BE353045A - - Google Patents
Info
- Publication number
- BE353045A BE353045A BE353045DA BE353045A BE 353045 A BE353045 A BE 353045A BE 353045D A BE353045D A BE 353045DA BE 353045 A BE353045 A BE 353045A
- Authority
- BE
- Belgium
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 |
---|---|
BE353045A true BE353045A (xx) |
Family
ID=10128057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE353045D BE353045A (xx) | 1928-07-04 |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE353045A (xx) |
FR (1) | FR658499A (xx) |
GB (1) | GB320091A (xx) |
NL (1) | NL24635C (xx) |
-
0
- BE BE353045D patent/BE353045A/xx unknown
- NL NL24635D patent/NL24635C/xx active
-
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 |
---|---|
NL24635C (xx) | |
FR658499A (fr) | 1929-06-15 |
GB320091A (en) | 1929-10-04 |