GB1336960A - Electrophotographic developing apparatus - Google Patents
Electrophotographic developing apparatusInfo
- Publication number
- GB1336960A GB1336960A GB6056071A GB6056071A GB1336960A GB 1336960 A GB1336960 A GB 1336960A GB 6056071 A GB6056071 A GB 6056071A GB 6056071 A GB6056071 A GB 6056071A GB 1336960 A GB1336960 A GB 1336960A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrode
- image
- station
- resistance
- earthed
- 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
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
- G03G15/10—Apparatus for electrographic processes using a charge pattern for developing using a liquid developer
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Wet Developing In Electrophotography (AREA)
- Developing For Electrophotography (AREA)
Abstract
1336960 Developing electrostatic latent images FUJI PHOTO FILM CO Ltd 29 Dec 1971 [28 Dec 1970] 60560/71 Heading G2H An electrostatic latent image is developed under the influence of a development electrode, the electrode being earthed through a low or zero resistance for a continuous tone image and through a high resistance for a line image. In Fig.3, rollers 20 and 31 are permanently connected directly to earth and rollers 21 are either connected directly to earth or are earthed through a resistance R (preferably 10<SP>6</SP> ohms to infinity;) selection being made by a switch 13. In Fig. 8 (not shown) variable resistances are used. In Fig. 1 (not shown) a curved plate electrode (12) and a curved gauze electrode (10) are used. In Fig. 9 (not shown) an image is sprayed at a pretreatment station (100) with insulating liquid; sprayed with liquid developer at a station (90) identical to that of Fig. 3 and then rinsed and squeezed at an aftertreatment station (110).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP45120320A JPS5124251B1 (en) | 1970-12-28 | 1970-12-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1336960A true GB1336960A (en) | 1973-11-14 |
Family
ID=14783317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB6056071A Expired GB1336960A (en) | 1970-12-28 | 1971-12-29 | Electrophotographic developing apparatus |
Country Status (7)
Country | Link |
---|---|
US (1) | US3822670A (en) |
JP (1) | JPS5124251B1 (en) |
BE (1) | BE777310A (en) |
CA (1) | CA953490A (en) |
DE (1) | DE2165134A1 (en) |
FR (1) | FR2120985A5 (en) |
GB (1) | GB1336960A (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3862619A (en) * | 1972-03-13 | 1975-01-28 | Rank Xerox Ltd | Electro-photographic apparatus |
US3871329A (en) * | 1972-10-16 | 1975-03-18 | Dennison Mfg Co | Development electrode |
DE2403186C3 (en) * | 1973-01-24 | 1985-11-21 | Kabushiki Kaisha Ricoh, Tokio/Tokyo | Developing device for an electrophotographic copier |
US4052127A (en) * | 1973-01-24 | 1977-10-04 | Ricoh Co., Ltd. | Developing system |
US3877416A (en) * | 1973-04-23 | 1975-04-15 | Xerox Corp | Humidity corrected transfer apparatus |
US3893417A (en) * | 1974-01-17 | 1975-07-08 | Eastman Kodak Co | Apparatus for liquid development of electrostatic images |
US3965861A (en) * | 1974-09-04 | 1976-06-29 | Rank Xerox Ltd. | Separated roller liquid development |
US4111156A (en) * | 1974-12-09 | 1978-09-05 | Olympus Optical Co., Ltd. | Devices for developing an electrostatic charge image on a record sheet by a developer solution |
DE2507221C3 (en) * | 1975-02-20 | 1981-03-26 | Hoechst Ag, 65929 Frankfurt | Apparatus for developing an electrostatic latent image on an electrophotographic copy material |
JPS5545394Y2 (en) * | 1975-10-23 | 1980-10-24 | ||
JPS52102043A (en) * | 1976-02-23 | 1977-08-26 | Olympus Optical Co Ltd | Electrostatic image developing |
JPS5466562U (en) * | 1977-10-18 | 1979-05-11 | ||
JPS5484738A (en) * | 1977-12-19 | 1979-07-05 | Ricoh Co Ltd | Developing device for variable magnification copier |
US20060177244A1 (en) * | 2005-02-08 | 2006-08-10 | Nitto Kogyo Co., Ltd. | Image forming roller |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2913353A (en) * | 1955-02-08 | 1959-11-17 | Gen Dynamics Corp | Method and apparatus for developing electrostatic image |
GB1063203A (en) * | 1962-10-02 | 1967-03-30 | Australia Res Lab | Method of and means for the transfer of images |
US3345925A (en) * | 1963-01-03 | 1967-10-10 | Scm Corp | Electrostatic printing and developing apparatus |
BE655347A (en) * | 1963-11-05 | |||
US3435802A (en) * | 1965-06-30 | 1969-04-01 | Eastman Kodak Co | Electrographic liquid developing apparatus |
US3411482A (en) * | 1967-01-30 | 1968-11-19 | Varian Associates | Electrographic toner development employing a clean-up electrode structure for removing unwanted background |
US3601092A (en) * | 1969-02-28 | 1971-08-24 | Ricoh Kk | Developing device for wet process electrophotography |
US3599605A (en) * | 1969-03-20 | 1971-08-17 | Ibm | Self-biasing development electrode for electrophotography |
JPS5142492B1 (en) * | 1969-06-25 | 1976-11-16 | ||
US3674532A (en) * | 1970-07-23 | 1972-07-04 | Eastman Kodak Co | Control for bias of magnetic brush and method |
-
1970
- 1970-12-28 JP JP45120320A patent/JPS5124251B1/ja active Pending
-
1971
- 1971-12-27 BE BE777310A patent/BE777310A/en unknown
- 1971-12-28 US US00213089A patent/US3822670A/en not_active Expired - Lifetime
- 1971-12-28 FR FR7147045A patent/FR2120985A5/fr not_active Expired
- 1971-12-28 DE DE19712165134 patent/DE2165134A1/en active Pending
- 1971-12-29 GB GB6056071A patent/GB1336960A/en not_active Expired
- 1971-12-29 CA CA131,198A patent/CA953490A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA953490A (en) | 1974-08-27 |
BE777310A (en) | 1972-04-17 |
FR2120985A5 (en) | 1972-08-18 |
DE2165134A1 (en) | 1972-07-13 |
US3822670A (en) | 1974-07-09 |
JPS5124251B1 (en) | 1976-07-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |