JPWO2023079789A1 - - Google Patents

Info

Publication number
JPWO2023079789A1
JPWO2023079789A1 JP2023557621A JP2023557621A JPWO2023079789A1 JP WO2023079789 A1 JPWO2023079789 A1 JP WO2023079789A1 JP 2023557621 A JP2023557621 A JP 2023557621A JP 2023557621 A JP2023557621 A JP 2023557621A JP WO2023079789 A1 JPWO2023079789 A1 JP WO2023079789A1
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.)
Pending
Application number
JP2023557621A
Other languages
Japanese (ja)
Other versions
JPWO2023079789A5 (en
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 JPWO2023079789A1 publication Critical patent/JPWO2023079789A1/ja
Publication of JPWO2023079789A5 publication Critical patent/JPWO2023079789A5/ja
Pending legal-status Critical Current

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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • 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
JP2023557621A 2021-11-08 2022-06-30 Pending JPWO2023079789A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021181579 2021-11-08
PCT/JP2022/026330 WO2023079789A1 (en) 2021-11-08 2022-06-30 Ultrasonic transducer

Publications (2)

Publication Number Publication Date
JPWO2023079789A1 true JPWO2023079789A1 (en) 2023-05-11
JPWO2023079789A5 JPWO2023079789A5 (en) 2024-01-19

Family

ID=86241034

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023557621A Pending JPWO2023079789A1 (en) 2021-11-08 2022-06-30

Country Status (3)

Country Link
JP (1) JPWO2023079789A1 (en)
CN (1) CN117941377A (en)
WO (1) WO2023079789A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6129597U (en) * 1984-07-24 1986-02-22 日本セラミック株式会社 Structure of ultrasonic transmitter/receiver
JP3986987B2 (en) * 2003-03-25 2007-10-03 株式会社日本自動車部品総合研究所 Ultrasonic sensor and attached parts
JP5414427B2 (en) * 2009-09-02 2014-02-12 日本セラミック株式会社 Ultrasonic transceiver
KR101422819B1 (en) * 2009-12-25 2014-07-23 가부시키가이샤 무라타 세이사쿠쇼 Ultrasonic vibration device

Also Published As

Publication number Publication date
CN117941377A (en) 2024-04-26
WO2023079789A1 (en) 2023-05-11

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Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20231005

A621 Written request for application examination

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Effective date: 20231005