JPH01101192U - - Google Patents
Info
- Publication number
- JPH01101192U JPH01101192U JP19925187U JP19925187U JPH01101192U JP H01101192 U JPH01101192 U JP H01101192U JP 19925187 U JP19925187 U JP 19925187U JP 19925187 U JP19925187 U JP 19925187U JP H01101192 U JPH01101192 U JP H01101192U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric element
- vibrator
- contactor
- contact
- lever
- 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
- 230000010363 phase shift Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Description
第１図はこの考案の一実施例を示す斜視図、第
２図はその正面図、第３図は同じくその印加電圧
の波形図、第４図は同じくその動作説明図、第５
図は他の実施例の正面図、第６図はその印加電圧
の波形図、第７図は同じくその動作説明図、第８
図はさらに他の実施例の斜視図、第９図はその印
加電圧の波形図、第１０図はさらに他の実施例の
側面図、第１１図はその平面図、第１２図はさら
に他の実施例の側面図、第１３図はその正面図で
ある。
１……振動子、１ａ，１ｂ……対向柱、２ａ，
２ｂ……第１の圧電素子、３ａ，３ｂ……第２の
圧電素子、４……接触子、１１，２１，３１……
振動子、１２，２２，３２……圧電素子、２７，
３７……レバー。
FIG. 1 is a perspective view showing an embodiment of this invention, FIG. 2 is a front view thereof, FIG. 3 is a waveform diagram of the applied voltage, FIG. 4 is an explanatory diagram of its operation, and FIG.
The figure is a front view of another embodiment, FIG. 6 is a waveform diagram of the applied voltage, FIG. 7 is an explanatory diagram of the operation, and FIG.
The figure is a perspective view of still another embodiment, FIG. 9 is a waveform diagram of the applied voltage, FIG. 10 is a side view of still another embodiment, FIG. 11 is a plan view thereof, and FIG. 12 is a diagram of still another embodiment. A side view of the embodiment, and FIG. 13 is a front view thereof. 1... Vibrator, 1a, 1b... Opposing column, 2a,
2b...first piezoelectric element, 3a, 3b...second piezoelectric element, 4...contact, 11, 21, 31...
Vibrator, 12, 22, 32...Piezoelectric element, 27,
37...Lever.
Claims (1)
平側面および垂直側面の一方に第１の圧電素子を
設け、他方に第２の圧電素子を設け、前記第１の
圧電素子に高周波電圧を印加して共振振動をさせ
るとともに、この高周波電圧に同期して９０°位
相のずれたパルス電圧を前記第２の圧電素子に印
加し、第２の圧電素子の最大振幅点が円または楕
円運動をなすようにする電源装置を設け、前記最
大振幅点と接する接触子を設けることにより、前
記接触子または振動子が駆動するようにした圧電
駆動装置。 (2) 垂直側の圧電素子を積層圧電素子とし、ｕ
字状の動作縮小または拡大用のレバーを前記振動
子の水平側面に設け、このレバーの対向辺部分間
に前記積層圧電素子を固定し、前記レバーの先端
に前記接触子が接することにより、この接触子ま
たは振動子が駆動されるようにした実用新案登録
請求の範囲第(1)項記載の圧電駆動装置。[Claims for Utility Model Registration] (1) A first piezoelectric element is provided on one of a horizontal side surface and a vertical side surface of the vibrating section of a rectangular bar-shaped vibrator, and a second piezoelectric element is provided on the other side, A high frequency voltage is applied to the first piezoelectric element to cause resonance vibration, and a pulse voltage with a phase shift of 90° is applied to the second piezoelectric element in synchronization with the high frequency voltage, so that the second piezoelectric element A piezoelectric drive device, comprising: a power supply device that causes a maximum amplitude point to make circular or elliptical motion, and a contactor in contact with the maximum amplitude point to drive the contactor or vibrator. (2) The piezoelectric element on the vertical side is a laminated piezoelectric element, and u
A letter-shaped lever for reducing or enlarging the operation is provided on the horizontal side of the vibrator, the laminated piezoelectric element is fixed between the opposing sides of this lever, and the contact is in contact with the tip of the lever. A piezoelectric drive device according to claim (1) of the utility model registration, in which a contactor or a vibrator is driven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19925187U JPH01101192U (en) | 1987-12-23 | 1987-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19925187U JPH01101192U (en) | 1987-12-23 | 1987-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01101192U true JPH01101192U (en) | 1989-07-07 |
Family
ID=31489711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19925187U Pending JPH01101192U (en) | 1987-12-23 | 1987-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01101192U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011097697A (en) * | 2009-10-28 | 2011-05-12 | Nikon Corp | Vibrating actuator, lens barrel, and image sensor |
-
1987
- 1987-12-23 JP JP19925187U patent/JPH01101192U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011097697A (en) * | 2009-10-28 | 2011-05-12 | Nikon Corp | Vibrating actuator, lens barrel, and image sensor |
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