JPH0311239U - - Google Patents
Info
- Publication number
- JPH0311239U JPH0311239U JP5702589U JP5702589U JPH0311239U JP H0311239 U JPH0311239 U JP H0311239U JP 5702589 U JP5702589 U JP 5702589U JP 5702589 U JP5702589 U JP 5702589U JP H0311239 U JPH0311239 U JP H0311239U
- Authority
- JP
- Japan
- Prior art keywords
- humidifying
- optical device
- air
- forming apparatus
- image forming
- 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 9
- 239000011521 glass Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000008236 heating water Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 210000003644 lens cell Anatomy 0.000 description 1
Landscapes
- Lens Barrels (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Description
第１図は本考案の実施例の要部を示す側断面図
、第２図ａは他の実施例の要部を示す側断面図に
制御回路を付加した説明図、第２図ｂはそのヒー
タの制御のフローを示すフローチヤート、第２図
ｃはさらに他の実施例の要部を示す側断面図、第
３図は複写機の露光々学系の一例の構成を示す断
面図、第４図はその走査駆動装置の一例を省略し
て示す斜視図、第５，６，７図は夫々画像形成装
置の光学装置に用いられる各種レンズの断面図、
第８図はガラスの表面の湿度と導電率の関係の一
例を示す曲線図である。
３……光源、４，５，６，８……ミラー、７…
…レンズ、４７……レンズセル、５０……光学装
置収容空間、５１……水槽（加湿手段）、５２…
…接地手段、５３……ヒータ（加熱手段）、５４
……ヒータ制御回路、５５……湿度センサ、６０
……超音波振動子（加振手段）、６１……振動子
制御回路。
Fig. 1 is a side sectional view showing the main part of an embodiment of the present invention, Fig. 2a is an explanatory side sectional view showing the main part of another embodiment with a control circuit added, and Fig. 2b is the same. FIG. 2C is a flowchart showing the flow of control of the heater; FIG. 2C is a side sectional view showing the main parts of another embodiment; FIG. FIG. 4 is a perspective view showing an example of the scanning drive device, and FIGS. 5, 6, and 7 are cross-sectional views of various lenses used in the optical device of the image forming apparatus, respectively.
FIG. 8 is a curve diagram showing an example of the relationship between humidity and electrical conductivity on the surface of glass. 3...Light source, 4, 5, 6, 8...Mirror, 7...
... Lens, 47 ... Lens cell, 50 ... Optical device housing space, 51 ... Water tank (humidifying means), 52 ...
...Grounding means, 53...Heater (heating means), 54
... Heater control circuit, 55 ... Humidity sensor, 60
... Ultrasonic vibrator (excitation means), 61 ... Vibrator control circuit.
Claims (1)
有するガラス製光学要素を備えた画像形成装置の
光学装置において、 上記光学装置を収容する空間を加湿する加湿手
段と、上記光学要素の入出射面を画像形成装置本
体機枠に接地する接地手段とを設けたことを特徴
とする光学装置。 (2) 上記の加湿手段に空気を加湿するための水
を加熱する加熱手段を設けたことを特徴とする請
求項１に記載の光学装置。 (3) 上記の加湿手段に空気を加湿するための水
を超音波振動させる加振手段を設けたことを特徴
とする請求項１に記載の光学装置。[Claims for Utility Model Registration] (1) In an optical device of an image forming apparatus including a glass optical element having a surface in contact with air through which original image light enters and exits, a space housing the optical device is humidified. An optical device comprising: a humidifying device; and a grounding device for grounding an entrance/exit surface of the optical element to a frame of an image forming apparatus main body. (2) The optical device according to claim 1, wherein the humidifying means is provided with a heating means for heating water for humidifying the air. (3) The optical device according to claim 1, wherein the humidifying means is provided with a vibrating means for ultrasonically vibrating water for humidifying the air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5702589U JPH0311239U (en) | 1989-02-17 | 1989-05-19 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1688089 | 1989-02-17 | ||
| JP5702589U JPH0311239U (en) | 1989-02-17 | 1989-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0311239U true JPH0311239U (en) | 1991-02-04 |
Family
ID=31717357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5702589U Pending JPH0311239U (en) | 1989-02-17 | 1989-05-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0311239U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11994237B2 (en) | 2015-09-25 | 2024-05-28 | Cryovac, Llc | Apparatus and method for vacuumizing and sealing a package |
-
1989
- 1989-05-19 JP JP5702589U patent/JPH0311239U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11994237B2 (en) | 2015-09-25 | 2024-05-28 | Cryovac, Llc | Apparatus and method for vacuumizing and sealing a package |