BE747350A - Systeme de communication code - Google Patents

Systeme de communication code

Info

Publication number
BE747350A
BE747350A BE747350DA BE747350A BE 747350 A BE747350 A BE 747350A BE 747350D A BE747350D A BE 747350DA BE 747350 A BE747350 A BE 747350A
Authority
BE
Belgium
Prior art keywords
communication system
code communication
code
communication
Prior art date
Application number
Other languages
English (en)
Inventor
P Epstein
J E Cunningham
R E Wernikoff
G Rosen
Original Assignee
Electronic Image Systems Corp
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 Electronic Image Systems Corp filed Critical Electronic Image Systems Corp
Publication of BE747350A publication Critical patent/BE747350A/fr

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimiles In General (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Facsimile Scanning Arrangements (AREA)
BE747350D 1969-03-13 1970-03-13 Systeme de communication code BE747350A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80681069A 1969-03-13 1969-03-13

Publications (1)

Publication Number Publication Date
BE747350A true BE747350A (fr) 1970-08-17

Family

ID=25194896

Family Applications (1)

Application Number Title Priority Date Filing Date
BE747350D BE747350A (fr) 1969-03-13 1970-03-13 Systeme de communication code

Country Status (7)

Country Link
US (1) US3646257A (fr)
BE (1) BE747350A (fr)
CA (1) CA922635A (fr)
DE (1) DE2011801A1 (fr)
FR (1) FR2034901A7 (fr)
GB (1) GB1292682A (fr)
NL (1) NL7003185A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4843817A (fr) * 1971-10-07 1973-06-25
US3781847A (en) * 1971-11-12 1973-12-25 Den Bosch F Van Selective information retrieval systems
US4034406A (en) * 1971-11-29 1977-07-05 Matsushita Electric Industrial Co., Ltd. Facsimile signal transmission system
US3751582A (en) * 1971-12-08 1973-08-07 Addressograph Multigraph Stored program facsimile control system
JPS539888B2 (fr) * 1973-11-01 1978-04-10
US3935379A (en) * 1974-05-09 1976-01-27 General Dynamics Corporation Method of and system for adaptive run length encoding of image representing digital information
DE2516332A1 (de) * 1975-04-15 1976-10-28 Siemens Ag Verfahren zur codierung von elektrischen signalen, die bei der abtastung eines graphischen musters mit aus text und bild gemischtem inhalt gewonnen werden
JPS5819185B2 (ja) * 1976-10-29 1983-04-16 沖電気工業株式会社 情報圧縮フアクシミリ装置
JPS5564445A (en) * 1978-11-08 1980-05-15 Nec Corp Code converter circuit
GB2101442B (en) * 1981-04-27 1985-09-11 Canon Kk Multiple copy facsimile system
EP0149124B1 (fr) * 1984-01-16 1990-10-31 International Business Machines Corporation Procédé de codage et de décodage d'une image numérique
US4725815A (en) * 1984-01-16 1988-02-16 International Business Machines Corporation Method for encoding and decoding a digital image
US4899394A (en) * 1986-05-09 1990-02-06 Prodigy Systems Corporation Apparatus and method for image compression

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2978535A (en) * 1960-01-28 1961-04-04 Bell Telephone Labor Inc Optimal run length coding of image signals
US3204026A (en) * 1962-04-30 1965-08-31 William J Casey Narrow bandwidth scanning system
US3189873A (en) * 1962-08-09 1965-06-15 Control Data Corp Scanning pattern normalizer
US3347981A (en) * 1964-03-18 1967-10-17 Polaroid Corp Method for transmitting digital data in connection with document reproduction system
US3474442A (en) * 1966-10-03 1969-10-21 Xerox Corp Format generator circuit
US3459888A (en) * 1968-01-02 1969-08-05 Xerox Corp Selective photocopier

Also Published As

Publication number Publication date
FR2034901A7 (fr) 1970-12-18
US3646257A (en) 1972-02-29
GB1292682A (en) 1972-10-11
DE2011801A1 (de) 1970-10-08
NL7003185A (fr) 1970-09-15
CA922635A (en) 1973-03-13

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