NL24635C - - Google Patents
Info
- Publication number
- NL24635C NL24635C NL24635DA NL24635C NL 24635 C NL24635 C NL 24635C NL 24635D A NL24635D A NL 24635DA NL 24635 C NL24635 C NL 24635C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
- H04K1/04—Secret communication by frequency scrambling, i.e. by transposing or inverting parts of the frequency band or by inverting the whole band
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1936128A GB320091A (en) | 1928-07-04 | 1928-07-04 | Secrecy systems for signalling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL24635C true NL24635C (en:Method) |
Family
ID=10128057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL24635D NL24635C (en:Method) | 1928-07-04 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE353045A (en:Method) |
| FR (1) | FR658499A (en:Method) |
| GB (1) | GB320091A (en:Method) |
| NL (1) | NL24635C (en:Method) |
-
0
- NL NL24635D patent/NL24635C/xx active
- BE BE353045D patent/BE353045A/xx unknown
-
1928
- 1928-07-04 GB GB1936128A patent/GB320091A/en not_active Expired
- 1928-08-02 FR FR658499D patent/FR658499A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE353045A (en:Method) | |
| GB320091A (en) | 1929-10-04 |
| FR658499A (fr) | 1929-06-15 |