NL24066C - - Google Patents
Info
- Publication number
- NL24066C NL24066C NL24066DA NL24066C NL 24066 C NL24066 C NL 24066C NL 24066D A NL24066D A NL 24066DA NL 24066 C NL24066 C NL 24066C
- 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)
- Mobile Radio Communication Systems (AREA)
- Selective Calling Equipment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB20671/27A GB299915A (en) | 1927-08-05 | 1927-08-05 | Improvements in secret signalling systems |
Publications (1)
Publication Number | Publication Date |
---|---|
NL24066C true NL24066C (hu) |
Family
ID=10149730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL24066D NL24066C (hu) | 1927-08-05 |
Country Status (6)
Country | Link |
---|---|
US (1) | US1725032A (hu) |
BE (1) | BE351858A (hu) |
DE (1) | DE540782C (hu) |
FR (1) | FR655685A (hu) |
GB (1) | GB299915A (hu) |
NL (1) | NL24066C (hu) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2132205A (en) * | 1937-06-23 | 1938-10-04 | Bell Telephone Labor Inc | Secret transmission |
DE3482363D1 (de) * | 1983-09-30 | 1990-06-28 | Nippon Telegraph & Telephone | Funksendesystem fuer ein phasenmoduliertes signal. |
-
0
- NL NL24066D patent/NL24066C/xx active
- BE BE351858D patent/BE351858A/xx unknown
-
1927
- 1927-07-06 US US203703A patent/US1725032A/en not_active Expired - Lifetime
- 1927-08-05 GB GB20671/27A patent/GB299915A/en not_active Expired
-
1928
- 1928-05-22 DE DEI34457D patent/DE540782C/de not_active Expired
- 1928-06-13 FR FR655685D patent/FR655685A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR655685A (fr) | 1929-04-23 |
DE540782C (de) | 1932-01-07 |
GB299915A (en) | 1928-11-05 |
US1725032A (en) | 1929-08-20 |
BE351858A (hu) |