FR962063A - - Google Patents
Info
- Publication number
- FR962063A FR962063A FR962063DA FR962063A FR 962063 A FR962063 A FR 962063A FR 962063D A FR962063D A FR 962063DA FR 962063 A FR962063 A FR 962063A
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB629447A GB638911A (en) | 1947-03-05 | 1947-03-05 | Improvements in or relating to privacy equipment for telephone and other communication systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR962063A true FR962063A (en) | 1950-05-31 |
Family
ID=9811872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR962063D Expired FR962063A (en) | 1947-03-05 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR962063A (en) |
| GB (1) | GB638911A (en) |
-
0
- FR FR962063D patent/FR962063A/fr not_active Expired
-
1947
- 1947-03-05 GB GB629447A patent/GB638911A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB638911A (en) | 1950-06-21 |