IT1241308B - Procedimento di codificazione, di trasmissione e di decodificazione per telecopie, apparecchio di emissione ed apparecchio di ricezione per la messa in opera di questo procedimento. - Google Patents

Procedimento di codificazione, di trasmissione e di decodificazione per telecopie, apparecchio di emissione ed apparecchio di ricezione per la messa in opera di questo procedimento.

Info

Publication number
IT1241308B
IT1241308B IT67838A IT6783890A IT1241308B IT 1241308 B IT1241308 B IT 1241308B IT 67838 A IT67838 A IT 67838A IT 6783890 A IT6783890 A IT 6783890A IT 1241308 B IT1241308 B IT 1241308B
Authority
IT
Italy
Prior art keywords
procedure
telecopies
coding
implementation
transmission
Prior art date
Application number
IT67838A
Other languages
English (en)
Other versions
IT9067838A0 (it
IT9067838A1 (it
Inventor
Philippe Charbonnier
Original Assignee
Sagem
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 Sagem filed Critical Sagem
Publication of IT9067838A0 publication Critical patent/IT9067838A0/it
Publication of IT9067838A1 publication Critical patent/IT9067838A1/it
Application granted granted Critical
Publication of IT1241308B publication Critical patent/IT1241308B/it

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
    • H04N1/41—Bandwidth or redundancy reduction
    • H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
    • H04N1/413—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information
    • H04N1/419—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information in which encoding of the length of a succession of picture-elements of the same value along a scanning line is the only encoding step

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Transmission Control (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Communication Control (AREA)
  • Facsimile Image Signal Circuits (AREA)
IT67838A 1989-10-31 1990-10-30 Procedimento di codificazione, di trasmissione e di decodificazione per telecopie, apparecchio di emissione ed apparecchio di ricezione per la messa in opera di questo procedimento. IT1241308B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8914269A FR2653958B3 (fr) 1989-10-31 1989-10-31 Procede de codage, de transmission et de decodage pour telecopies, appareil d'emission et appareil de reception pour la mise en óoeuvre de ce procede.

Publications (3)

Publication Number Publication Date
IT9067838A0 IT9067838A0 (it) 1990-10-30
IT9067838A1 IT9067838A1 (it) 1992-04-30
IT1241308B true IT1241308B (it) 1994-01-10

Family

ID=9386960

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67838A IT1241308B (it) 1989-10-31 1990-10-30 Procedimento di codificazione, di trasmissione e di decodificazione per telecopie, apparecchio di emissione ed apparecchio di ricezione per la messa in opera di questo procedimento.

Country Status (6)

Country Link
BE (1) BE1005376A0 (it)
DE (1) DE4034675A1 (it)
ES (1) ES2024938A6 (it)
FR (1) FR2653958B3 (it)
GB (1) GB2239764B (it)
IT (1) IT1241308B (it)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2127516C2 (de) * 1971-06-03 1982-04-29 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur Übertragung binärcodierter Signale von Bildvorlagen oder Schriftvorlagen
US4058674A (en) * 1973-03-27 1977-11-15 Kabushiki Kaisha Ricoh Graphic information compression method and system
JPS5541015A (en) * 1978-09-18 1980-03-22 Hitachi Ltd Signal processing method in high speed facsimile
JPS59168768A (ja) * 1983-03-15 1984-09-22 Canon Inc フアクシミリ同報装置
GB2146874A (en) * 1983-08-26 1985-04-24 British Telecomm Decoding of minimum redundancy codes
JPS61194934A (ja) * 1985-02-22 1986-08-29 Nec Corp デ−タ通信中継装置
JPS62101173A (ja) * 1985-10-28 1987-05-11 Nec Corp デ−タ再送方式

Also Published As

Publication number Publication date
IT9067838A0 (it) 1990-10-30
ES2024938A6 (es) 1992-03-01
BE1005376A0 (fr) 1993-07-06
GB9023653D0 (en) 1990-12-12
IT9067838A1 (it) 1992-04-30
GB2239764A (en) 1991-07-10
GB2239764B (en) 1993-12-15
DE4034675A1 (de) 1991-06-06
FR2653958A3 (fr) 1991-05-03
FR2653958B3 (fr) 1991-10-18

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Legal Events

Date Code Title Description
0001 Granted