IT202200007043A1 - Trasduttore elettroacustico microelettromeccanico a membrana - Google Patents

Trasduttore elettroacustico microelettromeccanico a membrana Download PDF

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Publication number
IT202200007043A1
IT202200007043A1 IT102022000007043A IT202200007043A IT202200007043A1 IT 202200007043 A1 IT202200007043 A1 IT 202200007043A1 IT 102022000007043 A IT102022000007043 A IT 102022000007043A IT 202200007043 A IT202200007043 A IT 202200007043A IT 202200007043 A1 IT202200007043 A1 IT 202200007043A1
Authority
IT
Italy
Prior art keywords
electromechanical
electro
acoustic transducer
diaphragm micro
diaphragm
Prior art date
Application number
IT102022000007043A
Other languages
English (en)
Inventor
Fabrizio Cerini
Silvia Adorno
Original Assignee
St Microelectronics Srl
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 St Microelectronics Srl filed Critical St Microelectronics Srl
Priority to IT102022000007043A priority Critical patent/IT202200007043A1/it
Priority to EP24169393.6A priority patent/EP4376442A2/en
Priority to EP23164594.6A priority patent/EP4258691A1/en
Priority to US18/295,673 priority patent/US20230328456A1/en
Priority to CN202310367376.5A priority patent/CN116896699A/zh
Priority to CN202320756243.2U priority patent/CN220830536U/zh
Publication of IT202200007043A1 publication Critical patent/IT202200007043A1/it

Links

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
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
IT102022000007043A 2022-04-08 2022-04-08 Trasduttore elettroacustico microelettromeccanico a membrana IT202200007043A1 (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT102022000007043A IT202200007043A1 (it) 2022-04-08 2022-04-08 Trasduttore elettroacustico microelettromeccanico a membrana
EP24169393.6A EP4376442A2 (en) 2022-04-08 2023-03-28 Membrane microelectromechanical electroacustic transducer
EP23164594.6A EP4258691A1 (en) 2022-04-08 2023-03-28 Membrane microelectromechanical electroacustic transducer
US18/295,673 US20230328456A1 (en) 2022-04-08 2023-04-04 Membrane microelectromechanical electroacoustic transducer
CN202310367376.5A CN116896699A (zh) 2022-04-08 2023-04-07 膜微机电电声换能器
CN202320756243.2U CN220830536U (zh) 2022-04-08 2023-04-07 电子器件以及电子系统

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102022000007043A IT202200007043A1 (it) 2022-04-08 2022-04-08 Trasduttore elettroacustico microelettromeccanico a membrana

Publications (1)

Publication Number Publication Date
IT202200007043A1 true IT202200007043A1 (it) 2023-10-08

Family

ID=82100361

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102022000007043A IT202200007043A1 (it) 2022-04-08 2022-04-08 Trasduttore elettroacustico microelettromeccanico a membrana

Country Status (1)

Country Link
IT (1) IT202200007043A1 (it)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200100033A1 (en) * 2017-05-26 2020-03-26 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Micromechanical sound transducer
CN111147998A (zh) * 2020-04-08 2020-05-12 共达电声股份有限公司 Mems微型扬声器、mems微型扬声器的制备方法及电子设备
EP3843426A1 (en) * 2019-12-27 2021-06-30 xMEMS Labs, Inc. Sound producing device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200100033A1 (en) * 2017-05-26 2020-03-26 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Micromechanical sound transducer
EP3843426A1 (en) * 2019-12-27 2021-06-30 xMEMS Labs, Inc. Sound producing device
CN111147998A (zh) * 2020-04-08 2020-05-12 共达电声股份有限公司 Mems微型扬声器、mems微型扬声器的制备方法及电子设备

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