GB1603800A - Copying or printing apparatus - Google Patents
Copying or printing apparatus Download PDFInfo
- Publication number
- GB1603800A GB1603800A GB4028780A GB4028780A GB1603800A GB 1603800 A GB1603800 A GB 1603800A GB 4028780 A GB4028780 A GB 4028780A GB 4028780 A GB4028780 A GB 4028780A GB 1603800 A GB1603800 A GB 1603800A
- Authority
- GB
- United Kingdom
- Prior art keywords
- latent image
- image
- image forming
- voltage
- electrostatic latent
- 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
- 238000001514 detection method Methods 0.000 claims description 54
- 238000000034 method Methods 0.000 claims description 51
- 230000015572 biosynthetic process Effects 0.000 claims description 49
- 230000008569 process Effects 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 5
- 230000002159 abnormal effect Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 claims 3
- 239000003990 capacitor Substances 0.000 description 41
- 230000014759 maintenance of location Effects 0.000 description 35
- 238000012546 transfer Methods 0.000 description 28
- 239000000523 sample Substances 0.000 description 21
- 238000010276 construction Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 15
- 239000000463 material Substances 0.000 description 15
- 230000001276 controlling effect Effects 0.000 description 14
- 230000002441 reversible effect Effects 0.000 description 13
- 230000008859 change Effects 0.000 description 11
- 238000011161 development Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- 238000004804 winding Methods 0.000 description 6
- 230000010354 integration Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 230000002829 reductive effect Effects 0.000 description 5
- 238000005070 sampling Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 238000012937 correction Methods 0.000 description 4
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- 230000006866 deterioration Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000011669 selenium Substances 0.000 description 3
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910052711 selenium Inorganic materials 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 description 1
- 229910007541 Zn O Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 229910052980 cadmium sulfide Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- -1 charged toner Substances 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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- 230000000630 rising effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- 239000011787 zinc oxide Substances 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
- G03G15/05—Apparatus for electrographic processes using a charge pattern for imagewise charging, e.g. photoconductive control screen, optically activated charging means
- G03G15/051—Apparatus for electrographic processes using a charge pattern for imagewise charging, e.g. photoconductive control screen, optically activated charging means by modulating an ion flow through a photoconductive screen onto which a charge image has been formed
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Or Security For Electrophotography (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3384177A JPS53119039A (en) | 1977-03-26 | 1977-03-26 | Forming method of image |
| JP3383977A JPS53119037A (en) | 1977-03-26 | 1977-03-26 | Forming method of image |
| JP52033840A JPS6016624B2 (ja) | 1977-03-26 | 1977-03-26 | 画像形成方法 |
| JP4824377A JPS53133036A (en) | 1977-04-26 | 1977-04-26 | Image forming method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1603800A true GB1603800A (en) | 1981-11-25 |
Family
ID=27459849
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4028780A Expired GB1603800A (en) | 1977-03-26 | 1978-03-22 | Copying or printing apparatus |
| GB1142578A Expired GB1603181A (en) | 1977-03-26 | 1978-03-22 | Copying or printing apparatus |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1142578A Expired GB1603181A (en) | 1977-03-26 | 1978-03-22 | Copying or printing apparatus |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2812970A1 (en, 2012) |
| FR (1) | FR2395532B1 (en, 2012) |
| GB (2) | GB1603800A (en, 2012) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2063158B (en) * | 1979-11-16 | 1983-08-10 | Gestetner Mfg Ltd | Copying method and apparatus |
| JPS5773758A (en) * | 1980-10-24 | 1982-05-08 | Canon Inc | Protector for screen-shaped photoreceptor |
| US4526850A (en) * | 1983-06-27 | 1985-07-02 | Photon Chroma, Inc. | Diode bias electrophotographic toning system and method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3680954A (en) * | 1965-04-30 | 1972-08-01 | Eastman Kodak Co | Electrography |
| US3881921A (en) * | 1971-10-01 | 1975-05-06 | Eastman Kodak Co | Electrophotographic process employing image and control grid means |
| US3788739A (en) * | 1972-06-21 | 1974-01-29 | Xerox Corp | Image compensation method and apparatus for electrophotographic devices |
| US3864035A (en) * | 1973-09-14 | 1975-02-04 | Coulter Information Systems | Shutterless camera system |
| US3986871A (en) * | 1973-12-12 | 1976-10-19 | Addressograph-Multigraph Corporation | Charged particle modulator device and improved imaging methods for use thereof |
| JPS5441502B2 (en, 2012) * | 1974-10-21 | 1979-12-08 | ||
| AU499872B2 (en) * | 1974-10-23 | 1979-05-03 | Coulter Systems Corporation | Multiple copy electrography |
| JPS5160527A (en) * | 1974-11-22 | 1976-05-26 | Canon Kk | Gazokeiseiho oyobi sochi |
-
1978
- 1978-03-22 GB GB4028780A patent/GB1603800A/en not_active Expired
- 1978-03-22 GB GB1142578A patent/GB1603181A/en not_active Expired
- 1978-03-23 DE DE19782812970 patent/DE2812970A1/de active Granted
- 1978-03-24 FR FR7808802A patent/FR2395532B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2812970C2 (en, 2012) | 1990-08-02 |
| DE2812970A1 (de) | 1978-10-05 |
| GB1603181A (en) | 1981-11-18 |
| FR2395532B1 (fr) | 1986-11-21 |
| FR2395532A1 (fr) | 1979-01-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PE20 | Patent expired after termination of 20 years |
Effective date: 19980321 |