JPH041914B2 - - Google Patents

Info

Publication number
JPH041914B2
JPH041914B2 JP56009981A JP998181A JPH041914B2 JP H041914 B2 JPH041914 B2 JP H041914B2 JP 56009981 A JP56009981 A JP 56009981A JP 998181 A JP998181 A JP 998181A JP H041914 B2 JPH041914 B2 JP H041914B2
Authority
JP
Japan
Prior art keywords
sound
energy
acoustic
impedance
electrical
Prior art date
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.)
Expired - Lifetime
Application number
JP56009981A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57124398A (en
Inventor
Haimi Takasaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
Nippon Electric Co Ltd
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.)
Filing date
Publication date
Application filed by Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP56009981A priority Critical patent/JPS57124398A/ja
Publication of JPS57124398A publication Critical patent/JPS57124398A/ja
Publication of JPH041914B2 publication Critical patent/JPH041914B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP56009981A 1981-01-26 1981-01-26 Sound/vibration absorber Granted JPS57124398A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56009981A JPS57124398A (en) 1981-01-26 1981-01-26 Sound/vibration absorber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56009981A JPS57124398A (en) 1981-01-26 1981-01-26 Sound/vibration absorber

Publications (2)

Publication Number Publication Date
JPS57124398A JPS57124398A (en) 1982-08-03
JPH041914B2 true JPH041914B2 (de) 1992-01-14

Family

ID=11735069

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56009981A Granted JPS57124398A (en) 1981-01-26 1981-01-26 Sound/vibration absorber

Country Status (1)

Country Link
JP (1) JPS57124398A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4564988B2 (ja) * 2007-06-08 2010-10-20 財団法人鉄道総合技術研究所 振動・騒音低減装置
JP4564987B2 (ja) * 2007-06-08 2010-10-20 財団法人鉄道総合技術研究所 振動・騒音低減装置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58166396A (ja) * 1982-03-27 1983-10-01 防衛庁技術研究本部長 吸音材
JPS6042430A (ja) * 1983-08-17 1985-03-06 Murata Mfg Co Ltd 複合吸音材
JPS6074197U (ja) * 1983-10-28 1985-05-24 株式会社キクテック 吸音板
JPH03235641A (ja) * 1990-02-08 1991-10-21 Hitachi Ltd 遮音構造体を備えた圧縮機
JPH11242488A (ja) * 1998-02-26 1999-09-07 Toshiba Corp 遮音装置
US11851807B2 (en) 2019-11-07 2023-12-26 Whirlpool Corporation Method of removing heat from a clothes tumbling system on the outside of the cabinet

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5762094A (en) * 1980-09-30 1982-04-14 Matsushita Electric Works Ltd Shielding plate

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5762094A (en) * 1980-09-30 1982-04-14 Matsushita Electric Works Ltd Shielding plate

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4564988B2 (ja) * 2007-06-08 2010-10-20 財団法人鉄道総合技術研究所 振動・騒音低減装置
JP4564987B2 (ja) * 2007-06-08 2010-10-20 財団法人鉄道総合技術研究所 振動・騒音低減装置

Also Published As

Publication number Publication date
JPS57124398A (en) 1982-08-03

Similar Documents

Publication Publication Date Title
CA1260603A (en) Ultrasound transducer
US2787777A (en) Ceramic transducer having stacked elements
Zhang et al. Modeling and underwater characterization of cymbal transducers and arrays
JPH041914B2 (de)
JP3416648B2 (ja) 音響トランスデューサー
US2746026A (en) Half wave annular transducer
US2727214A (en) Acoustic delay line using solid rods
CN206413162U (zh) 一种水声通信换能器
US3754208A (en) Compound lens for converting the effect of large-area sonic transducer to one of small area
JPH02309799A (ja) 送受波器
Teng et al. Electro-mechano-acoustical equivalent circuit model of z-structured piezoelectric transducer
JPS6133318B2 (de)
CN219609220U (zh) 一种新型侧扫换能器结构
TWI825946B (zh) 二維超音波換能器及其製造方法
US3736533A (en) Apparatus for efficiently converting acoustic energy into electrical energy
JPH054341Y2 (de)
TWI830429B (zh) 換能器及應用其之超音波探頭
JPS5824785Y2 (ja) アレ−形の超音波探触子
CN117915755A (zh) 压电敏感元件、压电超声换能器及两者的制备方法
SU1410950A1 (ru) Имитатор эхосигнала
JPH0428160Y2 (de)
JPH0445355Y2 (de)
LIU A High-Power and High-Efficiency Bender Transducer
JPS5826263A (ja) 超音波探触子とその駆動装置
JPS5830385Y2 (ja) 超音波セラミックマイクロホン