JPS6477382A - Photographic printing device - Google Patents
Photographic printing deviceInfo
- Publication number
- JPS6477382A JPS6477382A JP62233799A JP23379987A JPS6477382A JP S6477382 A JPS6477382 A JP S6477382A JP 62233799 A JP62233799 A JP 62233799A JP 23379987 A JP23379987 A JP 23379987A JP S6477382 A JPS6477382 A JP S6477382A
- Authority
- JP
- Japan
- Prior art keywords
- crt
- light
- lens
- converter
- signal
- 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
Landscapes
- Projection-Type Copiers In General (AREA)
- Control Of Exposure In Printing And Copying (AREA)
Abstract
PURPOSE:To remove trailing phenomenon and to use a CRT with high light emitting brightness by providing a photographic printing device using a CRT as a light source with a digital filter for filtering a digitally converted video signal and cancelling the afterglow characteristics of the CRT. CONSTITUTION:A mirror 23 is arranged between the CRT 1 and a printing lens 13 so as to be pivoted around a shaft 23a and flying spot light projected from the CRT 1 scans a color negative image 11, and after the scanning, the light is led into an inspecting optical path 24 and made incident upon a photomultiplier tube 31 a through a lens 29 and a lens 30. The tube 31 photoelectrically converts the incident light and outputs as a time sequential signal. The time sequential signal is amplified by an amplifier 32 and then digitized by an A/D converter 33. The digital filter 34 filters the digital signal obtained from the A/D converter 33 to remove distortion generated from the afterglow characteristics of the flying spot light. A video signal from the filter 34 is selected by a selector 37 and sent to a frame memory 36.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62233799A JPS6477382A (en) | 1987-09-18 | 1987-09-18 | Photographic printing device |
US07/218,793 US4942462A (en) | 1987-07-15 | 1988-07-14 | Photographic printer having a CRT for illuminating an original with a flying spot to print an image of the original |
DE3824096A DE3824096C2 (en) | 1987-07-15 | 1988-07-15 | Photo printer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62233799A JPS6477382A (en) | 1987-09-18 | 1987-09-18 | Photographic printing device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6477382A true JPS6477382A (en) | 1989-03-23 |
Family
ID=16960758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62233799A Pending JPS6477382A (en) | 1987-07-15 | 1987-09-18 | Photographic printing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6477382A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0362336U (en) * | 1989-10-20 | 1991-06-18 | ||
WO2021060555A1 (en) * | 2019-09-27 | 2021-04-01 | 富士フイルム株式会社 | Image exposure device, image exposure method, and program |
-
1987
- 1987-09-18 JP JP62233799A patent/JPS6477382A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0362336U (en) * | 1989-10-20 | 1991-06-18 | ||
WO2021060555A1 (en) * | 2019-09-27 | 2021-04-01 | 富士フイルム株式会社 | Image exposure device, image exposure method, and program |
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