DE2920464C2 - - Google Patents
Info
- Publication number
- DE2920464C2 DE2920464C2 DE2920464A DE2920464A DE2920464C2 DE 2920464 C2 DE2920464 C2 DE 2920464C2 DE 2920464 A DE2920464 A DE 2920464A DE 2920464 A DE2920464 A DE 2920464A DE 2920464 C2 DE2920464 C2 DE 2920464C2
- Authority
- DE
- Germany
- Prior art keywords
- potential
- image
- charge image
- drum
- devices
- 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 - Fee Related
Links
- 230000000873 masking effect Effects 0.000 claims description 21
- 239000002245 particle Substances 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 15
- 230000003287 optical effect Effects 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 230000008021 deposition Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 9
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 8
- 229910052711 selenium Inorganic materials 0.000 description 8
- 239000011669 selenium Substances 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 206010034972 Photosensitivity reaction Diseases 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000036211 photosensitivity Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- 241000013783 Brachystelma Species 0.000 description 1
- 231100000681 Certain safety factor Toxicity 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 101150049168 Nisch gene Proteins 0.000 description 1
- 235000010678 Paulownia tomentosa Nutrition 0.000 description 1
- 240000002834 Paulownia tomentosa Species 0.000 description 1
- 206010034960 Photophobia Diseases 0.000 description 1
- 241000949477 Toona ciliata Species 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000007786 electrostatic charging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 208000013469 light sensitivity Diseases 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 235000021395 porridge Nutrition 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electrophotography Using Other Than Carlson'S Method (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Wet Developing In Electrophotography (AREA)
- Photoreceptors In Electrophotography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US90835578A | 1978-05-22 | 1978-05-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2920464A1 DE2920464A1 (de) | 1979-11-29 |
| DE2920464C2 true DE2920464C2 (enrdf_load_stackoverflow) | 1990-03-08 |
Family
ID=25425651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19792920464 Granted DE2920464A1 (de) | 1978-05-22 | 1979-05-21 | Elektrofotographisches kopierverfahren und kopiergeraet zur durchfuehrung des verfahrens |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS554084A (enrdf_load_stackoverflow) |
| CA (1) | CA1129481A (enrdf_load_stackoverflow) |
| DE (1) | DE2920464A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2426930A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2021284B (enrdf_load_stackoverflow) |
| IT (1) | IT1166754B (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10301735A1 (de) * | 2003-01-18 | 2004-08-05 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Verfahren und Vorrichtung zur Dosierung mikroskaliger Partikel |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4278884A (en) * | 1978-11-09 | 1981-07-14 | Savin Corporation | Method and apparatus for xeroradiography |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2219005A1 (de) * | 1971-04-20 | 1972-12-21 | Iwatsuki Koki Co Ltd | Entwicklungsverfahren zur Verwendung bei Elektrophotographie |
| US3914609A (en) * | 1974-03-04 | 1975-10-21 | Xerox Corp | Signal amplification by illumination of a partially developed latent electrostatic image |
-
1979
- 1979-04-02 CA CA324,587A patent/CA1129481A/en not_active Expired
- 1979-04-04 GB GB7911785A patent/GB2021284B/en not_active Expired
- 1979-04-19 IT IT22017/79A patent/IT1166754B/it active
- 1979-05-09 JP JP5580179A patent/JPS554084A/ja active Granted
- 1979-05-15 FR FR7912355A patent/FR2426930A1/fr active Granted
- 1979-05-21 DE DE19792920464 patent/DE2920464A1/de active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10301735A1 (de) * | 2003-01-18 | 2004-08-05 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Verfahren und Vorrichtung zur Dosierung mikroskaliger Partikel |
| DE10301735B4 (de) * | 2003-01-18 | 2007-01-18 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Verfahren und Vorrichtung zur Dosierung mikroskaliger Partikel |
Also Published As
| Publication number | Publication date |
|---|---|
| IT7922017A0 (it) | 1979-04-19 |
| FR2426930B1 (enrdf_load_stackoverflow) | 1985-04-05 |
| FR2426930A1 (fr) | 1979-12-21 |
| CA1129481A (en) | 1982-08-10 |
| JPS6251466B2 (enrdf_load_stackoverflow) | 1987-10-30 |
| JPS554084A (en) | 1980-01-12 |
| IT1166754B (it) | 1987-05-06 |
| GB2021284B (en) | 1982-08-04 |
| DE2920464A1 (de) | 1979-11-29 |
| GB2021284A (en) | 1979-11-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: SAVIN CORP., STAMFORD, CONN., US |
|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |