JPS6247298U - - Google Patents
Info
- Publication number
- JPS6247298U JPS6247298U JP13959085U JP13959085U JPS6247298U JP S6247298 U JPS6247298 U JP S6247298U JP 13959085 U JP13959085 U JP 13959085U JP 13959085 U JP13959085 U JP 13959085U JP S6247298 U JPS6247298 U JP S6247298U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- signal voltage
- electrodes
- conversion circuit
- pasted
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Description
第１図は本考案による圧電型マイクロホンの一
例の要部平面図、第２図は第１図に示す圧電型マ
イクロホンに用いる振動体の斜視図、第３図は第
１図、第２図に示す振動体の具体的動作説明図、
第４図は同、略線的動作説明図、第５図は圧電型
マイクロホンの断面図、第６図は本考案による圧
電マイクロホンの他例の要部平面図である。
図中、１，２は圧電フイルム、３ａ，３ｂは屈
曲部、４ａ，４ｂ，５ａ，５ｂは電極、６は振動
体、１１はインピーダンス変換回路である。
Figure 1 is a plan view of essential parts of an example of a piezoelectric microphone according to the present invention, Figure 2 is a perspective view of a vibrating body used in the piezoelectric microphone shown in Figure 1, and Figure 3 is similar to Figures 1 and 2. A diagram illustrating the specific operation of the vibrating body shown in FIG.
FIG. 4 is a schematic diagram illustrating the operation, FIG. 5 is a sectional view of the piezoelectric microphone, and FIG. 6 is a plan view of main parts of another example of the piezoelectric microphone according to the present invention. In the figure, 1 and 2 are piezoelectric films, 3a and 3b are bent parts, 4a, 4b, 5a and 5b are electrodes, 6 is a vibrating body, and 11 is an impedance conversion circuit.
Claims (1)
イルムを所定間隔を持つて交互に逆方向に屈曲し
、所要部位の両面に対向電極を設け、該両電極を
インピーダンス変換回路に接続し、上記圧電フイ
ルムの音圧による変位を信号電圧に変換して出力
するようにしたことを特徴とする圧電型マイクロ
ホン。 Two piezoelectric films that have been polarized and pasted to each other are alternately bent in opposite directions at a predetermined interval, counter electrodes are provided on both sides of the required portions, and both electrodes are connected to an impedance conversion circuit. A piezoelectric microphone characterized by converting the displacement of a piezoelectric film due to sound pressure into a signal voltage and outputting the signal voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13959085U JPS6247298U (en) | 1985-09-12 | 1985-09-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13959085U JPS6247298U (en) | 1985-09-12 | 1985-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6247298U true JPS6247298U (en) | 1987-03-23 |
Family
ID=31045638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13959085U Pending JPS6247298U (en) | 1985-09-12 | 1985-09-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6247298U (en) |
-
1985
- 1985-09-12 JP JP13959085U patent/JPS6247298U/ja active Pending
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