KR20080054421A - 초음파 트랜스듀서 - Google Patents
초음파 트랜스듀서 Download PDFInfo
- Publication number
- KR20080054421A KR20080054421A KR20087010147A KR20087010147A KR20080054421A KR 20080054421 A KR20080054421 A KR 20080054421A KR 20087010147 A KR20087010147 A KR 20087010147A KR 20087010147 A KR20087010147 A KR 20087010147A KR 20080054421 A KR20080054421 A KR 20080054421A
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- KR
- South Korea
- Prior art keywords
- cap body
- inner frame
- frame body
- ultrasonic transducer
- cap
- Prior art date
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Images
Classifications
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- 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
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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
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
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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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
- G01S15/931—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
-
- 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
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- 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
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- 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
- H04R17/02—Microphones
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/9327—Sensor installation details
- G01S2013/93275—Sensor installation details in the bumper area
-
- 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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
- G01S15/931—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2015/937—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles sensor installation details
- G01S2015/938—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles sensor installation details in the bumper area
-
- 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
- G01S7/521—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
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/13—Acoustic transducers and sound field adaptation in vehicles
Abstract
Description
Claims (9)
- 밑바닥이 있는 통형상 캡체,상기 캡체 내부의 바닥면에 형성되는 압전소자,상기 캡체의 재료보다 음향 임피던스가 큰 재료로 형성되고, 상기 캡체 내에 있어서 상기 캡체의 끝부를 포함하는 측면에 밀착되도록 형성되는 내부 프레임체, 및상기 캡체 측면의 적어도 일부에 직접 접촉하도록 하여 상기 내부 프레임체 내에 충전되는 제진재(制振材)를 포함하는 것을 특징으로 하는 초음파 트랜스듀서.
- 제1항에 있어서, 상기 내부 프레임체에 관통구멍을 형성함으로써, 상기 관통구멍을 통과하여 상기 제진재가 상기 캡체 내의 측면의 일부에 직접 접촉하도록 한 것을 특징으로 하는 초음파 트랜스듀서.
- 제1항에 있어서, 상기 캡체의 끝부에 있어서, 상기 캡체와 상기 내부 프레임체 사이의 일부에 틈이 형성되어, 상기 내부 프레임체 내에 상기 제진재가 충전됨과 동시에 상기 틈에 상기 제진재가 충전된 것을 특징으로 하는 초음파 트랜스듀서.
- 밑바닥이 있는 통형상 캡체,상기 캡체 내부의 바닥면에 형성되는 압전소자,상기 캡체의 재료보다 음향 임피던스가 큰 재료로 형성되고, 상기 캡체 내에 있어서 상기 캡체의 끝부를 포함하는 측면에 밀착되도록 형성되는 내부 프레임체, 및상기 캡체의 끝부에 있어서, 상기 캡체와 상기 내부 프레임체 사이의 일부에 틈이 형성되어, 상기 캡체의 내측면에 접촉하도록 상기 틈에 충전되는 제진재를 포함하는 것을 특징으로 하는 초음파 트랜스듀서.
- 제2항 내지 제4항 중 어느 한 항에 있어서, 상기 캡체의 바닥면에는, 그 중앙부를 포함하면서, 한 방향에 긴 축을 가지도록 하여 상기 내부 프레임체의 한 끝 측과 접촉하지 않는 부분이 형성되고,상기 내부 프레임체의 측면이며 상기 캡체의 바닥면에 있어서의 상기 내부 프레임체의 한 끝 측과 접촉하지 않는 부분의 긴 축 방향 및 상기 긴 축 방향과 직교하는 방향에 상기 관통구멍 또는 상기 틈이 형성되는 것을 특징으로 하는 초음파 트랜스듀서.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 캡체의 바닥면으로부터 측면에 걸쳐서 곡면부가 형성됨과 동시에, 상기 곡면부를 덮도록 하여 상기 캡체의 외측면을 덮는 외장재가 마련된 것을 특징으로 하는 초음파 트랜스듀서.
- 제1항에 있어서, 상기 제진재는 상기 내부 프레임체의 내부로부터 외부에 걸쳐서 배치되며, 상기 캡체의 외측면에 상기 제진재가 직접 접촉하도록 한 것을 특징으로 하는 초음파 트랜스듀서.
- 제7항에 있어서, 상기 캡체의 바닥면으로부터 측면에 걸쳐서 곡면부가 형성됨과 동시에, 상기 캡체의 외측면에 있어서의 상기 제진재가 상기 곡면부를 덮도록 형성된 것을 특징으로 하는 초음파 트랜스듀서.
- 제1항 내지 제8항 중 어느 한 항에 있어서, 상기 캡체의 끝부에 있어서 상기 내부 프레임체의 외측면에 상기 캡체의 두께에 상당하는 단차부를 형성하고, 상기 캡체 내에 있어서의 상기 내부 프레임체의 바깥 지름보다 상기 캡체 외에 있어서의 상기 내부 프레임체의 바깥 지름을 크게 함으로써, 상기 캡체와 상기 내부 프레임체 사이에 단차를 없앤 것을 특징으로 하는 초음파 트랜스듀서.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2005360887 | 2005-12-14 | ||
JPJP-P-2005-00360887 | 2005-12-14 |
Publications (2)
Publication Number | Publication Date |
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KR20080054421A true KR20080054421A (ko) | 2008-06-17 |
KR100975517B1 KR100975517B1 (ko) | 2010-08-11 |
Family
ID=38162917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR20087010147A KR100975517B1 (ko) | 2005-12-14 | 2006-12-12 | 초음파 트랜스듀서 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7548014B2 (ko) |
EP (1) | EP1962552B1 (ko) |
JP (1) | JP4086091B2 (ko) |
KR (1) | KR100975517B1 (ko) |
CN (1) | CN101297591B (ko) |
WO (1) | WO2007069609A1 (ko) |
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KR20160008360A (ko) * | 2014-07-14 | 2016-01-22 | 삼성메디슨 주식회사 | 초음파 흡음 부재, 이를 포함하는 초음파 프로브 및 그 제조 방법 |
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JP4193006B2 (ja) * | 2005-09-09 | 2008-12-10 | 株式会社村田製作所 | 超音波センサ |
EP1986465B1 (en) * | 2006-02-14 | 2013-01-09 | Murata Manufacturing Co. Ltd. | Ultrasonic sensor |
CN101529927B (zh) * | 2006-10-20 | 2012-09-26 | 株式会社村田制作所 | 超声波传感器 |
DE102006050037A1 (de) | 2006-10-24 | 2008-04-30 | Robert Bosch Gmbh | Ultraschallwandler |
JP4888492B2 (ja) | 2006-11-27 | 2012-02-29 | 株式会社村田製作所 | 超音波トランスデューサ |
DE102009046148A1 (de) | 2009-10-29 | 2011-05-05 | Robert Bosch Gmbh | Ultraschallwandler zum Einsatz in einem fluiden Medium |
JP5603054B2 (ja) | 2009-11-27 | 2014-10-08 | 株式会社ナカニシ | 振動子カバー |
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JP5339093B2 (ja) * | 2010-09-08 | 2013-11-13 | 株式会社村田製作所 | 超音波トランスジューサ |
CN103180755B (zh) * | 2010-12-10 | 2014-10-08 | 三菱电机株式会社 | 空中超声波传感器 |
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JP7192640B2 (ja) * | 2019-04-23 | 2022-12-20 | 株式会社Soken | 超音波センサ |
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2006
- 2006-12-12 EP EP06834526A patent/EP1962552B1/en active Active
- 2006-12-12 KR KR20087010147A patent/KR100975517B1/ko active IP Right Grant
- 2006-12-12 CN CN2006800396619A patent/CN101297591B/zh active Active
- 2006-12-12 WO PCT/JP2006/324771 patent/WO2007069609A1/ja active Application Filing
- 2006-12-12 JP JP2007528499A patent/JP4086091B2/ja active Active
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2008
- 2008-04-16 US US12/103,912 patent/US7548014B2/en active Active
Cited By (1)
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KR20160008360A (ko) * | 2014-07-14 | 2016-01-22 | 삼성메디슨 주식회사 | 초음파 흡음 부재, 이를 포함하는 초음파 프로브 및 그 제조 방법 |
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EP1962552A4 (en) | 2010-07-21 |
EP1962552A1 (en) | 2008-08-27 |
JPWO2007069609A1 (ja) | 2009-05-21 |
CN101297591A (zh) | 2008-10-29 |
WO2007069609A1 (ja) | 2007-06-21 |
US7548014B2 (en) | 2009-06-16 |
KR100975517B1 (ko) | 2010-08-11 |
EP1962552B1 (en) | 2011-07-27 |
JP4086091B2 (ja) | 2008-05-14 |
CN101297591B (zh) | 2011-09-07 |
US20080218030A1 (en) | 2008-09-11 |
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