JPS5722268A - Exposure control device for copying machine - Google Patents
Exposure control device for copying machineInfo
- Publication number
- JPS5722268A JPS5722268A JP9722780A JP9722780A JPS5722268A JP S5722268 A JPS5722268 A JP S5722268A JP 9722780 A JP9722780 A JP 9722780A JP 9722780 A JP9722780 A JP 9722780A JP S5722268 A JPS5722268 A JP S5722268A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- voltage
- error
- output voltage
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
- G03G15/04036—Details of illuminating systems, e.g. lamps, reflectors
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
- G03G15/043—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for controlling illumination or exposure
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Control Of Exposure In Printing And Copying (AREA)
- Control Or Security For Electrophotography (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9722780A JPS5722268A (en) | 1980-07-16 | 1980-07-16 | Exposure control device for copying machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9722780A JPS5722268A (en) | 1980-07-16 | 1980-07-16 | Exposure control device for copying machine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5722268A true JPS5722268A (en) | 1982-02-05 |
JPS6310810B2 JPS6310810B2 (ja) | 1988-03-09 |
Family
ID=14186737
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9722780A Granted JPS5722268A (en) | 1980-07-16 | 1980-07-16 | Exposure control device for copying machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5722268A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6080834A (ja) * | 1983-10-07 | 1985-05-08 | Sharp Corp | 複写機の自動露光制御装置 |
-
1980
- 1980-07-16 JP JP9722780A patent/JPS5722268A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6080834A (ja) * | 1983-10-07 | 1985-05-08 | Sharp Corp | 複写機の自動露光制御装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS6310810B2 (ja) | 1988-03-09 |
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