FR2416597A1 - Procede de codage d'un signal - Google Patents
Procede de codage d'un signalInfo
- Publication number
- FR2416597A1 FR2416597A1 FR7144215A FR7144215A FR2416597A1 FR 2416597 A1 FR2416597 A1 FR 2416597A1 FR 7144215 A FR7144215 A FR 7144215A FR 7144215 A FR7144215 A FR 7144215A FR 2416597 A1 FR2416597 A1 FR 2416597A1
- Authority
- FR
- France
- Prior art keywords
- signal
- frequency
- coding system
- locally generated
- transposition
- Prior art date
- 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.)
- Withdrawn
Links
- 230000017105 transposition Effects 0.000 title abstract 3
- 230000005540 biological transmission Effects 0.000 title abstract 2
- 230000000694 effects Effects 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 abstract 1
- 230000001360 synchronised effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
- H04K1/003—Secret communication by varying carrier frequency at or within predetermined or random intervals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7144215A FR2416597A1 (fr) | 1971-12-09 | 1971-12-09 | Procede de codage d'un signal |
BE127466A BE795216A (enrdf_load_stackoverflow) | 1971-12-09 | 1973-02-09 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7144215A FR2416597A1 (fr) | 1971-12-09 | 1971-12-09 | Procede de codage d'un signal |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2416597A1 true FR2416597A1 (fr) | 1979-08-31 |
Family
ID=9087197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7144215A Withdrawn FR2416597A1 (fr) | 1971-12-09 | 1971-12-09 | Procede de codage d'un signal |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE795216A (enrdf_load_stackoverflow) |
FR (1) | FR2416597A1 (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0328836A3 (en) * | 1987-10-27 | 1991-08-14 | Cedcom Network Systems Pty. Limited | Pseudo-passive universal communicator system |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1301404A (fr) * | 1961-07-06 | 1962-08-17 | Prec Mecanique Labinal | Dispositif de liaison hertzienne, notamment pour une télécommand |
CH460870A (de) * | 1966-09-14 | 1968-08-15 | Philips Nv | Ubertragungsanlage mit einer Sendevorrichtung und einer Empfangsvorrichtung zur Informationsübertragung in einem bestimmten Frequenzband |
FR1536799A (fr) * | 1966-09-14 | 1968-08-16 | Philips Nv | Système pour la transmission d'information dans une bande de fréquences prescrite |
FR2152161A5 (enrdf_load_stackoverflow) * | 1971-09-07 | 1973-04-20 | Boeing Co |
-
1971
- 1971-12-09 FR FR7144215A patent/FR2416597A1/fr not_active Withdrawn
-
1973
- 1973-02-09 BE BE127466A patent/BE795216A/xx unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1301404A (fr) * | 1961-07-06 | 1962-08-17 | Prec Mecanique Labinal | Dispositif de liaison hertzienne, notamment pour une télécommand |
CH460870A (de) * | 1966-09-14 | 1968-08-15 | Philips Nv | Ubertragungsanlage mit einer Sendevorrichtung und einer Empfangsvorrichtung zur Informationsübertragung in einem bestimmten Frequenzband |
FR1536799A (fr) * | 1966-09-14 | 1968-08-16 | Philips Nv | Système pour la transmission d'information dans une bande de fréquences prescrite |
FR2152161A5 (enrdf_load_stackoverflow) * | 1971-09-07 | 1973-04-20 | Boeing Co |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0328836A3 (en) * | 1987-10-27 | 1991-08-14 | Cedcom Network Systems Pty. Limited | Pseudo-passive universal communicator system |
Also Published As
Publication number | Publication date |
---|---|
BE795216A (enrdf_load_stackoverflow) | 1973-08-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |