FR754316A - - Google Patents
Info
- Publication number
- FR754316A FR754316A FR754316DA FR754316A FR 754316 A FR754316 A FR 754316A FR 754316D A FR754316D A FR 754316DA FR 754316 A FR754316 A FR 754316A
- 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
- 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)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR404574X | 1932-08-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR754316A true FR754316A (xx) | 1933-11-03 |
Family
ID=8897115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR754316D Expired FR754316A (xx) | 1932-08-12 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR754316A (xx) |
| GB (1) | GB404574A (xx) |
-
0
- FR FR754316D patent/FR754316A/fr not_active Expired
-
1933
- 1933-08-11 GB GB22448/33A patent/GB404574A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB404574A (en) | 1934-01-18 |