FR2415393B1 - - Google Patents

Info

Publication number
FR2415393B1
FR2415393B1 FR7801892A FR7801892A FR2415393B1 FR 2415393 B1 FR2415393 B1 FR 2415393B1 FR 7801892 A FR7801892 A FR 7801892A FR 7801892 A FR7801892 A FR 7801892A FR 2415393 B1 FR2415393 B1 FR 2415393B1
Authority
FR
France
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.)
Expired
Application number
FR7801892A
Other languages
French (fr)
Other versions
FR2415393A1 (en
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/en
Publication of FR2415393A1 publication Critical patent/FR2415393A1/en
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 Graphical signals transmitter for telecopier - inverts signal polarity as function of amplitude and frequency for reducing distortion Granted FR2415393A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7801892A FR2415393A1 (en) 1978-01-24 1978-01-24 Graphical signals transmitter for telecopier - inverts signal polarity as function of amplitude and frequency for reducing distortion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7801892A FR2415393A1 (en) 1978-01-24 1978-01-24 Graphical signals transmitter for telecopier - inverts signal polarity as function of amplitude and frequency for reducing distortion

Publications (2)

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

Family

ID=9203766

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7801892A Granted FR2415393A1 (en) 1978-01-24 1978-01-24 Graphical signals transmitter for telecopier - inverts signal polarity as function of amplitude and frequency for reducing distortion

Country Status (1)

Country Link
FR (1) FR2415393A1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3538246A (en) * 1968-05-22 1970-11-03 Southern Pacific Transport Co Bandwidth reduction technique for analog signals
US3761610A (en) * 1971-02-16 1973-09-25 Graphics Sciences Inc High speed fascimile systems

Also Published As

Publication number Publication date
FR2415393A1 (en) 1979-08-17

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Legal Events

Date Code Title Description
ST Notification of lapse