FR2299669B1 - - Google Patents
Info
- Publication number
- FR2299669B1 FR2299669B1 FR7540226A FR7540226A FR2299669B1 FR 2299669 B1 FR2299669 B1 FR 2299669B1 FR 7540226 A FR7540226 A FR 7540226A FR 7540226 A FR7540226 A FR 7540226A FR 2299669 B1 FR2299669 B1 FR 2299669B1
- Authority
- FR
- France
- 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
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
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
- G03G15/0818—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the structure of the donor member, e.g. surface properties
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
- Developing Agents For Electrophotography (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/546,589 US3998185A (en) | 1975-02-03 | 1975-02-03 | Microfield donors with toner agitation and the methods for their manufacture |
| US05/546,588 US3999515A (en) | 1975-02-03 | 1975-02-03 | Self-spacing microfield donors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2299669A1 FR2299669A1 (fr) | 1976-08-27 |
| FR2299669B1 true FR2299669B1 (cs) | 1982-08-27 |
Family
ID=27068294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7540226A Granted FR2299669A1 (fr) | 1975-02-03 | 1975-12-31 | Donneur xerographique a micro-champs et procede pour transporter des particules de toner chargees |
Country Status (4)
| Country | Link |
|---|---|
| CA (1) | CA1066042A (cs) |
| FR (1) | FR2299669A1 (cs) |
| GB (1) | GB1515938A (cs) |
| NL (1) | NL7515147A (cs) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4445771A (en) * | 1980-12-05 | 1984-05-01 | Ricoh Company, Ltd. | Developing apparatus for electrostatic photography |
| FR2653241B1 (fr) * | 1989-10-13 | 1994-03-11 | Ricoh Cy Ltd | Procede de developpement et appareil associe utilisant un support de revelateur qui peut former des micro-champs a sa surface. |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3696783A (en) * | 1970-12-15 | 1972-10-10 | Xerox Corp | Automated touchdown developement system |
| US3759222A (en) * | 1971-03-04 | 1973-09-18 | Xerox Corp | Microfield donor with continuously reversing microfields |
| DE2250703A1 (de) * | 1971-12-24 | 1974-04-18 | Kalle Ag | Elektrofotografisches geraet mit entwickelelektrode |
| US3854449A (en) * | 1972-05-22 | 1974-12-17 | Xerox Corp | Development apparatus |
| GB1458766A (en) * | 1973-02-15 | 1976-12-15 | Xerox Corp | Xerographic developing apparatus |
-
1975
- 1975-12-04 CA CA241,041A patent/CA1066042A/en not_active Expired
- 1975-12-09 GB GB5041675A patent/GB1515938A/en not_active Expired
- 1975-12-29 NL NL7515147A patent/NL7515147A/xx not_active Application Discontinuation
- 1975-12-31 FR FR7540226A patent/FR2299669A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| NL7515147A (nl) | 1976-06-30 |
| CA1066042A (en) | 1979-11-13 |
| FR2299669A1 (fr) | 1976-08-27 |
| GB1515938A (en) | 1978-06-28 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |