GB1576348A - Apparatus and method for developing an electrostatic latent image - Google Patents
Apparatus and method for developing an electrostatic latent image Download PDFInfo
- Publication number
- GB1576348A GB1576348A GB17045/77A GB1704577A GB1576348A GB 1576348 A GB1576348 A GB 1576348A GB 17045/77 A GB17045/77 A GB 17045/77A GB 1704577 A GB1704577 A GB 1704577A GB 1576348 A GB1576348 A GB 1576348A
- Authority
- GB
- United Kingdom
- Prior art keywords
- charge
- latent image
- area
- depositing
- areas
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims description 31
- 238000000151 deposition Methods 0.000 claims description 29
- 108091008695 photoreceptors Proteins 0.000 claims description 26
- 238000011161 development Methods 0.000 claims description 12
- 230000008021 deposition Effects 0.000 claims description 6
- 238000012546 transfer Methods 0.000 description 16
- 239000000843 powder Substances 0.000 description 11
- 230000033458 reproduction Effects 0.000 description 10
- 238000012937 correction Methods 0.000 description 7
- 239000007787 solid Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 239000011324 bead Substances 0.000 description 4
- 238000005286 illumination Methods 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000007723 transport mechanism Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000003851 corona treatment Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000032258 transport Effects 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
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/065—Arrangements for controlling the potential of the developing electrode
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Or Security For Electrophotography (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
- Dry Development In Electrophotography (AREA)
- Magnetic Brush Developing In Electrophotography (AREA)
- Developing For Electrophotography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/682,238 US4038544A (en) | 1976-05-03 | 1976-05-03 | Apparatus and method for developing an electrostatic latent image |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1576348A true GB1576348A (en) | 1980-10-08 |
Family
ID=24738815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB17045/77A Expired GB1576348A (en) | 1976-05-03 | 1977-04-25 | Apparatus and method for developing an electrostatic latent image |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4038544A (enExample) |
| JP (1) | JPS6021383B2 (enExample) |
| CA (1) | CA1073279A (enExample) |
| DE (1) | DE2711499C2 (enExample) |
| FR (1) | FR2350629A1 (enExample) |
| GB (1) | GB1576348A (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4265998A (en) * | 1979-11-13 | 1981-05-05 | International Business Machines Corporation | Electrophotographic photoreceptive background areas cleaned by backcharge process |
| CA1171130A (en) * | 1981-02-18 | 1984-07-17 | Shigemichi Honda | Electrostatic printing apparatus |
| US4450216A (en) * | 1982-11-22 | 1984-05-22 | Eastman Kodak Company | Method for improving the sensitometric response of a persistently conductive photoreceptor |
| JPS59101657A (ja) * | 1982-12-02 | 1984-06-12 | Minolta Camera Co Ltd | ２色画像形成方法 |
| JPS61179428A (ja) * | 1985-02-05 | 1986-08-12 | Canon Inc | 画像形成装置 |
| SE511822C2 (sv) | 1996-11-13 | 1999-11-29 | Svante Bjoerk Ab | Anordning och metod för att markera defekter på en transparent remsa |
| KR100285750B1 (ko) * | 1998-08-14 | 2001-05-02 | 윤종용 | 화상형성장치의 엔진유니트 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE675325A (enExample) * | 1965-01-21 | 1966-05-16 | ||
| US3615395A (en) * | 1966-09-28 | 1971-10-26 | Canon Camera Co | Electrostatic and electrophotographic variable contrast image-forming methods |
| US3901189A (en) * | 1974-01-28 | 1975-08-26 | Xerox Corp | Magnetic brush developing apparatus |
| US3984182A (en) * | 1974-02-07 | 1976-10-05 | Xerox Corporation | Pretransfer conditioning for electrostatic printing |
-
1976
- 1976-05-03 US US05/682,238 patent/US4038544A/en not_active Expired - Lifetime
-
1977
- 1977-02-23 CA CA272,424A patent/CA1073279A/en not_active Expired
- 1977-03-16 DE DE2711499A patent/DE2711499C2/de not_active Expired
- 1977-04-25 GB GB17045/77A patent/GB1576348A/en not_active Expired
- 1977-04-26 JP JP52049031A patent/JPS6021383B2/ja not_active Expired
- 1977-05-03 FR FR7713418A patent/FR2350629A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2350629B1 (enExample) | 1981-08-28 |
| DE2711499A1 (de) | 1977-11-24 |
| US4038544A (en) | 1977-07-26 |
| JPS52134437A (en) | 1977-11-10 |
| FR2350629A1 (fr) | 1977-12-02 |
| DE2711499C2 (de) | 1986-09-04 |
| CA1073279A (en) | 1980-03-11 |
| JPS6021383B2 (ja) | 1985-05-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| 746 | Register noted 'licences of right' (sect. 46/1977) | ||
| PCNP | Patent ceased through non-payment of renewal fee |