BE377004A - - Google Patents
Info
- Publication number
- BE377004A BE377004A BE377004DA BE377004A BE 377004 A BE377004 A BE 377004A BE 377004D A BE377004D A BE 377004DA BE 377004 A BE377004 A BE 377004A
- Authority
- BE
- Belgium
- Prior art keywords
- comparison
- chamber
- printing
- negatives
- copying apparatus
- Prior art date
Links
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
- G01J1/4223—Photoelectric exposure meters for determining the exposure time in recording or reproducing specially adapted for copy - or printing apparatus
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE377004A true BE377004A (OSRAM) |
Family
ID=47345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE377004D BE377004A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE377004A (OSRAM) |
-
0
- BE BE377004D patent/BE377004A/fr unknown
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