AU5227973A - Dual-line data compression method and system for compressing, transmitting and reproducing facsimile data - Google Patents

Dual-line data compression method and system for compressing, transmitting and reproducing facsimile data

Info

Publication number
AU5227973A
AU5227973A AU52279/73A AU5227973A AU5227973A AU 5227973 A AU5227973 A AU 5227973A AU 52279/73 A AU52279/73 A AU 52279/73A AU 5227973 A AU5227973 A AU 5227973A AU 5227973 A AU5227973 A AU 5227973A
Authority
AU
Australia
Prior art keywords
compressing
dual
transmitting
compression method
data compression
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.)
Expired
Application number
AU52279/73A
Other versions
AU477345B2 (en
Inventor
Joseph Lou Edgar Allan Poe Id Ralph William Austad Donald Richard Weber
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.)
Dacom Inc
Original Assignee
Dacom Inc
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 Dacom Inc filed Critical Dacom Inc
Application granted granted Critical
Publication of AU5227973A publication Critical patent/AU5227973A/en
Publication of AU477345B2 publication Critical patent/AU477345B2/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/41Bandwidth or redundancy reduction
    • H04N1/411Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
    • H04N1/413Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information
    • H04N1/415Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information in which the picture-elements are subdivided or grouped into fixed one-dimensional or two-dimensional blocks
AU52279/73A 1972-02-17 1973-02-16 Dual-line data compression method and system for compressing, transmitting and reproducing facsimile data Expired AU477345B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US22714972A 1972-02-17 1972-02-17
USUS227,149 1972-02-17

Publications (2)

Publication Number Publication Date
AU5227973A true AU5227973A (en) 1974-08-22
AU477345B2 AU477345B2 (en) 1974-08-22

Family

ID=

Also Published As

Publication number Publication date
IT979204B (en) 1974-09-30
DE2307511A1 (en) 1973-09-06
FR2172400A1 (en) 1973-09-28
CA1002175A (en) 1976-12-21
FR2172400B1 (en) 1978-06-23
GB1409364A (en) 1975-10-08
GB1409365A (en) 1975-10-08
DE2307511C2 (en) 1983-05-11
JPS4985913A (en) 1974-08-17
JPS5424604B2 (en) 1979-08-22

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