BE841666A - Dispositif de developpement pour une machine a photocopier electrostatique - Google Patents
Dispositif de developpement pour une machine a photocopier electrostatiqueInfo
- Publication number
- BE841666A BE841666A BE166905A BE166909A BE841666A BE 841666 A BE841666 A BE 841666A BE 166905 A BE166905 A BE 166905A BE 166909 A BE166909 A BE 166909A BE 841666 A BE841666 A BE 841666A
- Authority
- BE
- Belgium
- Prior art keywords
- copying machine
- development device
- electrostatic copying
- electrostatic
- development
- Prior art date
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
- G03G15/065—Arrangements for controlling the potential of the developing electrode
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Developing For Electrophotography (AREA)
- Wet Developing In Electrophotography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/579,330 US3981267A (en) | 1975-05-20 | 1975-05-20 | Electrophotographic liquid developing system |
Publications (1)
Publication Number | Publication Date |
---|---|
BE841666A true BE841666A (fr) | 1976-09-01 |
Family
ID=24316465
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE166905A BE841666A (fr) | 1975-05-20 | 1976-05-10 | Dispositif de developpement pour une machine a photocopier electrostatique |
Country Status (7)
Country | Link |
---|---|
US (1) | US3981267A (fr) |
JP (1) | JPS599908B2 (fr) |
BE (1) | BE841666A (fr) |
CA (1) | CA1088738A (fr) |
DE (1) | DE2621861C2 (fr) |
FR (1) | FR2312050A1 (fr) |
GB (1) | GB1496462A (fr) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2550846C2 (de) * | 1974-11-12 | 1983-11-17 | Ricoh Co., Ltd., Tokyo | Entwicklungseinrichtung für ein elektrophotographisches Kopiergerät |
JPS5911106B2 (ja) * | 1975-04-04 | 1984-03-13 | 株式会社リコー | オ−トバイアス現像方法 |
JPS5815789B2 (ja) * | 1975-10-01 | 1983-03-28 | 株式会社リコー | デンシシヤシンフクシヤキニオケル オ−トバイアスゲンゾウホウホウ |
JPS6044653B2 (ja) * | 1976-05-17 | 1985-10-04 | 株式会社リコー | 現像バイアス自動制御方法及びその装置 |
DE2651646C3 (de) * | 1976-11-12 | 1984-01-05 | Hoechst Ag, 6230 Frankfurt | Vorrichtung zum Entwickeln von latenten elektrostatischen Ladungsbildern |
GB1561923A (en) * | 1976-12-31 | 1980-03-05 | Xerox Corp | Control system for an electrostatogrophic copying machine |
JPS5497039A (en) * | 1978-01-17 | 1979-07-31 | Konishiroku Photo Ind Co Ltd | Bias voltage change-over circuit for image density control of copier |
GB2041790B (en) * | 1979-02-23 | 1983-07-27 | Savin Corp | Liquid development of electrostatic images |
JPS6053478A (ja) * | 1983-09-05 | 1985-03-27 | ヤマハ発動機株式会社 | 自動二輪車等の車高検出機構 |
DE3334807A1 (de) * | 1983-09-26 | 1985-04-11 | Hoechst Ag, 6230 Frankfurt | Spritzschutzvorrichtung fuer ein elektrofotografisches kopiergeraet |
JPS61132970A (ja) * | 1984-12-03 | 1986-06-20 | Olympus Optical Co Ltd | 複写装置 |
JPS622491U (fr) * | 1985-06-21 | 1987-01-09 | ||
US4860924A (en) * | 1986-02-14 | 1989-08-29 | Savin Corporation | Liquid developer charge director control |
JPH0830921B2 (ja) * | 1986-02-14 | 1996-03-27 | スペクトラム、サイエンセズ、ベーヴェー | 液体現像剤のチヤ−ジデイレクタの制御 |
US5243391A (en) * | 1992-05-01 | 1993-09-07 | Printware, Inc. | Varying an electric field, during development of a latent electrostatic image with developer solution, in proportion to a sensed concentration of toner that is within the developer solution |
KR100636233B1 (ko) * | 2005-05-13 | 2006-10-19 | 삼성전자주식회사 | 고압절환장치 및 이를 채용한 멀티패스방식 화상형성장치 |
WO2023200424A1 (fr) * | 2022-04-11 | 2023-10-19 | Hewlett-Packard Development Company, L.P. | Mode à courant constant de dispositif d'impression lep à ensemble bid |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2956487A (en) * | 1955-03-23 | 1960-10-18 | Rca Corp | Electrostatic printing |
US3411482A (en) * | 1967-01-30 | 1968-11-19 | Varian Associates | Electrographic toner development employing a clean-up electrode structure for removing unwanted background |
BE755383A (fr) * | 1969-08-29 | 1971-03-01 | Xerox Corp | Appareil pour le controle d'electrodes de developpement |
US3674532A (en) * | 1970-07-23 | 1972-07-04 | Eastman Kodak Co | Control for bias of magnetic brush and method |
US3782818A (en) * | 1972-11-17 | 1974-01-01 | Savin Business Machines Corp | System for reducing background developer deposition in an electrostatic copier |
US3860436A (en) * | 1972-11-24 | 1975-01-14 | Thomas Meagher | Constant current biasing transfer system |
US3815989A (en) * | 1972-12-14 | 1974-06-11 | Nashua Corp | Electrophotographic copy systems |
US3892481A (en) * | 1974-06-17 | 1975-07-01 | Savin Business Machines Corp | Automatic development electrode bias control system |
DE2550846C2 (de) | 1974-11-12 | 1983-11-17 | Ricoh Co., Ltd., Tokyo | Entwicklungseinrichtung für ein elektrophotographisches Kopiergerät |
-
1975
- 1975-05-20 US US05/579,330 patent/US3981267A/en not_active Expired - Lifetime
-
1976
- 1976-03-24 GB GB11878/76A patent/GB1496462A/en not_active Expired
- 1976-03-25 CA CA248,774A patent/CA1088738A/fr not_active Expired
- 1976-04-24 JP JP51046139A patent/JPS599908B2/ja not_active Expired
- 1976-05-10 BE BE166905A patent/BE841666A/fr unknown
- 1976-05-12 FR FR7614290A patent/FR2312050A1/fr active Granted
- 1976-05-17 DE DE2621861A patent/DE2621861C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS52424A (en) | 1977-01-05 |
US3981267A (en) | 1976-09-21 |
CA1088738A (fr) | 1980-11-04 |
GB1496462A (en) | 1977-12-30 |
DE2621861C2 (de) | 1986-05-15 |
DE2621861A1 (de) | 1976-12-09 |
FR2312050A1 (fr) | 1976-12-17 |
JPS599908B2 (ja) | 1984-03-06 |
FR2312050B1 (fr) | 1981-09-25 |
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