NL7500336A - Belichtings- en uitdoofbesturing voor electro- statische reproduktiemachines. - Google Patents
Belichtings- en uitdoofbesturing voor electro- statische reproduktiemachines.Info
- Publication number
- NL7500336A NL7500336A NL7500336A NL7500336A NL7500336A NL 7500336 A NL7500336 A NL 7500336A NL 7500336 A NL7500336 A NL 7500336A NL 7500336 A NL7500336 A NL 7500336A NL 7500336 A NL7500336 A NL 7500336A
- Authority
- NL
- Netherlands
- Prior art keywords
- exposure
- exhaust control
- reproduction machines
- electrostatic reproduction
- electrostatic
- 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
- G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
- G03G15/045—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for charging or discharging distinct portions of the charge pattern on the recording material, e.g. for contrast enhancement or discharging non-image areas
- G03G15/047—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for charging or discharging distinct portions of the charge pattern on the recording material, e.g. for contrast enhancement or discharging non-image areas for discharging non-image areas
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/04—Arrangements for exposing and producing an image
- G03G2215/0429—Changing or enhancing the image
- G03G2215/0431—Producing a clean non-image area, i.e. avoiding show-around effects
- G03G2215/0434—Parameters defining the non-image area to be cleaned
- G03G2215/0446—Magnification degree
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Control Or Security For Electrophotography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US44501374A | 1974-02-22 | 1974-02-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7500336A true NL7500336A (nl) | 1975-05-30 |
Family
ID=23767298
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7500336A NL7500336A (nl) | 1974-02-22 | 1975-01-10 | Belichtings- en uitdoofbesturing voor electro- statische reproduktiemachines. |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS50120342A (es) |
DE (1) | DE2460544A1 (es) |
FR (1) | FR2262339B1 (es) |
GB (1) | GB1487793A (es) |
NL (1) | NL7500336A (es) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1055822B (it) * | 1976-01-20 | 1982-01-11 | Olivetti E C Spa | Macchina copiatrice elettrofotografica |
US4255042A (en) * | 1979-03-26 | 1981-03-10 | International Business Machines Corporation | Light pipe for accurate erasure of photoconductor charge |
EP0180984B1 (en) * | 1984-11-06 | 1989-07-19 | Kabushiki Kaisha Toshiba | Image forming apparatus with image forming area selection |
JPS6236681A (ja) * | 1985-08-12 | 1987-02-17 | Toshiba Corp | 画像形成装置 |
JPS6380279A (ja) * | 1986-09-24 | 1988-04-11 | Sharp Corp | ブランクランプを備えた複写機 |
US5274419A (en) * | 1989-12-20 | 1993-12-28 | Dainippon Screen Mfg. Co., Ltd. | Camera and photosensitive material feed unit useful therefor |
-
1974
- 1974-12-20 DE DE19742460544 patent/DE2460544A1/de not_active Withdrawn
-
1975
- 1975-01-10 NL NL7500336A patent/NL7500336A/xx not_active Application Discontinuation
- 1975-02-06 GB GB511575A patent/GB1487793A/en not_active Expired
- 1975-02-14 JP JP50018689A patent/JPS50120342A/ja active Pending
- 1975-02-21 FR FR7505550A patent/FR2262339B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1487793A (en) | 1977-10-05 |
DE2460544A1 (de) | 1975-08-28 |
FR2262339A1 (es) | 1975-09-19 |
FR2262339B1 (es) | 1980-09-12 |
JPS50120342A (es) | 1975-09-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BV | The patent application has lapsed |