NL7207843A - - Google Patents
Info
- Publication number
- NL7207843A NL7207843A NL7207843A NL7207843A NL7207843A NL 7207843 A NL7207843 A NL 7207843A NL 7207843 A NL7207843 A NL 7207843A NL 7207843 A NL7207843 A NL 7207843A NL 7207843 A NL7207843 A NL 7207843A
- Authority
- NL
- Netherlands
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
- G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
- G03G15/0907—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush with bias voltage
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Developing For Electrophotography (AREA)
- Combination Of More Than One Step In Electrophotography (AREA)
- Color Electrophotography (AREA)
- Electrophotography Using Other Than Carlson'S Method (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00152138A US3805739A (en) | 1971-06-11 | 1971-06-11 | Controlling multiple voltage levels for electrostatic printing |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7207843A true NL7207843A (nl) | 1972-12-13 |
| NL170893B NL170893B (nl) | 1982-08-02 |
| NL170893C NL170893C (nl) | 1983-01-03 |
Family
ID=22541663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7207843,A NL170893C (nl) | 1971-06-11 | 1972-06-09 | Elektrostatische afdrukinrichting. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3805739A (nl) |
| CA (1) | CA972552A (nl) |
| DE (1) | DE2227709C3 (nl) |
| GB (1) | GB1382710A (nl) |
| NL (1) | NL170893C (nl) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5510070B2 (nl) * | 1973-05-10 | 1980-03-13 | ||
| US3901189A (en) * | 1974-01-28 | 1975-08-26 | Xerox Corp | Magnetic brush developing apparatus |
| USRE31964E (en) * | 1974-06-17 | 1985-08-06 | Savin Corporation | Automatic development electrode bias control system |
| US3996892A (en) * | 1975-02-24 | 1976-12-14 | Xerox Corporation | Spatially programmable electrode-type roll for electrostatographic processors and the like |
| US3981268A (en) * | 1975-06-11 | 1976-09-21 | Fuji Xerox Co., Ltd. | Device for controlling electric potential applied to developing electrode in an electrophotographic duplicator |
| US4149487A (en) * | 1977-08-30 | 1979-04-17 | Xerox Corporation | Xerographic machine with infinitely variable developer bias |
| JPS5497039A (en) * | 1978-01-17 | 1979-07-31 | Konishiroku Photo Ind Co Ltd | Bias voltage change-over circuit for image density control of copier |
| JPS5497038A (en) * | 1978-01-17 | 1979-07-31 | Konishiroku Photo Ind Co Ltd | Image density controller for zerographic copier |
| US4755850A (en) * | 1981-01-13 | 1988-07-05 | Canon Kabushiki Kaisha | Electrostatic recording apparatus including a controlled developer device |
| JPS5842070A (ja) * | 1981-09-08 | 1983-03-11 | Canon Inc | 画像形成装置 |
| NL8200825A (nl) * | 1982-03-02 | 1983-10-03 | Oce Nederland Bv | Elektrofotografisch kopieerapparaat. |
| US4500198A (en) * | 1982-12-10 | 1985-02-19 | International Business Machines Corporation | Multiple roller magnetic brush developer having development electrode voltage switching |
| US4496644A (en) * | 1983-02-28 | 1985-01-29 | Eastman Kodak Company | Electric field adjustment for magnetic brushes |
| JPH0690556B2 (ja) * | 1985-06-18 | 1994-11-14 | 富士通株式会社 | 電子写真式記録装置 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2890968A (en) * | 1955-06-02 | 1959-06-16 | Rca Corp | Electrostatic printing process and developer composition therefor |
| US3037478A (en) * | 1957-10-23 | 1962-06-05 | American Photocopy Equip Co | Apparatus for developing electrophotographic sheet |
| US3152012A (en) * | 1960-12-19 | 1964-10-06 | Ibm | Apparatus for the development of electrostatic images |
| GB1063203A (en) * | 1962-10-02 | 1967-03-30 | Australia Res Lab | Method of and means for the transfer of images |
| US3185051A (en) * | 1962-10-16 | 1965-05-25 | Xerox Corp | Xerographic method |
| US3219014A (en) * | 1962-12-04 | 1965-11-23 | Xerox Corp | Mechanical shield to protect magnetic core in xerographic developing apparatus |
| BE655347A (nl) * | 1963-11-05 | |||
| US3654893A (en) * | 1970-05-01 | 1972-04-11 | Eastman Kodak Co | Automatic bias control for electrostatic development |
-
1971
- 1971-06-11 US US00152138A patent/US3805739A/en not_active Expired - Lifetime
-
1972
- 1972-05-12 CA CA141,954A patent/CA972552A/en not_active Expired
- 1972-06-07 DE DE2227709A patent/DE2227709C3/de not_active Expired
- 1972-06-08 GB GB2675672A patent/GB1382710A/en not_active Expired
- 1972-06-09 NL NLAANVRAGE7207843,A patent/NL170893C/nl not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2227709B2 (de) | 1981-01-29 |
| NL170893B (nl) | 1982-08-02 |
| DE2227709A1 (de) | 1972-12-28 |
| DE2227709C3 (de) | 1981-09-17 |
| NL170893C (nl) | 1983-01-03 |
| US3805739A (en) | 1974-04-23 |
| GB1382710A (en) | 1975-02-05 |
| CA972552A (en) | 1975-08-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BC | A request for examination has been filed | ||
| V4 | Lapsed because of reaching the maximum lifetime of a patent |