JPS62178694U - - Google Patents
Info
- Publication number
- JPS62178694U JPS62178694U JP1986065179U JP6517986U JPS62178694U JP S62178694 U JPS62178694 U JP S62178694U JP 1986065179 U JP1986065179 U JP 1986065179U JP 6517986 U JP6517986 U JP 6517986U JP S62178694 U JPS62178694 U JP S62178694U
- Authority
- JP
- Japan
- Prior art keywords
- electrodes
- drive device
- groups
- digital signal
- piezoelectric 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.)
- Pending
Links
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Description
第１図は本考案の１実施例の斜視図、第２図及
び第３図はそれぞれ本案駆動装置を使用した平面
スピーカ及びホーンスピーカの断面図である。
１１，１２……電極、２……圧電層、３……積
層体、４０〜４５……連結帯、６１〜６５……入
力端子。
FIG. 1 is a perspective view of one embodiment of the present invention, and FIGS. 2 and 3 are sectional views of a flat speaker and a horn speaker using the drive device of the present invention, respectively. 1 1 , 1 2 ... electrode, 2 ... piezoelectric layer, 3 ... laminate, 4 0 - 4 5 ... connection band, 6 1 - 6 5 ... input terminal.
Claims (1)
該圧電層に電極を介して電圧を印加するとき、そ
の積層軸方向に伸縮変位が生じる駆動装置におい
て、該複数の電極を複数のグループに分けると共
に各グループの複数の電極を並列に接続し、該複
数のグループの電極にデジタル信号を加えたとき
それぞれの圧電層に発生する変位量に該デジタル
信号の各ビツトに対応する重みがつくようにした
ことを特徴とするデジタル駆動装置。 Equipped with multiple piezoelectric layers laminated via electrodes,
In a drive device that causes expansion and contraction displacement in the lamination axis direction when a voltage is applied to the piezoelectric layer via an electrode, the plurality of electrodes are divided into a plurality of groups, and the plurality of electrodes of each group are connected in parallel, A digital drive device characterized in that when a digital signal is applied to the plurality of groups of electrodes, the amount of displacement generated in each piezoelectric layer is weighted in accordance with each bit of the digital signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986065179U JPS62178694U (en) | 1986-05-01 | 1986-05-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986065179U JPS62178694U (en) | 1986-05-01 | 1986-05-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62178694U true JPS62178694U (en) | 1987-11-13 |
Family
ID=30902015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986065179U Pending JPS62178694U (en) | 1986-05-01 | 1986-05-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62178694U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57186898A (en) * | 1981-05-13 | 1982-11-17 | Pioneer Electronic Corp | Loudspeaker |
-
1986
- 1986-05-01 JP JP1986065179U patent/JPS62178694U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57186898A (en) * | 1981-05-13 | 1982-11-17 | Pioneer Electronic Corp | Loudspeaker |
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