JPH0172799U - - Google Patents
Info
- Publication number
- JPH0172799U JPH0172799U JP1987167113U JP16711387U JPH0172799U JP H0172799 U JPH0172799 U JP H0172799U JP 1987167113 U JP1987167113 U JP 1987167113U JP 16711387 U JP16711387 U JP 16711387U JP H0172799 U JPH0172799 U JP H0172799U
- Authority
- JP
- Japan
- Prior art keywords
- tongues
- piezoelectric
- curved
- utility
- peripheral portion
- 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.)
- Pending
Links
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 210000002105 tongue Anatomy 0.000 claims 4
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Description
第１図は本考案実施例の上面図、第２図は同側
面図である。
１は周縁部、２は金属板電極、３は圧電性セラ
ミツク板、４はフレームである。
FIG. 1 is a top view of an embodiment of the present invention, and FIG. 2 is a side view of the same. 1 is a peripheral portion, 2 is a metal plate electrode, 3 is a piezoelectric ceramic plate, and 4 is a frame.
Claims (1)
周縁部１が外周に形成されている金属板電極２の
前後両面若しくはいずれか一方の面に、表面に電
極層が形成された圧電性セラミツク板３，３が貼
着されているバイモルフ若しくはユニモルフ型圧
電振動子が、前記周縁部１によつて振動可能に支
持されていることを特徴とする圧電型電気音響変
換器。 ２ 前記周縁部１の各舌片が、前方に凸に湾曲し
た舌片１ａと後方に凸に湾曲した舌片１ｂとが交
互に放射状に配列されていることを特徴とする実
用新案登録請求の範囲第１項記載の圧電型電気音
響変換器。[Claims for Utility Model Registration] 1. A metal plate electrode 2 having a peripheral edge part 1 in which a plurality of bent tongues are arranged radially is formed on the outer periphery, and an electrode on the front and back surfaces or either one of the surfaces. A piezoelectric electroacoustic device characterized in that a bimorph or unimorph piezoelectric vibrator to which piezoelectric ceramic plates 3, 3 having layers are attached is supported by the peripheral portion 1 so as to be able to vibrate. converter. 2. A utility model registration claim characterized in that each of the tongues of the peripheral portion 1 includes tongues 1a that are curved in a convex manner toward the front and tongues 1b that are curved in a convex manner at the rear, which are alternately arranged in a radial manner. A piezoelectric electroacoustic transducer according to item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987167113U JPH0172799U (en) | 1987-10-30 | 1987-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987167113U JPH0172799U (en) | 1987-10-30 | 1987-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0172799U true JPH0172799U (en) | 1989-05-16 |
Family
ID=31455113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987167113U Pending JPH0172799U (en) | 1987-10-30 | 1987-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0172799U (en) |
-
1987
- 1987-10-30 JP JP1987167113U patent/JPH0172799U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0172799U (en) | ||
| JPS58161396U (en) | Piezoelectric electroacoustic transducer | |
| JPS636960Y2 (en) | ||
| JPH0344397U (en) | ||
| JPS623192U (en) | ||
| JPS63167762U (en) | ||
| JPH0446798U (en) | ||
| JPS61182195U (en) | ||
| JPS5816999U (en) | piezoelectric speaker | |
| JP3066816U (en) | Driving source for sound | |
| JPS6368313U (en) | ||
| JPH0177097U (en) | ||
| JPS62186598U (en) | ||
| JPS583248U (en) | Multi-wire drive actuator | |
| JPS621498U (en) | ||
| JPH0249909U (en) | ||
| JPH01143598U (en) | ||
| JPS6210594U (en) | ||
| JPH0312599U (en) | ||
| JPS6195199U (en) | ||
| JPS6234897U (en) | ||
| JPH0257699U (en) | ||
| JPH01167800U (en) | ||
| JPH0290599U (en) | ||
| JPH01134261U (en) |