JPS5499632A - Image adjusting method of copying machines - Google Patents
Image adjusting method of copying machinesInfo
- Publication number
- JPS5499632A JPS5499632A JP632678A JP632678A JPS5499632A JP S5499632 A JPS5499632 A JP S5499632A JP 632678 A JP632678 A JP 632678A JP 632678 A JP632678 A JP 632678A JP S5499632 A JPS5499632 A JP S5499632A
- Authority
- JP
- Japan
- Prior art keywords
- light
- regulating member
- copying
- detected
- exposure
- 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
- 230000001105 regulatory effect Effects 0.000 abstract 5
- 230000001276 controlling effect Effects 0.000 abstract 3
- 230000003287 optical effect Effects 0.000 abstract 1
- 108091008695 photoreceptors Proteins 0.000 abstract 1
Landscapes
- Developing For Electrophotography (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Control Or Security For Electrophotography (AREA)
Abstract
PURPOSE:To achieve the improvement in quality by performing development bias voltage controlling concerning the latent images having been formed photoreceptor at the detecting of the ground density of the original and performing exposure controlling concerning with the subsequent latent images. CONSTITUTION:At the copying of the first sheet, the quantity of light obtainable in correspondence to the ground density of the original from said original is detected with a light quantity detector 8 and is transmitted to a voltage regulating member 11 by way of a control member 12. The voltage regulating member 11 applies a development bias voltage corresponding to the detected quantity of light to a developing part 4 perform bias voltage controlling of the latent images. At the copying of the second sheet, the detected quantity of light having been detected for copying the first sheet is transmitted to an exposure regulating member 9 via control member 12 and the exposure regulating member 9 regulates the optical path so that the exposure of the second and subsequent sheets becomes the detected quantity of light. On the other hand, the voltage regulating member 11 sets the development bias voltage adapted to the developing part 4 at a preset constant voltage, then the copying of the second and subsequent sheets forms superior images.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP632678A JPS5499632A (en) | 1978-01-24 | 1978-01-24 | Image adjusting method of copying machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP632678A JPS5499632A (en) | 1978-01-24 | 1978-01-24 | Image adjusting method of copying machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5499632A true JPS5499632A (en) | 1979-08-06 |
Family
ID=11635233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP632678A Pending JPS5499632A (en) | 1978-01-24 | 1978-01-24 | Image adjusting method of copying machines |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5499632A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57181568A (en) * | 1981-05-02 | 1982-11-09 | Minolta Camera Co Ltd | Electrophotographic copying machine |
| US4390266A (en) * | 1980-02-07 | 1983-06-28 | Tokyo Shibaura Denki Kabushiki Kaisha | Exposure apparatus for electronic duplicator |
| JPS6010267A (en) * | 1983-06-30 | 1985-01-19 | Canon Inc | Image processor |
| JPS6010269A (en) * | 1983-06-30 | 1985-01-19 | Canon Inc | Image processor |
| JPS6010268A (en) * | 1983-06-30 | 1985-01-19 | Canon Inc | Image processor |
| JPS6035751A (en) * | 1983-08-06 | 1985-02-23 | Canon Inc | Image control device |
-
1978
- 1978-01-24 JP JP632678A patent/JPS5499632A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4390266A (en) * | 1980-02-07 | 1983-06-28 | Tokyo Shibaura Denki Kabushiki Kaisha | Exposure apparatus for electronic duplicator |
| JPS57181568A (en) * | 1981-05-02 | 1982-11-09 | Minolta Camera Co Ltd | Electrophotographic copying machine |
| JPH031664B2 (en) * | 1981-05-02 | 1991-01-11 | Minolta Camera Kk | |
| JPS6010267A (en) * | 1983-06-30 | 1985-01-19 | Canon Inc | Image processor |
| JPS6010269A (en) * | 1983-06-30 | 1985-01-19 | Canon Inc | Image processor |
| JPS6010268A (en) * | 1983-06-30 | 1985-01-19 | Canon Inc | Image processor |
| JPH0532748B2 (en) * | 1983-06-30 | 1993-05-17 | Canon Kk | |
| JPH0555868B2 (en) * | 1983-06-30 | 1993-08-18 | Canon Kk | |
| JPH0555867B2 (en) * | 1983-06-30 | 1993-08-18 | Canon Kk | |
| JPS6035751A (en) * | 1983-08-06 | 1985-02-23 | Canon Inc | Image control device |
| JPH0555872B2 (en) * | 1983-08-06 | 1993-08-18 | Canon Kk |
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