DE3738635A1 - Elektrofotografisches kopiergeraet - Google Patents
Elektrofotografisches kopiergeraetInfo
- Publication number
- DE3738635A1 DE3738635A1 DE19873738635 DE3738635A DE3738635A1 DE 3738635 A1 DE3738635 A1 DE 3738635A1 DE 19873738635 DE19873738635 DE 19873738635 DE 3738635 A DE3738635 A DE 3738635A DE 3738635 A1 DE3738635 A1 DE 3738635A1
- Authority
- DE
- Germany
- Prior art keywords
- image
- mode
- latent electrostatic
- latent
- electrostatic image
- 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
- 238000011161 development Methods 0.000 claims description 80
- 238000003384 imaging method Methods 0.000 claims description 34
- 238000012546 transfer Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 38
- 230000008569 process Effects 0.000 description 26
- 239000003550 marker Substances 0.000 description 14
- 230000003068 static effect Effects 0.000 description 14
- 150000002500 ions Chemical class 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 8
- 238000005259 measurement Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 238000012217 deletion Methods 0.000 description 5
- 230000037430 deletion Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000003909 pattern recognition Methods 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
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
- G03G15/045—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 charging or discharging distinct portions of the charge pattern on the recording material, e.g. for contrast enhancement or discharging non-image areas
-
- 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
- G03G15/04027—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 and forming half-tone image
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
- Color Electrophotography (AREA)
- Control Or Security For Electrophotography (AREA)
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27060286A JPS63124062A (ja) | 1986-11-13 | 1986-11-13 | 電子写真複写装置 |
| JP61270601A JPS63124061A (ja) | 1986-11-13 | 1986-11-13 | 電子写真複写装置 |
| JP61270603A JPS63124063A (ja) | 1986-11-13 | 1986-11-13 | 電子写真複写装置 |
| JP61270600A JPS63124060A (ja) | 1986-11-13 | 1986-11-13 | 電子写真複写装置 |
| JP62197026A JPS6440859A (en) | 1987-08-06 | 1987-08-06 | Electrophotographic copying device |
| JP19702487A JPS6440857A (en) | 1987-08-06 | 1987-08-06 | Electrophotographic copying device |
| JP62197025A JPS6440858A (en) | 1987-08-06 | 1987-08-06 | Electrophotographic copying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3738635A1 true DE3738635A1 (de) | 1988-05-26 |
| DE3738635C2 DE3738635C2 (enExample) | 1990-06-07 |
Family
ID=27566484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19873738635 Granted DE3738635A1 (de) | 1986-11-13 | 1987-11-13 | Elektrofotografisches kopiergeraet |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4835566A (enExample) |
| DE (1) | DE3738635A1 (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3837064A1 (de) * | 1987-10-31 | 1989-05-18 | Minolta Camera Kk | Kopiergeraet |
| DE3918960A1 (de) * | 1988-06-10 | 1989-12-14 | Ricoh Kk | Tonerpatrone fuer eine bilderzeugungseinrichtung |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4912507A (en) * | 1987-09-21 | 1990-03-27 | Minolta Camera Kabushiki Kaisha | Electrophotographic copying apparatus for forming an image without any unnecessary shadow region |
| US4937627A (en) * | 1988-01-13 | 1990-06-26 | Minolta Camera Kabushiki Kaisha | Image forming apparatus having toner replenishing device interchangeable with a developing unit |
| US5385801A (en) * | 1990-07-12 | 1995-01-31 | Minolta Camera Kabushiki Kaisha | Method of developing electrostatic latent image |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4562130A (en) * | 1982-09-28 | 1985-12-31 | Minolta Camera Kabushiki Kaisha | Method of forming composite images |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3960445A (en) * | 1974-02-13 | 1976-06-01 | Xerox Corporation | Color highlighting electrophotographic printing machine |
| US3967891A (en) * | 1975-04-14 | 1976-07-06 | Xerox Corporation | Imaging system for electrostatic reproduction machines |
| JPS51134635A (en) * | 1975-05-16 | 1976-11-22 | Minolta Camera Co Ltd | Contour line describing method for electro-photography |
| US4014607A (en) * | 1976-03-03 | 1977-03-29 | Xerox Corporation | Removable screening system for a transparency reproduction machine |
| JPS5430833A (en) * | 1977-08-12 | 1979-03-07 | Canon Inc | Electrophotographic method |
| DE2839076C3 (de) * | 1977-09-09 | 1998-01-29 | Canon Kk | Kopiergerät |
| JPS5911113B2 (ja) * | 1979-04-20 | 1984-03-13 | 富士通株式会社 | 電子写真式記録装置 |
| GB2075224B (en) * | 1980-03-13 | 1984-11-07 | Canon Kk | Potential control in electrophotographic process |
| JPS57137239A (en) * | 1981-02-17 | 1982-08-24 | Minolta Camera Co Ltd | Automatic paper feeder of copying machine etc. |
| JPS57202569A (en) * | 1981-06-08 | 1982-12-11 | Minolta Camera Co Ltd | Electrophotographic copier |
| JPS58109761U (ja) * | 1982-01-22 | 1983-07-26 | ミノルタ株式会社 | トナ−飛散防止装置 |
| JPS59155879A (ja) * | 1983-02-25 | 1984-09-05 | Fuji Xerox Co Ltd | 静電荷除去装置 |
| EP0154042B1 (en) * | 1984-02-28 | 1988-05-04 | Agfa-Gevaert N.V. | Improvements relating to the production of developed electrostatic images |
| US4618249A (en) * | 1985-06-10 | 1986-10-21 | Eastman Kodak Company | Corona-charging apparatus |
| JPH0722675Y2 (ja) * | 1986-07-17 | 1995-05-24 | 三洋電機株式会社 | 電子写真装置 |
-
1987
- 1987-11-12 US US07/119,833 patent/US4835566A/en not_active Expired - Fee Related
- 1987-11-13 DE DE19873738635 patent/DE3738635A1/de active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4562130A (en) * | 1982-09-28 | 1985-12-31 | Minolta Camera Kabushiki Kaisha | Method of forming composite images |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3837064A1 (de) * | 1987-10-31 | 1989-05-18 | Minolta Camera Kk | Kopiergeraet |
| DE3918960A1 (de) * | 1988-06-10 | 1989-12-14 | Ricoh Kk | Tonerpatrone fuer eine bilderzeugungseinrichtung |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3738635C2 (enExample) | 1990-06-07 |
| US4835566A (en) | 1989-05-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |