WO2012077224A1 - 空中超音波センサ - Google Patents
空中超音波センサ Download PDFInfo
- Publication number
- WO2012077224A1 WO2012077224A1 PCT/JP2010/072221 JP2010072221W WO2012077224A1 WO 2012077224 A1 WO2012077224 A1 WO 2012077224A1 JP 2010072221 W JP2010072221 W JP 2010072221W WO 2012077224 A1 WO2012077224 A1 WO 2012077224A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cylindrical case
- ultrasonic sensor
- bottomed cylindrical
- aerial ultrasonic
- aerial
- Prior art date
Links
- 239000010409 thin film Substances 0.000 claims abstract description 28
- 238000009434 installation Methods 0.000 abstract description 9
- 230000000644 propagated effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
- 229910002113 barium titanate Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
Definitions
- the present invention relates to an aerial ultrasonic sensor that transmits ultrasonic waves in the air or receives ultrasonic waves that have propagated in the air.
- An aerial ultrasonic sensor using a piezoelectric element is used in an obstacle detection system that detects an obstacle.
- an ultrasonic wave is transmitted from an aerial ultrasonic sensor to the air, and the transmitted ultrasonic wave is reflected by an obstacle, propagates in the air, and is received by the aerial ultrasonic sensor again. By doing so, obstacles are detected.
- the output sound pressure of the ultrasonic wave may be increased.
- a method for increasing the output sound pressure there is a method using an acoustic matching layer in order to match the acoustic impedance of the airborne ultrasonic sensor and the acoustic impedance of the air.
- an aerial ultrasonic sensor in which a low density region is provided in a case portion of an aerial ultrasonic sensor and the low density region is used as an acoustic matching layer (see, for example, Patent Document 1).
- Patent Document 1 discloses an aerial ultrasonic sensor in which a piezoelectric vibrator is housed in a case portion and an acoustic matching layer is provided on an ultrasonic radiation surface of the vibrator.
- a low density region is formed in the attachment portion of the piezoelectric vibrator when the case portion is molded, and this low density region is used as an acoustic matching layer.
- a piezoelectric vibrator is attached to a case portion, and the attachment portion is a low-density region formed when the case portion is molded.
- region of a case part becomes lower in acoustic impedance than another area
- the prior art has the following problems. As described above, the aerial ultrasonic sensor as shown in Patent Document 1 forms an acoustic matching layer when the case portion is molded. For this reason, once the aerial ultrasonic sensor is formed, the output sound pressure, that is, the propagation distance of the ultrasonic wave is uniquely determined.
- the output sound pressure (ultrasonic propagation distance) is uniquely determined. There is also a problem that adjustment is not possible.
- the present invention has been made to solve the above-described problems, and easily changes the output sound pressure (ultrasonic propagation distance) in accordance with the intended use and installation location with a simple configuration.
- An object is to obtain an aerial ultrasonic sensor that can be used.
- the aerial ultrasonic sensor according to the present invention includes a bottomed cylindrical case having an opening at one end in the axial direction and a bottom surface at the other end, and a piezoelectric vibration fixed to the bottom surface inside the bottomed cylindrical case.
- An aerial ultrasonic sensor comprising a child, further comprising: a bottomless cylindrical case having openings at both ends in the axial direction; and a thin film secured to one end of the opening of the bottomless cylindrical case.
- the bottom cylindrical case is fitted to the bottomed cylindrical case and has a configuration that can move along the side wall of the bottomed cylindrical case.
- the bottomless cylindrical case to which the thin film is fixed is fitted to the bottomed cylindrical case to which the piezoelectric vibrator is fixed, and the bottomless cylindrical case is provided.
- the output sound pressure (ultrasonic propagation distance) can be easily changed according to the intended use or installation location with a simple configuration.
- a possible aerial ultrasonic sensor can be obtained.
- Embodiment 1 of this invention It is the schematic which shows the air ultrasonic sensor in Embodiment 1 of this invention.
- the aerial ultrasonic sensor in Embodiment 1 of this invention it is the figure which showed the relationship between the distance of the outer bottom face of a bottomed cylindrical case, and a thin film, and an output sound pressure.
- the schematic which shows the air ultrasonic sensor in Embodiment 2 of this invention It is the schematic which shows the air ultrasonic sensor in Embodiment 3 of this invention.
- FIG. 1 is a schematic diagram showing an aerial ultrasonic sensor according to Embodiment 1 of the present invention.
- 1A is a side view
- FIG. 1B is a top view
- FIG. 1C is a cross-sectional view along AA ′ shown in FIG. 1B.
- the aerial ultrasonic sensor 10 shown in FIG. 1 includes a bottomed cylindrical case 1, a piezoelectric vibrator 2, input / output terminals 3a and 3b, a thin film 4, and a bottomless cylindrical case 5.
- the bottomed cylindrical case 1 is a case having an opening at one end in the axial direction and a bottom at the other end.
- the piezoelectric vibrator 2 is fixed to the bottom surface inside the bottomed cylindrical case 1.
- the aerial ultrasonic sensor 10 includes input / output terminals 3a and 3b.
- the bottomless cylindrical case 5 is open at both ends, the thin film 4 is fixed to the opening at one end, and the opening at the other end is fitted to the bottomed cylindrical case 1.
- the aerial ultrasonic sensor 10 according to the present invention is technically characterized in that the bottomless cylindrical case 5 is configured to be movable along the side wall 1 a of the bottomed cylindrical case 1.
- the input / output terminal 3 a is connected to the bottomed cylindrical case 1.
- the input / output terminal 3 b is connected to the surface of the piezoelectric vibrator 2 opposite to the surface to be bonded to the bottomed cylindrical case 1.
- the bottomed cylindrical case 1 and the bottomless cylindrical case 5 are made of, for example, a relatively rigid resin reinforced by a glass cloth or a metal such as aluminum.
- the piezoelectric vibrator 2 is made of a piezoelectric ceramic such as PZT or barium titanate, and is formed in a disk shape.
- the thin film 4 is made of a synthetic resin material such as vinyl chloride.
- a signal having a predetermined frequency is supplied from a signal source (not shown) to the input / output terminals 3a and 3b.
- the piezoelectric vibrator 2 vibrates by expanding and contracting mainly in the radial direction by the application of such a signal.
- the piezoelectric vibrator 2 vibrates in this way, the bottomed cylindrical case 1 vibrates, and further, the thin film 4 fixed to the bottomless cylindrical case 5 is vibrated, and from the radiation surface 4a of the thin film 4 Sound waves are emitted into the air.
- the bottomless cylindrical case 5 to which the thin film 4 is fixed is fitted to the bottomed cylindrical case 1 to which the piezoelectric vibrator 2 is fixed and has a bottomed cylindrical shape.
- the structure is movable along the side wall 1 a of the case 1. For this reason, the distance between the outer bottom surface 1b of the bottomed cylindrical case 1 and the thin film 4 can be changed. That is, the thickness of the air layer 6 existing between the bottom surface 1b outside the bottomed cylindrical case 1 and the thin film 4 can be changed.
- FIG. 2 is a diagram illustrating the relationship between the distance between the outer bottom surface 1b of the bottomed cylindrical case 1 and the thin film 4 and the output sound pressure in the aerial ultrasonic sensor 10 according to the first embodiment of the present invention.
- FIG. 2 the relationship when vinyl chloride is assumed as the thin film 4 is shown.
- the output sound pressure increases as the distance between the outer bottom surface 1b of the bottomed cylindrical case 1 and the thin film 4 increases.
- the output sound pressure reaches a peak at a thickness t (0.27 mm in FIG. 2), and becomes smaller again when the thickness becomes thicker than t. That is, the output sound pressure can be changed by changing the distance between the outer bottom surface 1 b of the bottomed cylindrical case 1 and the thin film 4.
- the propagation distance of the ultrasonic wave becomes longer as the output sound pressure becomes higher. Therefore, the propagation distance of ultrasonic waves can be changed by changing the distance between the outer bottom surface 1b of the bottomed cylindrical case 1 and the thin film 4.
- the bottomless cylindrical case to which the thin film is fixed is fitted to the aerial ultrasonic sensor, and the bottomless cylindrical case is used as the bottomed cylinder. It has the structure which can move along the side wall of a cylindrical case. As a result, the distance between the outer bottom surface of the bottomed cylindrical case and the thin film can be set arbitrarily, so the output sound pressure (ultrasonic propagation distance) can be set according to the intended use and installation location with a simple configuration. It is possible to obtain an aerial ultrasonic sensor that can be set arbitrarily.
- Embodiment 2 FIG. In the second embodiment, specific means for making the bottomless cylindrical case 5 movable along the side wall 1a of the bottomed cylindrical case 1 will be described.
- FIG. 3 is a schematic diagram showing an aerial ultrasonic sensor according to Embodiment 2 of the present invention.
- 3A is a side view
- FIG. 3B is a top view
- FIG. 3C is a cross-sectional view taken along line A-A ′ shown in FIG. 3B.
- the aerial ultrasonic sensor 10 shown in FIG. 3 includes a bottomed cylindrical case 1, a piezoelectric vibrator 2, input / output terminals 3a and 3b, a thin film 4, and a bottomless cylindrical case 5.
- the configuration other than the bottomed cylindrical case 1 and the bottomless cylindrical case 5 is the same as the configuration of FIG. 1 in the first embodiment, and a description thereof will be omitted.
- the spiral groove 7 is provided on the outer side surface of the bottomed cylindrical case 1 and the inner side surface of the bottomless cylindrical case 5, and the bottomed tube
- the relationship between the cylindrical case 1 and the bottomless cylindrical case 5 is that of a male screw and a female screw. Therefore, the bottomless cylindrical case 5 can be moved along the side wall 1 a of the bottomed cylindrical case 1 by rotating the bottomed cylindrical case 1 or the bottomless cylindrical case 5.
- the aerial ultrasonic sensor according to Embodiment 2 has a simple configuration in which spiral grooves are provided on the outer side surface of the bottomed cylindrical case and the inner side surface of the bottomless cylindrical case.
- the bottomless cylindrical case can be moved along the side wall of the bottomed cylindrical case, and the distance between the bottom surface outside the bottomed cylindrical case and the thin film can be changed.
- an aerial ultrasonic sensor that can arbitrarily set the output sound pressure (ultrasonic propagation distance) in accordance with the intended use and installation location with a simple configuration.
- Embodiment 3 In the third embodiment, in order to obtain a desired output sound pressure (desired propagation distance of ultrasonic waves) with good reproducibility according to the usage or installation location, the bottomless cylindrical case 5 and the bottomed cylindrical shape The structure which visualized the positional relationship with case 1 is demonstrated.
- FIG. 4 is a schematic diagram showing an aerial ultrasonic sensor according to Embodiment 3 of the present invention.
- 4A is a side view
- FIG. 4B is a top view
- FIG. 4C is a cross-sectional view taken along line A-A ′ shown in FIG. 4B.
- the aerial ultrasonic sensor 10 shown in FIG. 4 includes a bottomed cylindrical case 1, a piezoelectric vibrator 2, input / output terminals 3a and 3b, a thin film 4, and a bottomless cylindrical case 5.
- the configuration other than the bottomed cylindrical case 1 is the same as that of the first embodiment, and a description thereof will be omitted.
- a scale 8 that can visually identify the distance between the bottom surface 1 b of the bottomed cylindrical case 1 and the thin film 4. Is provided.
- the scale 8 is determined based on the relationship between the distance between the outer bottom surface 1b of the bottomed cylindrical case 1 and the thin film 4 and the output sound pressure (or ultrasonic wave propagation distance) obtained in advance.
- the bottomed cylindrical case 5 with respect to the bottomless cylindrical case 5 has the configuration in which the scale is provided on the outer surface of the bottomed cylindrical case.
- the relative position of 1 can be easily adjusted to a position for obtaining a desired output sound pressure (desired ultrasonic wave propagation distance) in accordance with the intended use or installation location.
- an aerial ultrasonic sensor capable of arbitrarily setting the output sound pressure (ultrasonic propagation distance) in accordance with the intended use or installation location with a simple configuration, as well as the output sound pressure or ultrasonic wave. The reproducibility of the propagation distance can be improved.
- Embodiment 3 is not limited to such a configuration.
- the scale 8 can be added to the configuration of FIG. 3 in the second embodiment, and it is possible to achieve both easy position adjustment and reproducibility of output sound pressure (ultrasonic propagation distance). Is possible.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
Description
特許文献1に示したような空中超音波センサは、上述したように、ケース部成型時に音響整合層を形成している。このため、一度、空中超音波センサを形成してしまうと、出力音圧、すなわち超音波の伝搬距離が一意に決まってしまう。
図1は、本発明の実施の形態1における空中超音波センサを示す概略図である。図1(a)は、側面図であり、図1(b)は、上面図であり、図1(c)は、図1(b)で示したA-A’における断面図である。図1に示した空中超音波センサ10は、有底筒状ケース1、圧電振動子2、入出力端子3a、3b、薄膜4、および無底筒状ケース5を備えて構成されている。
本実施の形態2では、無底筒状ケース5を、有底筒状ケース1の側壁1aに沿って移動可能な構成とするための具体的な手段について説明する。
本実施の形態3では、使用用途や設置場所等に合わせて、所望の出力音圧(所望の超音波の伝搬距離)を再現性よく得るために、無底筒状ケース5と有底筒状ケース1との位置関係を可視化した構成について説明する。
Claims (3)
- 軸方向の一端に開口部を有し、かつ他端に底面を有する有底筒状ケースと、
前記有底筒状ケースの内側の底面に固着された圧電振動子と
を備えた空中超音波センサであって、
軸方向の両端に開口部を有する無底筒状ケースと、
前記無底筒状ケースの前記開口部の一端に固着された薄膜と
をさらに備え、
前記無底筒状ケースは、前記有底筒状ケースと嵌合しており、かつ、前記有底筒状ケースの側壁に沿って移動可能な構成を有する
ことを特徴とする空中超音波センサ。 - 請求項1に記載の空中超音波センサにおいて、
前記有底筒状ケースの外側面および前記無底筒状ケースの内側面には、らせん状の溝が設けられており、前記嵌合および前記移動可能な構成を兼ねている
ことを特徴とする空中超音波センサ。 - 請求項1または2に記載の空中超音波センサにおいて、
前記有底筒状ケースの側壁には、前記有底筒状ケースの底面と前記薄膜との距離が目視で識別できる目盛が設けられている
ことを特徴とする空中超音波センサ。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012547652A JP5328990B2 (ja) | 2010-12-10 | 2010-12-10 | 空中超音波センサ |
CN201080069764.6A CN103180755B (zh) | 2010-12-10 | 2010-12-10 | 空中超声波传感器 |
PCT/JP2010/072221 WO2012077224A1 (ja) | 2010-12-10 | 2010-12-10 | 空中超音波センサ |
DE112010006058.4T DE112010006058B4 (de) | 2010-12-10 | 2010-12-10 | Luftgekoppelter Ultraschallsensor |
US13/822,308 US9105835B2 (en) | 2010-12-10 | 2010-12-10 | Air-coupled ultrasonic sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2010/072221 WO2012077224A1 (ja) | 2010-12-10 | 2010-12-10 | 空中超音波センサ |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012077224A1 true WO2012077224A1 (ja) | 2012-06-14 |
Family
ID=46206743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2010/072221 WO2012077224A1 (ja) | 2010-12-10 | 2010-12-10 | 空中超音波センサ |
Country Status (5)
Country | Link |
---|---|
US (1) | US9105835B2 (ja) |
JP (1) | JP5328990B2 (ja) |
CN (1) | CN103180755B (ja) |
DE (1) | DE112010006058B4 (ja) |
WO (1) | WO2012077224A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB201409547D0 (en) * | 2014-05-29 | 2014-07-16 | Gill Instr Ltd | An electroacoustic transducer |
US11079506B2 (en) | 2016-12-16 | 2021-08-03 | Pgs Geophysical As | Multicomponent streamer |
DE102017220792A1 (de) * | 2017-11-21 | 2019-05-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren und Vorrichtung zum Sortieren von Teilchen eines Materialstroms |
JP7192640B2 (ja) * | 2019-04-23 | 2022-12-20 | 株式会社Soken | 超音波センサ |
WO2022040456A1 (en) * | 2020-08-19 | 2022-02-24 | Otonexus Medical Technologies, Inc. | Wearable auscultation device |
US11806749B2 (en) * | 2021-10-28 | 2023-11-07 | Baker Hughes, A Ge Company, Llc | Ultrasonic transducer for flow measurement |
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JPS55162487U (ja) * | 1979-05-08 | 1980-11-21 | ||
JPS58152096U (ja) * | 1982-04-07 | 1983-10-12 | 株式会社村田製作所 | 超音波送受波器 |
JPS599696U (ja) * | 1982-07-07 | 1984-01-21 | 松下電器産業株式会社 | 超音波セラミツクマイクロホン |
JPH06269090A (ja) * | 1993-03-15 | 1994-09-22 | Sumitomo Metal Ind Ltd | 圧電型超音波送受波器 |
Family Cites Families (16)
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AU531527B2 (en) | 1979-05-30 | 1983-08-25 | Bpb Industries Ltd. | Cementitious building board |
JPS58152096A (ja) | 1982-03-05 | 1983-09-09 | Hitachi Ltd | 金属加工用潤滑油組成物及びその使用方法 |
JPS599696A (ja) | 1982-07-09 | 1984-01-19 | ヤマハ株式会社 | 電子楽器の鍵盤スイツチ |
JP2560751B2 (ja) * | 1987-11-11 | 1996-12-04 | 株式会社島津製作所 | 超音波探触子 |
JPH0736639B2 (ja) | 1988-01-25 | 1995-04-19 | 株式会社村田製作所 | 空中超音波トランスデューサ |
JP2659281B2 (ja) | 1991-01-23 | 1997-09-30 | 松下電工株式会社 | 超音波センサ |
JP3036368B2 (ja) | 1994-08-22 | 2000-04-24 | トヨタ自動車株式会社 | 超音波センサ |
US5962952A (en) * | 1995-11-03 | 1999-10-05 | Coherent Technologies, Inc. | Ultrasonic transducer |
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JP3633926B2 (ja) * | 2002-01-28 | 2005-03-30 | 松下電器産業株式会社 | 超音波送受信器および超音波流量計 |
SE0300375D0 (sv) * | 2003-02-12 | 2003-02-12 | Attana Ab | Piezoelectric resonator |
JP4086091B2 (ja) * | 2005-12-14 | 2008-05-14 | 株式会社村田製作所 | 超音波トランスデューサ |
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CN101543095B (zh) * | 2006-11-27 | 2012-06-13 | 株式会社村田制作所 | 超声波转换器 |
US8869620B2 (en) | 2009-10-19 | 2014-10-28 | Mitsubishi Electric Corporation | Airborne ultrasonic sensor |
JPWO2011067835A1 (ja) * | 2009-12-02 | 2013-04-18 | 三菱電機株式会社 | 空中超音波センサ |
-
2010
- 2010-12-10 US US13/822,308 patent/US9105835B2/en not_active Expired - Fee Related
- 2010-12-10 DE DE112010006058.4T patent/DE112010006058B4/de not_active Expired - Fee Related
- 2010-12-10 WO PCT/JP2010/072221 patent/WO2012077224A1/ja active Application Filing
- 2010-12-10 CN CN201080069764.6A patent/CN103180755B/zh not_active Expired - Fee Related
- 2010-12-10 JP JP2012547652A patent/JP5328990B2/ja not_active Expired - Fee Related
Patent Citations (4)
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JPS55162487U (ja) * | 1979-05-08 | 1980-11-21 | ||
JPS58152096U (ja) * | 1982-04-07 | 1983-10-12 | 株式会社村田製作所 | 超音波送受波器 |
JPS599696U (ja) * | 1982-07-07 | 1984-01-21 | 松下電器産業株式会社 | 超音波セラミツクマイクロホン |
JPH06269090A (ja) * | 1993-03-15 | 1994-09-22 | Sumitomo Metal Ind Ltd | 圧電型超音波送受波器 |
Also Published As
Publication number | Publication date |
---|---|
DE112010006058B4 (de) | 2017-03-02 |
US20130169111A1 (en) | 2013-07-04 |
JPWO2012077224A1 (ja) | 2014-05-19 |
CN103180755A (zh) | 2013-06-26 |
US9105835B2 (en) | 2015-08-11 |
JP5328990B2 (ja) | 2013-10-30 |
CN103180755B (zh) | 2014-10-08 |
DE112010006058T5 (de) | 2013-10-10 |
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