JPS57111557A - Recording method using solid light emitting element - Google Patents
Recording method using solid light emitting elementInfo
- Publication number
- JPS57111557A JPS57111557A JP55185977A JP18597780A JPS57111557A JP S57111557 A JPS57111557 A JP S57111557A JP 55185977 A JP55185977 A JP 55185977A JP 18597780 A JP18597780 A JP 18597780A JP S57111557 A JPS57111557 A JP S57111557A
- Authority
- JP
- Japan
- Prior art keywords
- led12
- pitch
- light emission
- lens
- imaging
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/52—Details
- G03B27/54—Lamp housings; Illuminating means
- G03B27/542—Lamp housings; Illuminating means for copying cameras, reflex exposure lighting
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Facsimile Heads (AREA)
- Fax Reproducing Arrangements (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Abstract
PURPOSE:To achieve high-density recording with superior resolution by scanning at least either one of a light emitting element array with large light emission surfaces and an imaging element array forth and back in parallel to a photosensitive surface. CONSTITUTION:Emitted luminou flux from an LED12 with large light emission area is reduced to (m) time (m=a/b) through an imaging lens 13 to form an image on a photosensitive surface 14. The extent (d) of the movement of the lens 13 is c/1+m, where (c) is the pitch of the LED12. Further, the irradiation area Si of an imaging part is m<2>So, where So is the light emission area of the LED12. Namely, magnification (m) is determined by the So and necessary resolution to be found, i.e., the irradiation area Si of the imaging part, and the extent (d) of the movement of the imaging lens 13 is determined by the pitch (c) of the LED12 and pitch (c). Under said conditions, the lens 13 is moved at a constant speed by the distance (d) in a main scanning direction E to expose the light emission pattern of the LED12 to the photosensitive surface with the same width F with the pitch (c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55185977A JPS57111557A (en) | 1980-12-28 | 1980-12-28 | Recording method using solid light emitting element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55185977A JPS57111557A (en) | 1980-12-28 | 1980-12-28 | Recording method using solid light emitting element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57111557A true JPS57111557A (en) | 1982-07-12 |
Family
ID=16180183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55185977A Pending JPS57111557A (en) | 1980-12-28 | 1980-12-28 | Recording method using solid light emitting element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57111557A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58135161U (en) * | 1982-03-08 | 1983-09-10 | 横河電機株式会社 | optical recording device |
| JPH01188370A (en) * | 1988-01-22 | 1989-07-27 | Fuji Photo Film Co Ltd | Scan recording device |
-
1980
- 1980-12-28 JP JP55185977A patent/JPS57111557A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58135161U (en) * | 1982-03-08 | 1983-09-10 | 横河電機株式会社 | optical recording device |
| JPH01188370A (en) * | 1988-01-22 | 1989-07-27 | Fuji Photo Film Co Ltd | Scan recording device |
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