FR2416597A1 - Procede de codage d'un signal - Google Patents

Procede de codage d'un signal

Info

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Withdrawn
Application number
FR7144215A
Other languages
English (en)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BERGER CLAUDE
Original Assignee
BERGER CLAUDE
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BERGER CLAUDE filed Critical BERGER CLAUDE
Priority to FR7144215A priority Critical patent/FR2416597A1/fr
Priority to BE127466A priority patent/BE795216A/xx
Publication of FR2416597A1 publication Critical patent/FR2416597A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04KSECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00Secret communication
    • H04K1/003Secret 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)
FR7144215A 1971-12-09 1971-12-09 Procede de codage d'un signal Withdrawn FR2416597A1 (fr)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
US4176316A (en) Secure single sideband communication system using modulated noise subcarrier
GB1062130A (en) Method and apparatus for ciphering and deciphering messages
NL6906145A (enrdf_load_stackoverflow)
ES386198A1 (es) Mejoras en la construccion de receptores de radiodifusion para la recepcion de banda de lado unico.
ES344965A1 (es) Un dispositivo de transmision.
GB1079928A (en) A data transmission system
ATA505676A (de) Impulsuebertragungseinrichtung
ES425145A1 (es) Un metodo para convertir una senal de datos en codigo bina-rio en otra senal en codigo de dos impulsos con la misma po-laridad y otros dos con polaridad opuesta por cada bit.
USRE34004E (en) Secure single sideband communication system using modulated noise subcarrier
GB1257584A (enrdf_load_stackoverflow)
FR2416597A1 (fr) Procede de codage d'un signal
GB1227215A (enrdf_load_stackoverflow)
FR2313827A1 (fr) Systeme de transmission de suites d'elements binaires
GB1269693A (en) A band-compressed television signal transmission system
ES285930A1 (es) Un dispositivo de emisión y de recepción de señales de video
GB1429469A (en) Method for subsequently setting data receivers in a contrinuous transmission of encoded data transmitted in binary code form
GB1394077A (en) Multiplexer interval detector
GB1181082A (en) Improvements in or relating to Facsimile Transmission Systems
GB1157870A (en) A Speech Scrambling Device
GB1076557A (en) Improvements in data transmission apparatus
NL7403957A (en) Spread spectrum communication using multiple transmission and access - imparts additional modulating signal to carrier at sender producing sub carrier and code
GB1353017A (en) Data-transmission systems
GB924647A (en) An arrangement comprising apparatus for the sending and receiving of information by phase shift carrier transmission
GB1519779A (en) Apparatus for control of equipment via a single transmissions path
ES390644A1 (es) Un transmisor para la transmision de senales por modulacionde impulsos codificados.

Legal Events

Date Code Title Description
ST Notification of lapse