FR2075386A5 - - Google Patents
Info
- Publication number
- FR2075386A5 FR2075386A5 FR7100603A FR7100603A FR2075386A5 FR 2075386 A5 FR2075386 A5 FR 2075386A5 FR 7100603 A FR7100603 A FR 7100603A FR 7100603 A FR7100603 A FR 7100603A FR 2075386 A5 FR2075386 A5 FR 2075386A5
- Authority
- FR
- France
- 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
- G03G15/04—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
- G03G2215/0448—Charge-erasing means for the non-image area
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP45003099A JPS5018394B1 (de) | 1970-01-10 | 1970-01-10 | |
US00336748A US3799666A (en) | 1970-01-10 | 1973-02-28 | Apparatus for forming white frame in electrophotography |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2075386A5 true FR2075386A5 (de) | 1971-10-08 |
Family
ID=26336606
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7100603A Expired FR2075386A5 (de) | 1970-01-10 | 1971-01-11 |
Country Status (2)
Country | Link |
---|---|
US (1) | US3799666A (de) |
FR (1) | FR2075386A5 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4008954A (en) * | 1974-07-15 | 1977-02-22 | Minolta Camera Kabushiki Kaisha | Device for extinguishing unnecessary electrostatic charge in electrophotographic copier |
US3972613A (en) * | 1975-04-23 | 1976-08-03 | Scott Paper Company | Copyboard |
JPS5760357A (en) * | 1980-09-26 | 1982-04-12 | Konishiroku Photo Ind Co Ltd | Copying device |
JPS5989371U (ja) * | 1982-12-03 | 1984-06-16 | シャープ株式会社 | 複写機用光照射装置 |
JPS60140287A (ja) * | 1983-12-28 | 1985-07-25 | Mita Ind Co Ltd | 除電ランプ装置 |
NL8403079A (nl) * | 1984-10-10 | 1986-05-01 | Oce Nederland Bv | Inrichting voor het belichten van een randzone van een fotogeleidend element. |
JPS6193463A (ja) * | 1984-10-15 | 1986-05-12 | Fuji Photo Film Co Ltd | 電子写真装置における黒枠除去方法 |
JP2862385B2 (ja) * | 1991-03-13 | 1999-03-03 | キヤノン株式会社 | 露光装置 |
JP3384068B2 (ja) * | 1993-12-22 | 2003-03-10 | 株式会社ニコン | 走査型露光装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3556655A (en) * | 1968-01-22 | 1971-01-19 | Addressograph Multigraph | Photoelectrostatic copying machine |
US3671121A (en) * | 1970-08-05 | 1972-06-20 | Eastman Kodak Co | Exposure device for controlling charge on a portion of a charged surface bordering an image frame projected on the charged surface |
-
1971
- 1971-01-11 FR FR7100603A patent/FR2075386A5/fr not_active Expired
-
1973
- 1973-02-28 US US00336748A patent/US3799666A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3799666A (en) | 1974-03-26 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |