JPWO2022149486A1 - - Google Patents
Info
- 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
Links
Classifications
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- 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
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- 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
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- 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)
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)
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)
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 |
-
2021
- 2021-12-23 CN CN202180088959.3A patent/CN116711327A/zh active Pending
- 2021-12-23 US US18/270,342 patent/US20240085544A1/en active Pending
- 2021-12-23 JP JP2022574003A patent/JP7527680B2/ja active Active
- 2021-12-23 WO PCT/JP2021/048057 patent/WO2022149486A1/ja active Application Filing
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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