JPS629270U - - Google Patents
Info
- Publication number
- JPS629270U JPS629270U JP10155685U JP10155685U JPS629270U JP S629270 U JPS629270 U JP S629270U JP 10155685 U JP10155685 U JP 10155685U JP 10155685 U JP10155685 U JP 10155685U JP S629270 U JPS629270 U JP S629270U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal light
- light shutter
- image forming
- forming apparatus
- 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
- 239000004973 liquid crystal related substance Substances 0.000 claims description 6
- 108091008695 photoreceptors Proteins 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 3
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Combination Of More Than One Step In Electrophotography (AREA)
- Liquid Crystal (AREA)
Description
第１図は本考案の一実施例の要部を示す概略構
成図、第２図は本考案の一実施例を示す概略構成
図、第３図は従来の温度制御の手段を示す構成図
、第４図は液晶光シヤツタの温度特性を示すグラ
フである。
５…感光体、６…帯電器、７…液晶光シヤツタ
ヘツド、７ａ…液晶光シヤツタ、７ｂ…光源、８
…表面電位検出器、９…比較・演算回路、１０…
制御回路、１１…温度制御部。
FIG. 1 is a schematic block diagram showing the main parts of an embodiment of the present invention, FIG. 2 is a schematic block diagram showing an embodiment of the present invention, and FIG. 3 is a block diagram showing conventional temperature control means. FIG. 4 is a graph showing the temperature characteristics of the liquid crystal light shutter. 5... Photoreceptor, 6... Charger, 7... Liquid crystal light shutter head, 7a... Liquid crystal light shutter, 7b... Light source, 8
...Surface potential detector, 9...Comparison/arithmetic circuit, 10...
Control circuit, 11...temperature control section.
Claims (1)
ツタにより光書き込みを行う画像形成装置におい
て、 前記液晶光シヤツタを非露光状態に設定し感光
体の表面電位を検出する検出手段と、 該検出手段の検出結果に応じて前記液晶光シヤ
ツタの温度を制御する温度制御手段とを具備した
ことを特徴とする画像形成装置。[Claims for Utility Model Registration] In an image forming apparatus that performs optical writing using a liquid crystal light shutter on a photoreceptor charged by a charging means, a detection method that detects the surface potential of the photoreceptor with the liquid crystal light shutter set in a non-exposed state. An image forming apparatus comprising: a temperature control means for controlling the temperature of the liquid crystal light shutter according to a detection result of the detection means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10155685U JPS629270U (en) | 1985-07-02 | 1985-07-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10155685U JPS629270U (en) | 1985-07-02 | 1985-07-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS629270U true JPS629270U (en) | 1987-01-20 |
Family
ID=30972392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10155685U Pending JPS629270U (en) | 1985-07-02 | 1985-07-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS629270U (en) |
-
1985
- 1985-07-02 JP JP10155685U patent/JPS629270U/ja active Pending
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