JPWO2022149486A1 - - Google Patents

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Publication number
JPWO2022149486A1
JPWO2022149486A1 JP2022574003A JP2022574003A JPWO2022149486A1 JP WO2022149486 A1 JPWO2022149486 A1 JP WO2022149486A1 JP 2022574003 A JP2022574003 A JP 2022574003A JP 2022574003 A JP2022574003 A JP 2022574003A JP WO2022149486 A1 JPWO2022149486 A1 JP WO2022149486A1
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
JP2022574003A
Other versions
JP7527680B2 (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 JPWO2022149486A1 publication Critical patent/JPWO2022149486A1/ja
Application granted granted Critical
Publication of JP7527680B2 publication Critical patent/JP7527680B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0292—Electrostatic transducers, e.g. electret-type
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52019—Details of transmitters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52079—Constructional features
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mechanical Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Micromachines (AREA)
JP2022574003A 2021-01-06 2021-12-23 超音波デバイス、インピーダンス整合層及び静電駆動デバイス Active JP7527680B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021000922 2021-01-06
JP2021000922 2021-01-06
PCT/JP2021/048057 WO2022149486A1 (ja) 2021-01-06 2021-12-23 超音波デバイス、インピーダンス整合層及び静電駆動デバイス

Publications (2)

Publication Number Publication Date
JPWO2022149486A1 true JPWO2022149486A1 (ja) 2022-07-14
JP7527680B2 JP7527680B2 (ja) 2024-08-05

Family

ID=82357301

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022574003A Active JP7527680B2 (ja) 2021-01-06 2021-12-23 超音波デバイス、インピーダンス整合層及び静電駆動デバイス

Country Status (4)

Country Link
US (1) US20240085544A1 (ja)
JP (1) JP7527680B2 (ja)
CN (1) CN116711327A (ja)
WO (1) WO2022149486A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024137007A (ja) * 2023-03-24 2024-10-04 国立大学法人 東京大学 超音波デバイス、制御装置、プログラム及びシステム

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5473618A (en) * 1977-11-24 1979-06-13 Sony Corp Gas-filled condenser type speaker
JP2577209Y2 (ja) * 1991-09-09 1998-07-23 ホシデン株式会社 エレクトレットコンデンサマイクロホンユニット
JP5475070B2 (ja) * 2012-08-02 2014-04-16 フォスター電機株式会社 接触型マイクロフォン

Also Published As

Publication number Publication date
WO2022149486A1 (ja) 2022-07-14
US20240085544A1 (en) 2024-03-14
JP7527680B2 (ja) 2024-08-05
CN116711327A (zh) 2023-09-05

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