FR547555A - - Google Patents
Info
- Publication number
- FR547555A FR547555A FR547555DA FR547555A FR 547555 A FR547555 A FR 547555A FR 547555D A FR547555D A FR 547555DA FR 547555 A FR547555 A FR 547555A
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/029—Heads optically focused on only one picture element at a time
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR547555A true FR547555A (cs) | 1922-12-19 |
Family
ID=1538021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR547555D Expired FR547555A (cs) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR547555A (cs) |
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0
- FR FR547555D patent/FR547555A/fr not_active Expired