JPWO2021157119A1 - - Google Patents

Info

Publication number
JPWO2021157119A1
JPWO2021157119A1 JP2021575601A JP2021575601A JPWO2021157119A1 JP WO2021157119 A1 JPWO2021157119 A1 JP WO2021157119A1 JP 2021575601 A JP2021575601 A JP 2021575601A JP 2021575601 A JP2021575601 A JP 2021575601A JP WO2021157119 A1 JPWO2021157119 A1 JP WO2021157119A1
Authority
JP
Japan
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.)
Granted
Application number
JP2021575601A
Other versions
JPWO2021157119A5 (ja
JP7398059B2 (ja
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 filed Critical
Publication of JPWO2021157119A1 publication Critical patent/JPWO2021157119A1/ja
Publication of JPWO2021157119A5 publication Critical patent/JPWO2021157119A5/ja
Application granted granted Critical
Publication of JP7398059B2 publication Critical patent/JP7398059B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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
    • G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
    • G10K9/22—Mountings; Casings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/80—Constructional details
    • H10N30/87—Electrodes or interconnections, e.g. leads or terminals
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/80—Constructional details
    • H10N30/88—Mounts; Supports; Enclosures; Casings
    • H10N30/883—Additional insulation means preventing electrical, physical or chemical damage, e.g. protective coatings
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
    • H10N30/204—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using bending displacement, e.g. unimorph, bimorph or multimorph cantilever or membrane benders
    • H10N30/2047—Membrane type

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
JP2021575601A 2020-02-03 2020-09-18 圧電発音部品 Active JP7398059B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020016235 2020-02-03
JP2020016235 2020-02-03
PCT/JP2020/035548 WO2021157119A1 (ja) 2020-02-03 2020-09-18 圧電発音部品

Publications (3)

Publication Number Publication Date
JPWO2021157119A1 true JPWO2021157119A1 (ja) 2021-08-12
JPWO2021157119A5 JPWO2021157119A5 (ja) 2022-05-02
JP7398059B2 JP7398059B2 (ja) 2023-12-14

Family

ID=77199844

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021575601A Active JP7398059B2 (ja) 2020-02-03 2020-09-18 圧電発音部品

Country Status (4)

Country Link
US (1) US20220230612A1 (ja)
JP (1) JP7398059B2 (ja)
CN (1) CN114450976B (ja)
WO (1) WO2021157119A1 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07114383A (ja) * 1993-10-15 1995-05-02 Murata Mfg Co Ltd 圧電ブザー
JP2019040138A (ja) * 2017-08-28 2019-03-14 Tdk株式会社 圧電発音体

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60242711A (ja) * 1984-05-17 1985-12-02 Matsushima Kogyo Co Ltd 圧電振動子の支持構造
JP4037413B2 (ja) * 2005-01-13 2008-01-23 Ｔｄｋ株式会社 圧電サウンダ
CN108141675B (zh) * 2016-09-28 2020-05-12 株式会社村田制作所 压电发声部件

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07114383A (ja) * 1993-10-15 1995-05-02 Murata Mfg Co Ltd 圧電ブザー
JP2019040138A (ja) * 2017-08-28 2019-03-14 Tdk株式会社 圧電発音体

Also Published As

Publication number Publication date
CN114450976A (zh) 2022-05-06
US20220230612A1 (en) 2022-07-21
CN114450976B (zh) 2024-08-23
WO2021157119A1 (ja) 2021-08-12
JP7398059B2 (ja) 2023-12-14

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