BR7707673A - Processo para a cifragem de sinais de informacao - Google Patents
Processo para a cifragem de sinais de informacaoInfo
- Publication number
- BR7707673A BR7707673A BR7707673A BR7707673A BR7707673A BR 7707673 A BR7707673 A BR 7707673A BR 7707673 A BR7707673 A BR 7707673A BR 7707673 A BR7707673 A BR 7707673A BR 7707673 A BR7707673 A BR 7707673A
- Authority
- BR
- Brazil
- Prior art keywords
- encryption
- information signs
- signs
- information
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762652607 DE2652607A1 (de) | 1976-11-19 | 1976-11-19 | Verfahren zum verschleierten uebertragen von nachrichtensignalen |
| DE19772725065 DE2725065A1 (de) | 1976-11-19 | 1977-06-03 | Verfahren zur verschleierten uebertragung von nachrichtensignalen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7707673A true BR7707673A (pt) | 1978-07-25 |
Family
ID=25771162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR7707673A BR7707673A (pt) | 1976-11-19 | 1977-11-18 | Processo para a cifragem de sinais de informacao |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT373457B (de) |
| BR (1) | BR7707673A (de) |
| CH (1) | CH628760A5 (de) |
| DE (1) | DE2725065A1 (de) |
| ES (1) | ES464227A1 (de) |
| GB (1) | GB1596185A (de) |
| IL (1) | IL53383A (de) |
| NL (1) | NL7712095A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2811635A1 (de) * | 1978-03-17 | 1979-09-20 | Tekade Felten & Guilleaume | Pseudozufaellige erzeugung von orthogonalen matrizen fuer verschluesselungszwecke |
| US4443660A (en) * | 1980-02-04 | 1984-04-17 | Rockwell International Corporation | System and method for encrypting a voice signal |
-
1977
- 1977-06-03 DE DE19772725065 patent/DE2725065A1/de not_active Ceased
- 1977-11-02 NL NL7712095A patent/NL7712095A/xx not_active Application Discontinuation
- 1977-11-03 AT AT784277A patent/AT373457B/de not_active IP Right Cessation
- 1977-11-15 IL IL5338377A patent/IL53383A/xx unknown
- 1977-11-17 GB GB4798377A patent/GB1596185A/en not_active Expired
- 1977-11-17 ES ES464227A patent/ES464227A1/es not_active Expired
- 1977-11-17 CH CH1406677A patent/CH628760A5/de not_active IP Right Cessation
- 1977-11-18 BR BR7707673A patent/BR7707673A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL7712095A (nl) | 1978-05-23 |
| ES464227A1 (es) | 1978-07-01 |
| IL53383A (en) | 1980-01-31 |
| CH628760A5 (en) | 1982-03-15 |
| ATA784277A (de) | 1983-05-15 |
| DE2725065A1 (de) | 1978-12-07 |
| GB1596185A (en) | 1981-08-19 |
| AT373457B (de) | 1984-01-25 |
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