KR100742710B1 - 초음파 송수파기 - Google Patents

초음파 송수파기 Download PDF

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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
Application number
KR1020050047319A
Other languages
English (en)
Korean (ko)
Other versions
KR20060049525A (ko
Inventor
마코토 사카구치
타쿠미 시게모리
Original Assignee
니폰 세라믹 가부시키가이샤
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.)
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Publication date
Application filed by 니폰 세라믹 가부시키가이샤 filed Critical 니폰 세라믹 가부시키가이샤
Publication of KR20060049525A publication Critical patent/KR20060049525A/ko
Application granted granted Critical
Publication of KR100742710B1 publication Critical patent/KR100742710B1/ko

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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
    • 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

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  • 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)
KR1020050047319A 2004-11-05 2005-06-02 초음파 송수파기 KR100742710B1 (ko)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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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