic apparatus, sound quality improvement method, and sound quality improvement member
US20170026758A1 (en) * 2015-05-08 2017-01-26 Transound Electronics Co., Ltd. High sound quality piezoelectric speaker
US20180249255A1 (en) * 2017-02-27 2018-08-30 Taiyo Yuden Co., Ltd. Electroacoustic transducer
CN208940223U (en) * 2018-11-15 2019-06-04 歌尔科技有限公司 Sounding device and mobile terminal

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021139632A1 *

Also Published As

Publication number Publication date
WO2021139632A1 (en) 2021-07-15
CN113099367A (en) 2021-07-09
EP4068804A1 (en) 2022-10-05

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