EP4283607A1 - Dispositif de génération d'impulsions d'air à mode commun et mouvement de mode différentiel - Google Patents

Dispositif de génération d'impulsions d'air à mode commun et mouvement de mode différentiel Download PDF

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Publication number
EP4283607A1
EP4283607A1 EP23174714.8A EP23174714A EP4283607A1 EP 4283607 A1 EP4283607 A1 EP 4283607A1 EP 23174714 A EP23174714 A EP 23174714A EP 4283607 A1 EP4283607 A1 EP 4283607A1
Authority
EP
European Patent Office
Prior art keywords
air
flap
generating device
pulse generating
ultrasonic
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
EP23174714.8A
Other languages
German (de)
English (en)
Inventor
Jemm Yue Liang
Jye Ren
Eldwin Jiaqiang NG
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.)
Xmems Labs Inc
Original Assignee
Xmems Labs Inc
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 Xmems Labs Inc filed Critical Xmems Labs Inc
Publication of EP4283607A1 publication Critical patent/EP4283607A1/fr
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K15/00—Acoustics not otherwise provided for
    • G10K15/04—Sound-producing devices
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • G10K11/025—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators horns for impedance matching
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/122—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
    • H04R19/02—Loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/003—Mems transducers or their use
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2217/00—Details of magnetostrictive, piezoelectric, or electrostrictive transducers covered by H04R15/00 or H04R17/00 but not provided for in any of their subgroups
    • H04R2217/03—Parametric transducers where sound is generated or captured by the acoustic demodulation of amplitude modulated ultrasonic waves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2231/00—Details of apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor covered by H04R31/00, not provided for in its subgroups
    • H04R2231/001—Moulding aspects of diaphragm or surround

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Manufacturing & Machinery (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)
EP23174714.8A 2022-05-28 2023-05-23 Dispositif de génération d'impulsions d'air à mode commun et mouvement de mode différentiel Pending EP4283607A1 (fr)

Applications Claiming Priority (13)

Application Number Priority Date Filing Date Title
US202263346848P 2022-05-28 2022-05-28
US202263347013P 2022-05-30 2022-05-30
US202263353588P 2022-06-18 2022-06-18
US202263353610P 2022-06-19 2022-06-19
US202263354433P 2022-06-22 2022-06-22
US202263428085P 2022-11-27 2022-11-27
US202263433740P 2022-12-19 2022-12-19
US202263434474P 2022-12-22 2022-12-22
US202263435275P 2022-12-25 2022-12-25
US202263436103P 2022-12-29 2022-12-29
US202363447835P 2023-02-23 2023-02-23
US202363447758P 2023-02-23 2023-02-23
US202363459170P 2023-04-13 2023-04-13

Publications (1)

Publication Number Publication Date
EP4283607A1 true EP4283607A1 (fr) 2023-11-29

Family

ID=86497403

Family Applications (4)

Application Number Title Priority Date Filing Date
EP23174750.2A Pending EP4283609A1 (fr) 2022-05-28 2023-05-23 Dispositif de génération d'impulsions d'air
EP23174765.0A Pending EP4283610A1 (fr) 2022-05-28 2023-05-23 Dispositif de génération d'impulsions d'air à propagation efficace
EP23174735.3A Pending EP4283608A1 (fr) 2022-05-28 2023-05-23 Dispositif de génération d'impulsions d'air produisant des impulsions d'air asymétriques
EP23174714.8A Pending EP4283607A1 (fr) 2022-05-28 2023-05-23 Dispositif de génération d'impulsions d'air à mode commun et mouvement de mode différentiel

Family Applications Before (3)

Application Number Title Priority Date Filing Date
EP23174750.2A Pending EP4283609A1 (fr) 2022-05-28 2023-05-23 Dispositif de génération d'impulsions d'air
EP23174765.0A Pending EP4283610A1 (fr) 2022-05-28 2023-05-23 Dispositif de génération d'impulsions d'air à propagation efficace
EP23174735.3A Pending EP4283608A1 (fr) 2022-05-28 2023-05-23 Dispositif de génération d'impulsions d'air produisant des impulsions d'air asymétriques

Country Status (4)

Country Link
EP (4) EP4283609A1 (fr)
JP (1) JP2023174647A (fr)
KR (1) KR20230165895A (fr)
TW (1) TW202348044A (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130044904A1 (en) * 2011-08-16 2013-02-21 Empire Technology Development Llc Techniques for generating audio signals
US20160381464A1 (en) * 2015-06-23 2016-12-29 Dsp Group Ltd. Two port speaker acoustic modulator
US20170201192A1 (en) * 2016-01-11 2017-07-13 Infineon Technologies Ag System and Method for a Variable Flow Transducer
US20170230756A1 (en) * 2016-02-08 2017-08-10 Robert Bosch Gmbh Mems loudspeaker device and corresponding manufacturing method
US20190141435A1 (en) * 2017-11-05 2019-05-09 xMEMS Labs, Inc. Air Pulse Generating Element and Sound Producing Device
US10425732B1 (en) 2018-04-05 2019-09-24 xMEMS Labs, Inc. Sound producing device
US20200100033A1 (en) * 2017-05-26 2020-03-26 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Micromechanical sound transducer
US11057692B1 (en) 2020-01-31 2021-07-06 xMEMS Labs, Inc. Driving circuit for sound producing device
US11172310B2 (en) 2019-07-07 2021-11-09 xMEMS Labs, Inc. Sound producing device
EP4030782A1 (fr) * 2021-01-14 2022-07-20 xMEMS Labs, Inc. Dispositif de génération d'impulsions d'air et procédé de production de son associé

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8231795B2 (en) * 2009-05-01 2012-07-31 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Micromachined horn
US9766320B2 (en) * 2015-06-03 2017-09-19 Carnegie Mellon University Method and apparatus for locating a mobile device within an indoor environment
WO2018026657A1 (fr) * 2016-08-02 2018-02-08 Knowles Electronics, Llc Transducteur à ultrasons à système microélectromécanique

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130044904A1 (en) * 2011-08-16 2013-02-21 Empire Technology Development Llc Techniques for generating audio signals
US8861752B2 (en) 2011-08-16 2014-10-14 Empire Technology Development Llc Techniques for generating audio signals
US20160381464A1 (en) * 2015-06-23 2016-12-29 Dsp Group Ltd. Two port speaker acoustic modulator
US20170201192A1 (en) * 2016-01-11 2017-07-13 Infineon Technologies Ag System and Method for a Variable Flow Transducer
US20170230756A1 (en) * 2016-02-08 2017-08-10 Robert Bosch Gmbh Mems loudspeaker device and corresponding manufacturing method
US20200100033A1 (en) * 2017-05-26 2020-03-26 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Micromechanical sound transducer
US20190141435A1 (en) * 2017-11-05 2019-05-09 xMEMS Labs, Inc. Air Pulse Generating Element and Sound Producing Device
US10425732B1 (en) 2018-04-05 2019-09-24 xMEMS Labs, Inc. Sound producing device
US11172310B2 (en) 2019-07-07 2021-11-09 xMEMS Labs, Inc. Sound producing device
US11057692B1 (en) 2020-01-31 2021-07-06 xMEMS Labs, Inc. Driving circuit for sound producing device
EP4030782A1 (fr) * 2021-01-14 2022-07-20 xMEMS Labs, Inc. Dispositif de génération d'impulsions d'air et procédé de production de son associé

Also Published As

Publication number Publication date
EP4283609A1 (fr) 2023-11-29
EP4283610A1 (fr) 2023-11-29
JP2023174647A (ja) 2023-12-08
TW202348044A (zh) 2023-12-01
KR20230165895A (ko) 2023-12-05
EP4283608A1 (fr) 2023-11-29

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