JPS56155961A - Exposure controller of copying machine - Google Patents
Exposure controller of copying machineInfo
- Publication number
- JPS56155961A JPS56155961A JP5942880A JP5942880A JPS56155961A JP S56155961 A JPS56155961 A JP S56155961A JP 5942880 A JP5942880 A JP 5942880A JP 5942880 A JP5942880 A JP 5942880A JP S56155961 A JPS56155961 A JP S56155961A
- Authority
- JP
- Japan
- Prior art keywords
- drum
- potential
- exposure
- microcomputer
- surface potential
- 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
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
- G03G15/043—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 Or Security For Electrophotography (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5942880A JPS56155961A (en) | 1980-05-07 | 1980-05-07 | Exposure controller of copying machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5942880A JPS56155961A (en) | 1980-05-07 | 1980-05-07 | Exposure controller of copying machine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56155961A true JPS56155961A (en) | 1981-12-02 |
Family
ID=13112974
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5942880A Pending JPS56155961A (en) | 1980-05-07 | 1980-05-07 | Exposure controller of copying machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56155961A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58224355A (ja) * | 1982-06-24 | 1983-12-26 | Ricoh Co Ltd | 電子写真複写機の感光体表面電位補正方法 |
US4502777A (en) * | 1981-05-02 | 1985-03-05 | Minolta Camera Kabushiki Kaisha | Transfer type electrophotographic copying apparatus with substantially constant potential control of photosensitive member surface |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5349436A (en) * | 1976-10-18 | 1978-05-04 | Ricoh Co Ltd | Picture density control method for electronic copier |
JPS54150126A (en) * | 1978-05-12 | 1979-11-26 | Agfa Gevaert Ag | Diaphragm shutter for photographic camera |
-
1980
- 1980-05-07 JP JP5942880A patent/JPS56155961A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5349436A (en) * | 1976-10-18 | 1978-05-04 | Ricoh Co Ltd | Picture density control method for electronic copier |
JPS54150126A (en) * | 1978-05-12 | 1979-11-26 | Agfa Gevaert Ag | Diaphragm shutter for photographic camera |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4502777A (en) * | 1981-05-02 | 1985-03-05 | Minolta Camera Kabushiki Kaisha | Transfer type electrophotographic copying apparatus with substantially constant potential control of photosensitive member surface |
JPS58224355A (ja) * | 1982-06-24 | 1983-12-26 | Ricoh Co Ltd | 電子写真複写機の感光体表面電位補正方法 |
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