CH549823A - ELECTROGRAPHIC COPYING PROCESS AND DEVICE FOR CARRYING OUT THIS PROCESS. - Google Patents
ELECTROGRAPHIC COPYING PROCESS AND DEVICE FOR CARRYING OUT THIS PROCESS.Info
- Publication number
- CH549823A CH549823A CH1508172A CH1508172A CH549823A CH 549823 A CH549823 A CH 549823A CH 1508172 A CH1508172 A CH 1508172A CH 1508172 A CH1508172 A CH 1508172A CH 549823 A CH549823 A CH 549823A
- Authority
- CH
- Switzerland
- Prior art keywords
- carrying
- electrographic copying
- electrographic
- copying process
- copying
- 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
- G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
- G03G15/0291—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices corona discharge devices, e.g. wires, pointed electrodes, means for cleaning the corona discharge device
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Physics & Mathematics (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1508172A CH549823A (en) | 1972-10-16 | 1972-10-16 | ELECTROGRAPHIC COPYING PROCESS AND DEVICE FOR CARRYING OUT THIS PROCESS. |
DE19732339745 DE2339745B2 (en) | 1972-10-16 | 1973-08-06 | METHOD AND DEVICE FOR CHARGING REPEATABLE ELECTROSTATIC RECORDING SHEETS |
US398134A US3900776A (en) | 1972-10-16 | 1973-09-17 | Process and apparatus for prolonging the useful lifetime of a repeatedly charged electrophotographic layer |
CA181,481A CA995297A (en) | 1972-10-16 | 1973-09-20 | Process for charging a layer, apparatus for carrying out the process and use of the process |
GB4795473A GB1453474A (en) | 1972-10-16 | 1973-10-15 | Method of electrically charging an electrographic layer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1508172A CH549823A (en) | 1972-10-16 | 1972-10-16 | ELECTROGRAPHIC COPYING PROCESS AND DEVICE FOR CARRYING OUT THIS PROCESS. |
Publications (1)
Publication Number | Publication Date |
---|---|
CH549823A true CH549823A (en) | 1974-05-31 |
Family
ID=4406172
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1508172A CH549823A (en) | 1972-10-16 | 1972-10-16 | ELECTROGRAPHIC COPYING PROCESS AND DEVICE FOR CARRYING OUT THIS PROCESS. |
Country Status (5)
Country | Link |
---|---|
US (1) | US3900776A (en) |
CA (1) | CA995297A (en) |
CH (1) | CH549823A (en) |
DE (1) | DE2339745B2 (en) |
GB (1) | GB1453474A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2453435A1 (en) * | 1979-04-02 | 1980-10-31 | Oce Nederland Bv | DEVELOPMENT METHOD WITH INVERSION |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5511255A (en) * | 1978-07-11 | 1980-01-26 | Ricoh Co Ltd | Corona discharge device |
JPS60254160A (en) * | 1984-05-31 | 1985-12-14 | Mita Ind Co Ltd | Electrophotographic method |
JPS62135848A (en) * | 1985-12-09 | 1987-06-18 | Sharp Corp | Driving control method for photosensitive body |
JP2677729B2 (en) * | 1991-12-03 | 1997-11-17 | シャープ株式会社 | Image forming method |
JPH0844143A (en) * | 1993-06-29 | 1996-02-16 | Toshiba Corp | Electrifying device and image forming device provided therewith |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2777957A (en) * | 1950-04-06 | 1957-01-15 | Haloid Co | Corona discharge device |
US3527941A (en) * | 1968-07-22 | 1970-09-08 | Eastman Kodak Co | Charging system for placing a uniform charge on a photoconductive surface |
JPS5110785B1 (en) * | 1971-01-16 | 1976-04-06 |
-
1972
- 1972-10-16 CH CH1508172A patent/CH549823A/en not_active IP Right Cessation
-
1973
- 1973-08-06 DE DE19732339745 patent/DE2339745B2/en not_active Withdrawn
- 1973-09-17 US US398134A patent/US3900776A/en not_active Expired - Lifetime
- 1973-09-20 CA CA181,481A patent/CA995297A/en not_active Expired
- 1973-10-15 GB GB4795473A patent/GB1453474A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2453435A1 (en) * | 1979-04-02 | 1980-10-31 | Oce Nederland Bv | DEVELOPMENT METHOD WITH INVERSION |
Also Published As
Publication number | Publication date |
---|---|
GB1453474A (en) | 1976-10-20 |
US3900776A (en) | 1975-08-19 |
DE2339745B2 (en) | 1976-01-29 |
CA995297A (en) | 1976-08-17 |
DE2339745A1 (en) | 1974-05-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |