JPH01146249U - - Google Patents
Info
- Publication number
- JPH01146249U JPH01146249U JP4125788U JP4125788U JPH01146249U JP H01146249 U JPH01146249 U JP H01146249U JP 4125788 U JP4125788 U JP 4125788U JP 4125788 U JP4125788 U JP 4125788U JP H01146249 U JPH01146249 U JP H01146249U
- Authority
- JP
- Japan
- Prior art keywords
- optical writing
- writing system
- temperature
- temperature sensor
- photoreceptor
- 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 17
- 108091008695 photoreceptors Proteins 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 2
Landscapes
- Dot-Matrix Printers And Others (AREA)
- Laser Beam Printer (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Description
第１図ないし第５図は本考案による光書き込み
装置の一実施例を示す図であり、第１図は光書き
込み装置の概略図、第２図はその制御手段のブロ
ツク構成図、第３図は光書き込み処理の手順を示
すフローチヤート、第４図はＡＰＣ処理の手順を
示すフローチヤート、第５図は感光体の表面電位
変化を示す特性図、第６図および第７図は従来例
を示す図であり、第６図は感光体の表面電位変化
を示す特性図、第７図は温度をパラメータとした
残留電位との光量との関係を示す図である。
１……ポリゴン（回転多面鏡）、２……ＯＰＣ
（感光体）、３……温度センサ、４……制御回路
（制御手段）、６……レーザダイオード（光書き
込み系）、１１……サーミスタ、１２……抵抗、
１４……Ａ／Ｄ変換器、１５……ＣＰＵ、１６…
…カウンタ、１７……Ｄ／Ａ変換器、１８……定
電流源、２１……コンパレータ、２５……ＡＰＣ
回路、２７……可変抵抗。
1 to 5 are diagrams showing one embodiment of the optical writing device according to the present invention, in which FIG. 1 is a schematic diagram of the optical writing device, FIG. 2 is a block diagram of its control means, and FIG. 3 is a diagram showing an embodiment of the optical writing device. 4 is a flowchart showing the procedure of optical writing processing, FIG. 4 is a flowchart showing the procedure of APC processing, FIG. 5 is a characteristic diagram showing changes in surface potential of the photoreceptor, and FIGS. 6 and 7 are conventional examples. FIG. 6 is a characteristic diagram showing changes in the surface potential of the photoreceptor, and FIG. 7 is a diagram showing the relationship between the residual potential and the amount of light using temperature as a parameter. 1...Polygon (rotating polygon mirror), 2...OPC
(Photoreceptor), 3... Temperature sensor, 4... Control circuit (control means), 6... Laser diode (optical writing system), 11... Thermistor, 12... Resistor,
14...A/D converter, 15...CPU, 16...
... Counter, 17 ... D/A converter, 18 ... Constant current source, 21 ... Comparator, 25 ... APC
Circuit, 27...variable resistance.
Claims (1)
よりデータを書き込む光書き込み装置であつて、
前記感光体の温度を検出する温度センサと、前記
光書込み系の光量を制御するとともに前記温度セ
ンサからの検出温度に基づいて前記光書き込み系
の光量を増減補正する制御回路とを備えたことを
特徴とする光書き込み装置。 (2) 光記録媒体である感光体に光書き込み系に
よりデータを書き込む光書き込み装置であつて、
前記感光体の温度を検出する温度センサと、前記
光書き込み系の光量を制御するとともに前記温度
センサからの検出温度に基づいて前記光書き込み
系の発光時間をデユーテイ補正する制御回路とを
備えたことを特徴とする光書き込み装置。[Scope of Claim for Utility Model Registration] (1) An optical writing device that writes data onto a photoreceptor, which is an optical recording medium, using an optical writing system,
The present invention includes a temperature sensor that detects the temperature of the photoconductor, and a control circuit that controls the amount of light of the optical writing system and corrects the increase or decrease of the amount of light of the optical writing system based on the temperature detected by the temperature sensor. Characteristic optical writing device. (2) An optical writing device that writes data onto a photoreceptor, which is an optical recording medium, using an optical writing system,
A temperature sensor that detects the temperature of the photoreceptor; and a control circuit that controls the amount of light of the optical writing system and corrects the duty of the light emission time of the optical writing system based on the temperature detected by the temperature sensor. An optical writing device featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4125788U JPH01146249U (en) | 1988-03-29 | 1988-03-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4125788U JPH01146249U (en) | 1988-03-29 | 1988-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01146249U true JPH01146249U (en) | 1989-10-09 |
Family
ID=31267697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4125788U Pending JPH01146249U (en) | 1988-03-29 | 1988-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01146249U (en) |
-
1988
- 1988-03-29 JP JP4125788U patent/JPH01146249U/ja active Pending
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