FR552751A - - Google Patents
Info
- Publication number
- FR552751A FR552751A FR552751DA FR552751A FR 552751 A FR552751 A FR 552751A FR 552751D A FR552751D A FR 552751DA FR 552751 A FR552751 A FR 552751A
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L15/00—Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code
- H04L15/04—Apparatus or circuits at the transmitting end
- H04L15/12—Apparatus or circuits at the transmitting end with keyboard co-operating with code-bars
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR552751A true FR552751A (online.php) | 1923-05-07 |
Family
ID=1538471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR552751D Expired FR552751A (online.php) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR552751A (online.php) |
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0
- FR FR552751D patent/FR552751A/fr not_active Expired