JPH01169256U - - Google Patents
Info
- Publication number
- JPH01169256U JPH01169256U JP6636188U JP6636188U JPH01169256U JP H01169256 U JPH01169256 U JP H01169256U JP 6636188 U JP6636188 U JP 6636188U JP 6636188 U JP6636188 U JP 6636188U JP H01169256 U JPH01169256 U JP H01169256U
- Authority
- JP
- Japan
- Prior art keywords
- light source
- drive control
- start position
- stop position
- source drive
- 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
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
Description
第１図は本考案の一実施例に係る複写機用光源
駆動制御装置における光源の移動状況を示す概念
図、第２図は同光源駆動制御装置のブロツク図、
第３図は同光源駆動制御装置のフローチヤート、
第４図及び第５図はそれぞれ光源駆動用モータの
回転速度とコンデンサの充電電圧の時間的変化を
示すグラフである。
〔符号の説明〕、１……光源、２……ミラー、
３……レンズ、４……ミラー、５……感光体、Ｌ
……画像処理領域、Ｌ′……予備領域。
FIG. 1 is a conceptual diagram showing the movement status of a light source in a light source drive control device for a copying machine according to an embodiment of the present invention; FIG. 2 is a block diagram of the light source drive control device;
Figure 3 is a flowchart of the light source drive control device.
FIGS. 4 and 5 are graphs showing temporal changes in the rotational speed of the light source driving motor and the charging voltage of the capacitor, respectively. [Explanation of symbols], 1... light source, 2... mirror,
3...Lens, 4...Mirror, 5...Photoconductor, L
...Image processing area, L'...Preliminary area.
Claims (1)
置を経て画像処理領域を移動させ、原稿台上に載
置された原稿を露光走査する画像形成装置の光源
駆動制御装置において、 始動時に、上記光源を停止位置とスタート位置
との間で往復移動させた後、画像処理領域内へ移
動させるようにしたことを特徴とする光源駆動制
御装置。 (2) 自動露光モードによるプレスキヤンを行わ
ない時に、上記停止位置とスタート位置との間で
の光源の往復移動を行わせる請求項１記載の光源
駆動制御装置。[Scope of Claim for Utility Model Registration] (1) Light source drive control of an image forming apparatus that, when started, moves the light source from a stop position to a start position to move an image processing area to expose and scan a document placed on a document table. A light source drive control device, wherein the light source is moved back and forth between a stop position and a start position at startup, and then moved into an image processing area. (2) The light source drive control device according to claim 1, wherein the light source is caused to reciprocate between the stop position and the start position when pre-scanning in automatic exposure mode is not performed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6636188U JPH01169256U (en) | 1988-05-19 | 1988-05-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6636188U JPH01169256U (en) | 1988-05-19 | 1988-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01169256U true JPH01169256U (en) | 1989-11-29 |
Family
ID=31291768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6636188U Pending JPH01169256U (en) | 1988-05-19 | 1988-05-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01169256U (en) |
-
1988
- 1988-05-19 JP JP6636188U patent/JPH01169256U/ja active Pending
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