NL8301858A - Reproductie-camera. - Google Patents
Reproductie-camera. Download PDFInfo
- Publication number
- NL8301858A NL8301858A NL8301858A NL8301858A NL8301858A NL 8301858 A NL8301858 A NL 8301858A NL 8301858 A NL8301858 A NL 8301858A NL 8301858 A NL8301858 A NL 8301858A NL 8301858 A NL8301858 A NL 8301858A
- Authority
- NL
- Netherlands
- Prior art keywords
- image
- exposure
- original
- exposure time
- signal
- Prior art date
Links
- 239000000463 material Substances 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000005286 illumination Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 239000000872 buffer Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/4209—Photoelectric exposure meters for determining the exposure time in recording or reproducing
- G01J1/4219—Photoelectric exposure meters for determining the exposure time in recording or reproducing specially adapted for enlargers
-
- 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
- G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
- G03B27/80—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus in dependence upon automatic analysis of the original
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Exposure In Printing And Copying (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Projection-Type Copiers In General (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8301858A NL8301858A (nl) | 1983-05-26 | 1983-05-26 | Reproductie-camera. |
EP84200635A EP0127913B1 (en) | 1983-05-26 | 1984-05-04 | Reproduction camera |
DE8484200635T DE3462719D1 (en) | 1983-05-26 | 1984-05-04 | Reproduction camera |
DK255984A DK157268C (da) | 1983-05-26 | 1984-05-24 | Reproduktionskamera |
JP59105643A JPS6083935A (ja) | 1983-05-26 | 1984-05-24 | 複写用カメラ |
US06/614,451 US4558945A (en) | 1983-05-26 | 1984-05-25 | Reproduction camera with system to correct exposure for stray light |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8301858 | 1983-05-26 | ||
NL8301858A NL8301858A (nl) | 1983-05-26 | 1983-05-26 | Reproductie-camera. |
Publications (1)
Publication Number | Publication Date |
---|---|
NL8301858A true NL8301858A (nl) | 1984-12-17 |
Family
ID=19841906
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8301858A NL8301858A (nl) | 1983-05-26 | 1983-05-26 | Reproductie-camera. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4558945A (da) |
EP (1) | EP0127913B1 (da) |
JP (1) | JPS6083935A (da) |
DE (1) | DE3462719D1 (da) |
DK (1) | DK157268C (da) |
NL (1) | NL8301858A (da) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07113961B2 (ja) * | 1985-08-05 | 1995-12-06 | キヤノン株式会社 | 信号処理装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT274423B (de) * | 1966-02-04 | 1969-09-25 | Pentacon Dresden Veb | Vorrichtung zur punktweisen Messung der partiellen Leuchtdichten eines transparenten Bildträgers |
US3611159A (en) * | 1968-12-23 | 1971-10-05 | Robertson Photo Mechanix Inc | Automatic-exposure-programming apparatus for a camera |
US3619055A (en) * | 1969-06-05 | 1971-11-09 | Sargent Welch Scientific Co | Exposure control device |
US3712730A (en) * | 1971-03-22 | 1973-01-23 | Enivar Enterprises Inc | Automatic density setting apparatus |
US3796491A (en) * | 1971-09-09 | 1974-03-12 | Logetronics Inc | Copy density reading and exposure control system |
CH541823A (de) * | 1972-05-25 | 1973-09-15 | Tymac Von Schulthess Rechberg | Belichtungs-Steuergerät |
JPS5518645A (en) * | 1978-07-25 | 1980-02-08 | Ikeda Denki Kk | Automatic exposure control type lighting device of copying machine |
JPS576869A (en) * | 1980-06-16 | 1982-01-13 | Noritsu Koki Kk | Control system for quantity of light in printer |
US4408873A (en) * | 1980-12-08 | 1983-10-11 | Labrum Ervin D | Color correction adapter for photographic enlargers |
DK147954B (da) * | 1981-03-31 | 1985-01-14 | Eskofot As | Fremgangsmaade og apparat til styring af kontrasten ved reproduktion |
US4618254A (en) * | 1982-10-15 | 1986-10-21 | Ncr Canada Ltd | Automatic light control system |
-
1983
- 1983-05-26 NL NL8301858A patent/NL8301858A/nl not_active Application Discontinuation
-
1984
- 1984-05-04 EP EP84200635A patent/EP0127913B1/en not_active Expired
- 1984-05-04 DE DE8484200635T patent/DE3462719D1/de not_active Expired
- 1984-05-24 DK DK255984A patent/DK157268C/da not_active IP Right Cessation
- 1984-05-24 JP JP59105643A patent/JPS6083935A/ja active Pending
- 1984-05-25 US US06/614,451 patent/US4558945A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPS6083935A (ja) | 1985-05-13 |
EP0127913B1 (en) | 1987-03-18 |
DK255984A (da) | 1984-11-27 |
DK157268B (da) | 1989-11-27 |
DK157268C (da) | 1990-04-30 |
DK255984D0 (da) | 1984-05-24 |
DE3462719D1 (en) | 1987-04-23 |
EP0127913A1 (en) | 1984-12-12 |
US4558945A (en) | 1985-12-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1B | A search report has been drawn up | ||
A85 | Still pending on 85-01-01 | ||
BV | The patent application has lapsed |