FR2270624A1 - - Google Patents
Info
- Publication number
- FR2270624A1 FR2270624A1 FR7514227A FR7514227A FR2270624A1 FR 2270624 A1 FR2270624 A1 FR 2270624A1 FR 7514227 A FR7514227 A FR 7514227A FR 7514227 A FR7514227 A FR 7514227A FR 2270624 A1 FR2270624 A1 FR 2270624A1
- 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.)
- 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
- G03G15/04—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
- G03G15/04027—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 and forming half-tone image
-
- 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
- G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
- G03G15/0105—Details of unit
- G03G15/011—Details of unit for exposing
- G03G15/0115—Details of unit for exposing and forming a half-tone image
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Color Electrophotography (AREA)
- Spectrometry And Color Measurement (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US46716174A | 1974-05-06 | 1974-05-06 | |
| US05/467,326 US4108654A (en) | 1974-05-06 | 1974-05-06 | Color electrophotographic process employing a document screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2270624A1 true FR2270624A1 (US08087162-20120103-C00010.png) | 1975-12-05 |
| FR2270624B1 FR2270624B1 (US08087162-20120103-C00010.png) | 1978-08-25 |
Family
ID=27041944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7514227A Expired FR2270624B1 (US08087162-20120103-C00010.png) | 1974-05-06 | 1975-05-06 |
Country Status (6)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5231747A (en) * | 1975-09-05 | 1977-03-10 | Hitachi Ltd | Screen for color copying machine |
| JPH0731427B2 (ja) * | 1986-04-25 | 1995-04-10 | 株式会社リコー | 静電転写型記録装置 |
-
1975
- 1975-04-28 NL NL7505039A patent/NL7505039A/xx not_active Application Discontinuation
- 1975-04-30 JP JP50052455A patent/JPS5133632A/ja active Pending
- 1975-05-05 DE DE19752520009 patent/DE2520009A1/de not_active Ceased
- 1975-05-06 FR FR7514227A patent/FR2270624B1/fr not_active Expired
- 1975-05-06 CA CA226,339A patent/CA1062762A/en not_active Expired
- 1975-05-06 GB GB1896075A patent/GB1490898A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2270624B1 (US08087162-20120103-C00010.png) | 1978-08-25 |
| GB1490898A (en) | 1977-11-02 |
| JPS5133632A (en) | 1976-03-22 |
| DE2520009A1 (de) | 1975-11-20 |
| NL7505039A (nl) | 1975-07-31 |
| CA1062762A (en) | 1979-09-18 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |