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.)
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 IncfiledCriticalDacom Inc
Application grantedgrantedCritical
Publication of AU5227973ApublicationCriticalpatent/AU5227973A/en
Publication of AU477345B2publicationCriticalpatent/AU477345B2/en
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
H04N1/415—Systems 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
AU52279/73A1972-02-171973-02-16Dual-line data compression method and system for compressing, transmitting and reproducing facsimile data
ExpiredAU477345B2
(en)