EP4283608C0 - Luftpulserzeugungsvorrichtung zur erzeugung asymmetrischer luftpulse - Google Patents

Luftpulserzeugungsvorrichtung zur erzeugung asymmetrischer luftpulse

Info

Publication number
EP4283608C0
EP4283608C0 EP23174735.3A EP23174735A EP4283608C0 EP 4283608 C0 EP4283608 C0 EP 4283608C0 EP 23174735 A EP23174735 A EP 23174735A EP 4283608 C0 EP4283608 C0 EP 4283608C0
Authority
EP
European Patent Office
Prior art keywords
air pulse
generation device
generating asymmetric
pulse generation
generating
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.)
Active
Application number
EP23174735.3A
Other languages
English (en)
French (fr)
Other versions
EP4283608A1 (de
EP4283608B1 (de
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 EP4283608A1 publication Critical patent/EP4283608A1/de
Application granted granted Critical
Publication of EP4283608C0 publication Critical patent/EP4283608C0/de
Publication of EP4283608B1 publication Critical patent/EP4283608B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • 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)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Invalid Beds And Related Equipment (AREA)
EP23174735.3A 2022-05-28 2023-05-23 Luftpulserzeugungsvorrichtung zur erzeugung asymmetrischer luftpulse Active EP4283608B1 (de)

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
US202363447758P 2023-02-23 2023-02-23
US202363447835P 2023-02-23 2023-02-23
US202363459170P 2023-04-13 2023-04-13

Publications (3)

Publication Number Publication Date
EP4283608A1 EP4283608A1 (de) 2023-11-29
EP4283608C0 true EP4283608C0 (de) 2025-11-05
EP4283608B1 EP4283608B1 (de) 2025-11-05

Family

ID=86497403

Family Applications (4)

Application Number Title Priority Date Filing Date
EP23174714.8A Active EP4283607B1 (de) 2022-05-28 2023-05-23 Luftpulserzeugungsvorrichtung mit gleichtakt- und differenzmodusbewegung
EP23174735.3A Active EP4283608B1 (de) 2022-05-28 2023-05-23 Luftpulserzeugungsvorrichtung zur erzeugung asymmetrischer luftpulse
EP23174765.0A Active EP4283610B1 (de) 2022-05-28 2023-05-23 Vorrichtung zur erzeugung von luftimpulsen mit effizienter ausbreitung
EP23174750.2A Active EP4283609B1 (de) 2022-05-28 2023-05-23 Luftpulserzeugungsvorrichtung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP23174714.8A Active EP4283607B1 (de) 2022-05-28 2023-05-23 Luftpulserzeugungsvorrichtung mit gleichtakt- und differenzmodusbewegung

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP23174765.0A Active EP4283610B1 (de) 2022-05-28 2023-05-23 Vorrichtung zur erzeugung von luftimpulsen mit effizienter ausbreitung
EP23174750.2A Active EP4283609B1 (de) 2022-05-28 2023-05-23 Luftpulserzeugungsvorrichtung

Country Status (4)

Country Link
EP (4) EP4283607B1 (de)
JP (1) JP7647003B2 (de)
KR (1) KR102798531B1 (de)
TW (1) TWI869858B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12356141B2 (en) 2021-01-14 2025-07-08 xMEMS Labs, Inc. Air-pulse generating device, wearable sound device, bladeless fan, and airflow producing method
US12261567B2 (en) 2021-01-14 2025-03-25 xMEMS Labs, Inc. Demodulation signal generator for air pulse generator
US12262177B2 (en) 2021-01-14 2025-03-25 xMEMS Labs, Inc. Air-pulse generating device producing asymmetric air pulses
US12075213B2 (en) 2021-01-14 2024-08-27 xMEMS Labs, Inc. Air-pulse generating device
US12309548B2 (en) 2021-01-14 2025-05-20 xMEMS Labs, Inc. Air-pulse generating device with efficient propagation
EP4398240A1 (de) * 2023-01-06 2024-07-10 xMEMS Labs, Inc. Demodulationssignalgenerator für luftimpulsgenerator
US20250223151A1 (en) * 2024-01-08 2025-07-10 xMEMS Labs, Inc. Semiconductor device and airflow generating package
US12453038B2 (en) * 2024-01-08 2025-10-21 xMEMS Labs, Inc. Electronic device and airflow generating package

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3732007B2 (ja) * 1998-04-30 2006-01-05 ティーオーエー株式会社 ホーンスピーカ
US8231795B2 (en) * 2009-05-01 2012-07-31 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Micromachined horn
KR101568825B1 (ko) * 2011-08-16 2015-11-12 엠파이어 테크놀로지 디벨롭먼트 엘엘씨 오디오 신호를 생성하기 위한 기법
US9070354B2 (en) * 2012-08-29 2015-06-30 Ho Ping Tseng Acoustic wave generator employing fluid injector
US9769554B2 (en) * 2015-03-05 2017-09-19 Stmicroelectronics (Malta) Ltd Semiconductor integrated device for acoustic applications with contamination protection element, and manufacturing method thereof
US9766320B2 (en) * 2015-06-03 2017-09-19 Carnegie Mellon University Method and apparatus for locating a mobile device within an indoor environment
US9736595B2 (en) * 2015-06-23 2017-08-15 Dsp Group Ltd. Two port speaker acoustic modulator
US10367430B2 (en) * 2016-01-11 2019-07-30 Infineon Technologies Ag System and method for a variable flow transducer
DE102016201872A1 (de) * 2016-02-08 2017-08-10 Robert Bosch Gmbh MEMS-Lautsprechervorrichtung sowie entsprechendes Herstellungsverfahren
WO2018026657A1 (en) * 2016-08-02 2018-02-08 Knowles Electronics, Llc Mems ultrasonic transducer
DE102017208911A1 (de) * 2017-05-26 2018-11-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Mikromechanischer Schallwandler
US10327060B2 (en) * 2017-11-05 2019-06-18 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
WO2020230484A1 (ja) * 2019-05-16 2020-11-19 株式会社村田製作所 圧電デバイスおよび超音波トランスデューサ
US11172310B2 (en) 2019-07-07 2021-11-09 xMEMS Labs, Inc. Sound producing device
US11043197B1 (en) 2020-01-31 2021-06-22 xMEMS Labs, Inc. Air pulse generating element and sound producing device with virtual valve
US11445303B2 (en) * 2020-10-16 2022-09-13 Harman International Industries, Incorporated Omnidirectional loudspeaker and compression driver therefor
US11445279B2 (en) * 2021-01-14 2022-09-13 xMEMS Labs, Inc. Air-pulse generating device and sound producing method thereof

Also Published As

Publication number Publication date
KR20230165895A (ko) 2023-12-05
EP4283609B1 (de) 2025-12-10
EP4283607C0 (de) 2025-10-01
EP4283608A1 (de) 2023-11-29
EP4283610C0 (de) 2025-08-27
KR102798531B1 (ko) 2025-04-18
JP7647003B2 (ja) 2025-03-18
EP4283610B1 (de) 2025-08-27
EP4283607A1 (de) 2023-11-29
TW202348044A (zh) 2023-12-01
EP4283607B1 (de) 2025-10-01
JP2023174647A (ja) 2023-12-08
TWI869858B (zh) 2025-01-11
EP4283610A1 (de) 2023-11-29
EP4283609A1 (de) 2023-11-29
EP4283608B1 (de) 2025-11-05

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