JPH0420797U - - Google Patents
Info
- Publication number
- JPH0420797U JPH0420797U JP6173690U JP6173690U JPH0420797U JP H0420797 U JPH0420797 U JP H0420797U JP 6173690 U JP6173690 U JP 6173690U JP 6173690 U JP6173690 U JP 6173690U JP H0420797 U JPH0420797 U JP H0420797U
- Authority
- JP
- Japan
- Prior art keywords
- electroacoustic transducer
- metal foil
- film
- underwater receiver
- boundary layer
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 claims description 6
- 239000011888 foil Substances 0.000 claims 5
- 239000002184 metal Substances 0.000 claims 5
- 238000005452 bending Methods 0.000 claims 2
- 238000004078 waterproofing Methods 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
Landscapes
- Transducers For Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
第１図は本考案の一実施例に係る第１の電気音
響変換素子を用いた水中受波器を示す断面図、第
２図は他の実施例に係る第２の電気音響変換素子
を用いた水中受波器を示す断面図、第３図は従来
の電気音響変換素子を用いた水中受波器を示す断
面図である。
図に於いて、１はＣｕ箔、１１は膜状圧電材料
、１２は接着剤、１３は正電極、１４は負電極、
１５Ａは第１の電気音響変換素子、１５Ｂは第２
の電気音響変換素子、１６は防水ゴム、１７Ａ，
１７Ｂは水中受波器、１８は防水ケーブルである
。
FIG. 1 is a sectional view showing an underwater receiver using a first electroacoustic transducer according to one embodiment of the present invention, and FIG. 2 is a cross-sectional view showing an underwater receiver using a second electroacoustic transducer according to another embodiment. FIG. 3 is a sectional view showing an underwater receiver using a conventional electroacoustic transducer. In the figure, 1 is a Cu foil, 11 is a film-like piezoelectric material, 12 is an adhesive, 13 is a positive electrode, 14 is a negative electrode,
15A is the first electroacoustic transducer, 15B is the second
electroacoustic transducer, 16 is waterproof rubber, 17A,
17B is an underwater receiver, and 18 is a waterproof cable.
Claims (1)
を用いる水中受波器に於いて、 中心位置に配置されて曲げ剛性を有する金属箔
と、この金属箔の対称境界層に接着された前記膜
状圧電材料と、この膜状圧電材料の対称境界層に
設けられた正と負の１組の電極とからなる第１の
電気音響変換素子と、 該第１の電気音響変換素子を均一に被覆して防
水する防水ゴムと を備えたことを特徴とする水中受波器。 (2) 膜状圧電材料を積層した電気音響変換素子
を用いる水中受波器に於いて、 中心位置に配置されて曲げ剛性を有する金属箔
を有し、電極間に前記膜状圧電材料が設けられた
１組の正と負の電極が前記金属箔の対称境界層に
それぞれ接着されてなる第２の電気音響変換素子
と、 該第２の電気音響変換素子を均一に被覆して防
水する防水ゴムと を備えたことを特徴とする水中受波器。[Claims for Utility Model Registration] (1) In an underwater receiver using an electroacoustic transducer made of laminated film-like piezoelectric materials, a metal foil located at the center and having bending rigidity, and a metal foil of this metal foil. a first electroacoustic transducer element comprising the film-like piezoelectric material adhered to a symmetrical boundary layer; and a pair of positive and negative electrodes provided on the symmetrical boundary layer of the film-like piezoelectric material; What is claimed is: 1. An underwater receiver comprising a waterproof rubber that uniformly covers and waterproofs the electroacoustic transducer. (2) In an underwater receiver using an electroacoustic transducer made of laminated film-like piezoelectric materials, a metal foil having bending rigidity is placed at the center, and the film-like piezoelectric material is provided between the electrodes. a second electroacoustic transducer element in which a pair of positive and negative electrodes are bonded to the symmetrical boundary layer of the metal foil; and a waterproofing element that uniformly covers and waterproofs the second electroacoustic transducer element. An underwater receiver characterized by being equipped with rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990061736U JP2514353Y2 (en) | 1990-06-13 | 1990-06-13 | Underwater receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990061736U JP2514353Y2 (en) | 1990-06-13 | 1990-06-13 | Underwater receiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0420797U true JPH0420797U (en) | 1992-02-21 |
| JP2514353Y2 JP2514353Y2 (en) | 1996-10-16 |
Family
ID=31590249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990061736U Expired - Lifetime JP2514353Y2 (en) | 1990-06-13 | 1990-06-13 | Underwater receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2514353Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60139100A (en) * | 1983-12-02 | 1985-07-23 | レイセオン カンパニ− | Transducer |
-
1990
- 1990-06-13 JP JP1990061736U patent/JP2514353Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60139100A (en) * | 1983-12-02 | 1985-07-23 | レイセオン カンパニ− | Transducer |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2514353Y2 (en) | 1996-10-16 |
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