FR2415393A1 - Telecopieur a codage selectif par inversion de polarite - Google Patents

Telecopieur a codage selectif par inversion de polarite

Info

Publication number
FR2415393A1
FR2415393A1 FR7801892A FR7801892A FR2415393A1 FR 2415393 A1 FR2415393 A1 FR 2415393A1 FR 7801892 A FR7801892 A FR 7801892A FR 7801892 A FR7801892 A FR 7801892A FR 2415393 A1 FR2415393 A1 FR 2415393A1
Authority
FR
France
Prior art keywords
signal
amplitude
frequency
function
reducing distortion
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.)
Granted
Application number
FR7801892A
Other languages
English (en)
French (fr)
Other versions
FR2415393B1 (enrdf_load_html_response
Inventor
Michel Marie Plagnol
Lucien Joseph Lumbroso
Paul Jean Louis Gouraud
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.)
ELECTRONIQUES ET CONST
Original Assignee
ELECTRONIQUES ET CONST
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 ELECTRONIQUES ET CONST filed Critical ELECTRONIQUES ET CONST
Priority to FR7801892A priority Critical patent/FR2415393A1/fr
Publication of FR2415393A1 publication Critical patent/FR2415393A1/fr
Application granted granted Critical
Publication of FR2415393B1 publication Critical patent/FR2415393B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00095—Systems or arrangements for the transmission of the picture signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Dc Digital Transmission (AREA)
FR7801892A 1978-01-24 1978-01-24 Telecopieur a codage selectif par inversion de polarite Granted FR2415393A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7801892A FR2415393A1 (fr) 1978-01-24 1978-01-24 Telecopieur a codage selectif par inversion de polarite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7801892A FR2415393A1 (fr) 1978-01-24 1978-01-24 Telecopieur a codage selectif par inversion de polarite

Publications (2)

Publication Number Publication Date
FR2415393A1 true FR2415393A1 (fr) 1979-08-17
FR2415393B1 FR2415393B1 (enrdf_load_html_response) 1981-08-28

Family

ID=9203766

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7801892A Granted FR2415393A1 (fr) 1978-01-24 1978-01-24 Telecopieur a codage selectif par inversion de polarite

Country Status (1)

Country Link
FR (1) FR2415393A1 (enrdf_load_html_response)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2009933A1 (fr) * 1968-05-22 1970-02-13 Southern Pacific Transport Co Procede de reduction de la largeur de bande necessaire pour la transmission de signaux analogiques
FR2125532A1 (enrdf_load_html_response) * 1971-02-16 1972-09-29 Graphic Sciences Inc

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2009933A1 (fr) * 1968-05-22 1970-02-13 Southern Pacific Transport Co Procede de reduction de la largeur de bande necessaire pour la transmission de signaux analogiques
FR2125532A1 (enrdf_load_html_response) * 1971-02-16 1972-09-29 Graphic Sciences Inc

Also Published As

Publication number Publication date
FR2415393B1 (enrdf_load_html_response) 1981-08-28

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Legal Events

Date Code Title Description
ST Notification of lapse