FR2375635A1 - Procede pour eliminer la charge residuelle de fond lors de la reproduction electrophotographique d'images et appareil pour sa mise en oeuvre - Google Patents
Procede pour eliminer la charge residuelle de fond lors de la reproduction electrophotographique d'images et appareil pour sa mise en oeuvreInfo
- Publication number
- FR2375635A1 FR2375635A1 FR7738411A FR7738411A FR2375635A1 FR 2375635 A1 FR2375635 A1 FR 2375635A1 FR 7738411 A FR7738411 A FR 7738411A FR 7738411 A FR7738411 A FR 7738411A FR 2375635 A1 FR2375635 A1 FR 2375635A1
- Authority
- FR
- France
- Prior art keywords
- residual background
- background charge
- eliminating
- images
- implementation
- 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.)
- Granted
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
- G03G15/0803—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer in a powder cloud
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
- Discharging, Photosensitive Material Shape In Electrophotography (AREA)
- Combination Of More Than One Step In Electrophotography (AREA)
- Photoreceptors In Electrophotography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762658280 DE2658280A1 (de) | 1976-12-22 | 1976-12-22 | Verfahren zur beseitigung der untergrundrestladung bei elektrofotografischer bildwiedergabe und geraet zu seiner durchfuehrung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2375635A1 true FR2375635A1 (fr) | 1978-07-21 |
| FR2375635B1 FR2375635B1 (OSRAM) | 1982-03-19 |
Family
ID=5996306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7738411A Granted FR2375635A1 (fr) | 1976-12-22 | 1977-12-20 | Procede pour eliminer la charge residuelle de fond lors de la reproduction electrophotographique d'images et appareil pour sa mise en oeuvre |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4267450A (OSRAM) |
| DE (1) | DE2658280A1 (OSRAM) |
| FR (1) | FR2375635A1 (OSRAM) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4491408A (en) * | 1984-01-03 | 1985-01-01 | Xerox Corporation | Electrostatographic system development modulation |
| US5093217A (en) * | 1989-10-11 | 1992-03-03 | Rca Thomson Licensing Corporation | Apparatus and method for manufacturing a screen assembly for a crt utilizing a grid-developing electrode |
| KR100394461B1 (ko) * | 2001-02-14 | 2003-08-09 | 주식회사 디알텍 | 디지털 x선 촬영 패널 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1497234A1 (de) * | 1964-12-28 | 1969-05-08 | Rank Xerox Ltd | Staubentwicklung |
| DE2457936A1 (de) * | 1974-12-07 | 1976-06-16 | Xonics Inc | Elektrostatische bildentwicklereinrichtung und verfahren zum entwickeln von elektrostatischen bildern |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB873080A (en) | 1957-04-05 | 1961-07-19 | Commw Of Australia | Improved method of producing images by wet xerographic processes |
| BE675325A (OSRAM) * | 1965-01-21 | 1966-05-16 | ||
| US3603790A (en) * | 1968-04-30 | 1971-09-07 | Kodak Ltd | Electroradiographic process |
| US3813546A (en) * | 1973-02-28 | 1974-05-28 | Xonics Inc | Process of making a subtracted image radiographic record |
| US4027158A (en) * | 1973-09-20 | 1977-05-31 | Siemens Aktiengesellschaft | Electrophotographic apparatus comprising pre-development charge reducing means |
| US3997259A (en) * | 1973-11-08 | 1976-12-14 | Xerox Corporation | Apparatus for reducing image background in electrostatic reproduction machines |
| US3949222A (en) * | 1974-11-01 | 1976-04-06 | Xonics, Inc. | Method and apparatus for reducing the density of background areas without affecting the density of picture areas in an electronradiograph |
| US3967891A (en) * | 1975-04-14 | 1976-07-06 | Xerox Corporation | Imaging system for electrostatic reproduction machines |
-
1976
- 1976-12-22 DE DE19762658280 patent/DE2658280A1/de not_active Withdrawn
-
1977
- 1977-11-30 US US05/856,006 patent/US4267450A/en not_active Expired - Lifetime
- 1977-12-20 FR FR7738411A patent/FR2375635A1/fr active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1497234A1 (de) * | 1964-12-28 | 1969-05-08 | Rank Xerox Ltd | Staubentwicklung |
| DE2457936A1 (de) * | 1974-12-07 | 1976-06-16 | Xonics Inc | Elektrostatische bildentwicklereinrichtung und verfahren zum entwickeln von elektrostatischen bildern |
Non-Patent Citations (1)
| Title |
|---|
| EXBK/73 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US4267450A (en) | 1981-05-12 |
| FR2375635B1 (OSRAM) | 1982-03-19 |
| DE2658280A1 (de) | 1978-07-06 |
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| FR2375635A1 (fr) | Procede pour eliminer la charge residuelle de fond lors de la reproduction electrophotographique d'images et appareil pour sa mise en oeuvre | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |