FR84878E - - Google Patents
Info
- Publication number
- FR84878E FR84878E FR84878DA FR84878E FR 84878 E FR84878 E FR 84878E FR 84878D A FR84878D A FR 84878DA FR 84878 E FR84878 E FR 84878E
- 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.)
- Expired
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
- G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
- G03B27/73—Controlling exposure by variation of spectral composition, e.g. multicolor printers
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR84878E true FR84878E (cs) | 1965-08-16 |
Family
ID=1365693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR84878D Expired FR84878E (cs) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR84878E (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4395739A (en) | 1979-06-21 | 1983-07-26 | Sony Corporation | Recording/reproducing apparatus with selective attenuation of reproduced signals to facilitate comprehension of external speech signals |
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0
- FR FR84878D patent/FR84878E/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4395739A (en) | 1979-06-21 | 1983-07-26 | Sony Corporation | Recording/reproducing apparatus with selective attenuation of reproduced signals to facilitate comprehension of external speech signals |