JPH0247660U - - Google Patents
Info
- Publication number
- JPH0247660U JPH0247660U JP12751988U JP12751988U JPH0247660U JP H0247660 U JPH0247660 U JP H0247660U JP 12751988 U JP12751988 U JP 12751988U JP 12751988 U JP12751988 U JP 12751988U JP H0247660 U JPH0247660 U JP H0247660U
- Authority
- JP
- Japan
- Prior art keywords
- reflective
- detection sensor
- dirt
- detects
- control device
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 238000003708 edge detection Methods 0.000 description 1
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
- Control Of Exposure In Printing And Copying (AREA)
Description
第１図は本考案の一実施例を施した反射式電子
写真記録装置の概略正面図、第２図は第１図の要
部斜視図、第３図は本考案の動作フローチヤート
である。
７……搬送ベルト、１０……先端検知センサー
、１０ａ……原稿材質検知センサー、１１……原
稿、１２……露光ユニツト。
FIG. 1 is a schematic front view of a reflection type electrophotographic recording apparatus according to an embodiment of the present invention, FIG. 2 is a perspective view of the main part of FIG. 1, and FIG. 3 is a flowchart of the operation of the present invention. 7... Conveyor belt, 10... Lead edge detection sensor, 10a... Document material detection sensor, 11... Document, 12... Exposure unit.
Claims (1)
ー及び搬送ベルトの汚れの度合を検知する反射式
検知センサーを設け、両センサーの出力信号によ
り露光ユニツトの露光量を制御する如くなした反
射式電子写真記録装置の露光量自動制御装置。 搬送ベルトの反射式検知センサーにより搬送
ベルトの汚れを表示する如くした実用新案登録請
求の範囲第１項記載の反射式電子写真記録装置の
露光量自動制御装置。[Scope of Claim for Utility Model Registration] A material detection sensor that detects the amount of light transmitted through the document and a reflective detection sensor that detects the degree of dirt on the conveyor belt are provided, and the exposure amount of the exposure unit is controlled by the output signals of both sensors. An automatic exposure control device for a reflective electrophotographic recording device. An automatic exposure amount control device for a reflective electrophotographic recording apparatus according to claim 1, wherein dirt on the conveying belt is indicated by a reflective detection sensor on the conveying belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12751988U JPH0247660U (en) | 1988-09-29 | 1988-09-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12751988U JPH0247660U (en) | 1988-09-29 | 1988-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0247660U true JPH0247660U (en) | 1990-03-30 |
Family
ID=31380026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12751988U Pending JPH0247660U (en) | 1988-09-29 | 1988-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0247660U (en) |
-
1988
- 1988-09-29 JP JP12751988U patent/JPH0247660U/ja active Pending