JPH0352732U - - Google Patents
Info
- Publication number
- JPH0352732U JPH0352732U JP11545789U JP11545789U JPH0352732U JP H0352732 U JPH0352732 U JP H0352732U JP 11545789 U JP11545789 U JP 11545789U JP 11545789 U JP11545789 U JP 11545789U JP H0352732 U JPH0352732 U JP H0352732U
- Authority
- JP
- Japan
- Prior art keywords
- image forming
- forming apparatus
- vibration
- elastic body
- optical system
- 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
- 230000003287 optical effect Effects 0.000 claims description 8
- 230000005284 excitation Effects 0.000 claims 2
- 238000005452 bending Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Optical Systems Of Projection Type Copiers (AREA)
Description
第１図から第４図までは本考案を具体化した一
実施例を示すもので、第１図は、本実施例の光学
系移動装置の概略斜視図であり、第２図は移動手
段である超音波振動子の斜視図であり、第３図は
超音波振動子の動作を制御する制御系のブロツク
図であり、第４図は、本実施例の光学系移動装置
を好適に利用した画像形成装置の概略図である。
１……第１ミラー、２……第２ミラー、４１ａ
〜４１ｄ……超音波振動子、４２ａ〜４２ｄ……
弾性体、４３ａ〜４３ｄ……第１圧電体、４４ａ
〜４４ｄ……第２圧電体、４５ａ〜４５ｄ……振
動面、１１１……露光ランプ。
1 to 4 show an embodiment embodying the present invention. FIG. 1 is a schematic perspective view of an optical system moving device of this embodiment, and FIG. 2 is a moving means. FIG. 3 is a block diagram of a control system that controls the operation of an ultrasonic transducer, and FIG. 4 is a diagram showing a system in which the optical system moving device of this embodiment is suitably used. 1 is a schematic diagram of an image forming apparatus. 1...First mirror, 2...Second mirror, 41a
~41d...Ultrasonic transducer, 42a~42d...
Elastic body, 43a to 43d...first piezoelectric body, 44a
-44d...Second piezoelectric body, 45a-45d...Vibration surface, 111...Exposure lamp.
Claims (1)
移動手段４１，４２，４３，４４，４５と を備える画像形成装置において、 前記光学系移動手段４１，４２，４３，４４，
４５が超音波振動子４１を備えることを特徴とす
る画像形成装置。 ２ 請求項１記載の画像形成装置において、 前記光学系１，２，１１１が、少なくとも光源
１１１と、第１ミラー１と、第２ミラー２を含み
、 かつ、前記光学系移動手段４１，４２，４３，
４４，４５が光源と第１ミラー１を移動する第１
移動手段４３と、 第２ミラー２を移動する第２移動手段４４とか
ら成ることを特徴とする画像形成装置。 ３ 請求項１ないし２記載の画像形成装置におい
て、 前記超音波振動子４１が、 第１平面と該第１平面に対し略直交する第２平
面を有する弾性体４２と、 前記第１平面に着設され、前記弾性体４２の振
動面に一方向の振動を励起する第１の励振体４４
ａ，４４ｂと、 前記第２平面に着設され、前記弾性体の振動面
に前記一方向とは異なる他方向の振動を励起する
第２の励振体４４ｃ，４４ｄとを含むことを特徴
とする画像形成装置。 ４ 請求項３記載の画像形成装置において、 前記弾性体４２に励振される前記一方向の振動
が該弾性体４２の屈曲振動であり、 前記他方向の振動が前記弾性体４２の伸縮振動
であることを特徴とする画像形成装置。[Claims for Utility Model Registration] 1. An image forming apparatus comprising optical systems 1, 2, 111, and optical system moving means 41, 42, 43, 44, 45 that moves the optical system to expose and scan a document. , the optical system moving means 41, 42, 43, 44,
An image forming apparatus characterized in that 45 includes an ultrasonic transducer 41. 2. The image forming apparatus according to claim 1, wherein the optical system 1, 2, 111 includes at least a light source 111, a first mirror 1, a second mirror 2, and the optical system moving means 41, 42, 43,
44, 45 move the light source and the first mirror 1;
An image forming apparatus comprising a moving means 43 and a second moving means 44 for moving the second mirror 2. 3. The image forming apparatus according to claim 1, wherein the ultrasonic transducer 41 includes an elastic body 42 having a first plane and a second plane substantially orthogonal to the first plane; a first excitation body 44 that is provided and excites vibration in one direction on the vibration surface of the elastic body 42;
a, 44b, and a second excitation body 44c, 44d that is attached to the second plane and excites vibration in a direction different from the one direction on the vibration surface of the elastic body. Image forming device. 4. The image forming apparatus according to claim 3, wherein the vibration in one direction excited in the elastic body 42 is a bending vibration of the elastic body 42, and the vibration in the other direction is a stretching vibration of the elastic body 42. An image forming apparatus characterized by:
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11545789U JPH0352732U (en) | 1989-09-28 | 1989-09-28 | |
| GB9013898A GB2235820A (en) | 1989-06-21 | 1990-06-21 | A drive system for a mechanical part of an image forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11545789U JPH0352732U (en) | 1989-09-28 | 1989-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0352732U true JPH0352732U (en) | 1991-05-22 |
Family
ID=31663785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11545789U Pending JPH0352732U (en) | 1989-06-21 | 1989-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0352732U (en) |
-
1989
- 1989-09-28 JP JP11545789U patent/JPH0352732U/ja active Pending
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