KR100742710B1 - 초음파 송수파기 - Google Patents
초음파 송수파기 Download PDFInfo
- Publication number
- KR100742710B1 KR100742710B1 KR1020050047319A KR20050047319A KR100742710B1 KR 100742710 B1 KR100742710 B1 KR 100742710B1 KR 1020050047319 A KR1020050047319 A KR 1020050047319A KR 20050047319 A KR20050047319 A KR 20050047319A KR 100742710 B1 KR100742710 B1 KR 100742710B1
- Authority
- KR
- South Korea
- Prior art keywords
- piezoelectric element
- cylindrical case
- ultrasonic
- temperature
- alloy
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title 1
- 239000000956 alloy Substances 0.000 claims abstract description 21
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 21
- 239000003990 capacitor Substances 0.000 abstract description 11
- 230000035945 sensitivity Effects 0.000 abstract description 10
- 229910001374 Invar Inorganic materials 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 3
- 239000011358 absorbing material Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000008393 encapsulating agent Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229920002323 Silicone foam Polymers 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000013514 silicone foam Substances 0.000 description 1
Images
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2217/00—Details of magnetostrictive, piezoelectric, or electrostrictive transducers covered by H04R15/00 or H04R17/00 but not provided for in any of their subgroups
- H04R2217/03—Parametric transducers where sound is generated or captured by the acoustic demodulation of amplitude modulated ultrasonic waves
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Transducers For Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004321462A JP2006135573A (ja) | 2004-11-05 | 2004-11-05 | 超音波送受波器 |
JPJP-P-2004-00321462 | 2004-11-05 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR20-2005-0018603U Division KR200394887Y1 (ko) | 2004-11-05 | 2005-06-28 | 초음파 송수파기 |
KR1020070029422A Division KR100742711B1 (ko) | 2004-11-05 | 2007-03-26 | 초음파 송수파기 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060049525A KR20060049525A (ko) | 2006-05-19 |
KR100742710B1 true KR100742710B1 (ko) | 2007-07-25 |
Family
ID=36728725
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050047319A KR100742710B1 (ko) | 2004-11-05 | 2005-06-02 | 초음파 송수파기 |
KR1020070029422A KR100742711B1 (ko) | 2004-11-05 | 2007-03-26 | 초음파 송수파기 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070029422A KR100742711B1 (ko) | 2004-11-05 | 2007-03-26 | 초음파 송수파기 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP2006135573A (ja) |
KR (2) | KR100742710B1 (ja) |
CN (2) | CN2828838Y (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006135573A (ja) * | 2004-11-05 | 2006-05-25 | Nippon Ceramic Co Ltd | 超音波送受波器 |
JP2008271145A (ja) * | 2007-04-19 | 2008-11-06 | Nippon Ceramic Co Ltd | 超音波送受波器 |
JP5111977B2 (ja) * | 2007-08-28 | 2013-01-09 | 日本セラミック株式会社 | 超音波送受波器 |
JP5288237B2 (ja) * | 2007-12-18 | 2013-09-11 | 株式会社河西精機製作所 | 超音波センサの製造法および多結晶アルミニウム成形体の製造法ならびに超音波センサ |
KR100950573B1 (ko) | 2008-01-07 | 2010-04-01 | 두산중공업 주식회사 | 다채널형 초음파 탐상장치 |
WO2010064712A1 (ja) * | 2008-12-04 | 2010-06-10 | 株式会社村田製作所 | 超音波送受波器 |
WO2013051525A1 (ja) * | 2011-10-05 | 2013-04-11 | 株式会社村田製作所 | 超音波センサ |
JP5814797B2 (ja) * | 2012-01-06 | 2015-11-17 | 日本セラミック株式会社 | 超音波送受信器 |
JP6048616B2 (ja) * | 2014-03-31 | 2016-12-21 | 株式会社村田製作所 | 超音波センサ |
DE102014207681A1 (de) * | 2014-04-24 | 2015-10-29 | Robert Bosch Gmbh | Membran für einen Ultraschallwandler und Ultraschallwandler |
JP6311516B2 (ja) * | 2014-07-30 | 2018-04-18 | 株式会社Soken | 超音波式物体検出装置 |
EP3285086B1 (en) * | 2015-04-13 | 2024-04-24 | Murata Manufacturing Co., Ltd. | Ultrasonic sensor and method for controlling same |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02116299A (ja) * | 1988-10-26 | 1990-04-27 | Matsushita Electric Ind Co Ltd | 超音波センサ |
JPH10206528A (ja) * | 1997-01-21 | 1998-08-07 | Oki Ceramic Kogyo Kk | 超音波センサ |
JPH10257595A (ja) * | 1997-03-07 | 1998-09-25 | Murata Mfg Co Ltd | 超音波センサ |
JP2002055156A (ja) * | 2000-08-11 | 2002-02-20 | Nippon Soken Inc | 超音波センサ |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3880047B2 (ja) * | 2002-07-19 | 2007-02-14 | Necトーキン株式会社 | 超音波センサ |
JP2004135089A (ja) * | 2002-10-10 | 2004-04-30 | Nippon Ceramic Co Ltd | 超音波センサ |
JP4018502B2 (ja) * | 2002-10-21 | 2007-12-05 | 日本セラミック株式会社 | 防滴型超音波送受信波器 |
JP2006135573A (ja) * | 2004-11-05 | 2006-05-25 | Nippon Ceramic Co Ltd | 超音波送受波器 |
-
2004
- 2004-11-05 JP JP2004321462A patent/JP2006135573A/ja active Pending
-
2005
- 2005-06-02 KR KR1020050047319A patent/KR100742710B1/ko not_active IP Right Cessation
- 2005-06-24 CN CNU200520110463XU patent/CN2828838Y/zh not_active Expired - Fee Related
- 2005-06-24 CN CN2005100800065A patent/CN1769924B/zh not_active Expired - Fee Related
-
2007
- 2007-03-26 KR KR1020070029422A patent/KR100742711B1/ko not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02116299A (ja) * | 1988-10-26 | 1990-04-27 | Matsushita Electric Ind Co Ltd | 超音波センサ |
JPH10206528A (ja) * | 1997-01-21 | 1998-08-07 | Oki Ceramic Kogyo Kk | 超音波センサ |
JPH10257595A (ja) * | 1997-03-07 | 1998-09-25 | Murata Mfg Co Ltd | 超音波センサ |
JP2002055156A (ja) * | 2000-08-11 | 2002-02-20 | Nippon Soken Inc | 超音波センサ |
Also Published As
Publication number | Publication date |
---|---|
KR20070048676A (ko) | 2007-05-09 |
CN1769924B (zh) | 2010-12-08 |
CN1769924A (zh) | 2006-05-10 |
JP2006135573A (ja) | 2006-05-25 |
KR20060049525A (ko) | 2006-05-19 |
KR100742711B1 (ko) | 2007-07-25 |
CN2828838Y (zh) | 2006-10-18 |
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