NL20968C - - Google Patents
Info
- Publication number
- NL20968C NL20968C NL20968DA NL20968C NL 20968 C NL20968 C NL 20968C NL 20968D A NL20968D A NL 20968DA NL 20968 C NL20968 C NL 20968C
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- H04L15/06—Apparatus or circuits at the transmitting end with a restricted number of keys, e.g. separate key for each type of code element
- H04L15/08—Apparatus or circuits at the transmitting end with a restricted number of keys, e.g. separate key for each type of code element with a single key which transmits dots in one position and dashes in a second position
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Input From Keyboards Or The Like (AREA)
- Measuring Leads Or Probes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL290652X | 1927-05-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL20968C true NL20968C (fr) |
Family
ID=19782736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL20968D NL20968C (fr) | 1927-05-20 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1780507A (fr) |
| DE (1) | DE518219C (fr) |
| FR (1) | FR654714A (fr) |
| GB (1) | GB290652A (fr) |
| NL (1) | NL20968C (fr) |
-
0
- NL NL20968D patent/NL20968C/xx active
-
1928
- 1928-01-24 DE DESCH85237D patent/DE518219C/de not_active Expired
- 1928-02-28 FR FR654714D patent/FR654714A/fr not_active Expired
- 1928-02-29 GB GB6364/28A patent/GB290652A/en not_active Expired
- 1928-03-20 US US263040A patent/US1780507A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE518219C (de) | 1931-02-16 |
| US1780507A (en) | 1930-11-04 |
| GB290652A (en) | 1928-10-04 |
| FR654714A (fr) | 1929-04-10 |