FR1514592A - Réseau de télécommunication pour la transmission de représentations graphiques - Google Patents

Réseau de télécommunication pour la transmission de représentations graphiques

Info

Publication number
FR1514592A
FR1514592A FR98679A FR98679A FR1514592A FR 1514592 A FR1514592 A FR 1514592A FR 98679 A FR98679 A FR 98679A FR 98679 A FR98679 A FR 98679A FR 1514592 A FR1514592 A FR 1514592A
Authority
FR
France
Prior art keywords
transmission
telecommunications network
graphic representations
representations
graphic
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
FR98679A
Other languages
English (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.)
Xerox Ltd
Original Assignee
Rank Xerox Ltd
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 Rank Xerox Ltd filed Critical Rank Xerox Ltd
Application granted granted Critical
Publication of FR1514592A publication Critical patent/FR1514592A/fr
Expired 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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/12—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using the sheet-feed movement or the medium-advance or the drum-rotation movement as the slow scanning component, e.g. arrangements for the main-scanning
    • H04N1/126—Arrangements for the main scanning
    • H04N1/127—Arrangements for the main scanning using a cathode ray tube or the like
    • 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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/17—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa the scanning speed being dependent on content of picture
    • 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
    • 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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/12—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using the sheet-feed movement or the medium-advance or the drum-rotation movement as the slow scanning component, e.g. arrangements for the main-scanning

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Facsimiles In General (AREA)
FR98679A 1966-03-17 1967-03-14 Réseau de télécommunication pour la transmission de représentations graphiques Expired FR1514592A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US53521066A 1966-03-17 1966-03-17

Publications (1)

Publication Number Publication Date
FR1514592A true FR1514592A (fr) 1968-02-23

Family

ID=24133305

Family Applications (1)

Application Number Title Priority Date Filing Date
FR98679A Expired FR1514592A (fr) 1966-03-17 1967-03-14 Réseau de télécommunication pour la transmission de représentations graphiques

Country Status (6)

Country Link
US (1) US3472953A (fr)
DE (1) DE1512400C3 (fr)
FR (1) FR1514592A (fr)
GB (1) GB1174611A (fr)
NL (1) NL6703942A (fr)
SE (1) SE348915B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3666888A (en) * 1968-06-26 1972-05-30 Communications Satellite Corp Pcm-tv system using a unique word for horizontal time synchronization
US3755624A (en) * 1968-06-26 1973-08-28 Communications Satellite Corp Pcm-tv system using a unique word for horizontal time synchronization
US3622695A (en) * 1968-10-07 1971-11-23 Xerox Corp Facsimile system having incremental stepping paper drive assembly
US3670096A (en) * 1970-06-15 1972-06-13 Bell Telephone Labor Inc Redundancy reduction video encoding with cropping of picture edges
GB1412798A (en) * 1971-10-18 1975-11-05 Matsushita Electric Ind Co Ltd Facsimile system
US3869569A (en) * 1972-05-16 1975-03-04 Xerox Corp Facsimile transceiving apparatus
JPS5341920A (en) * 1976-09-29 1978-04-15 Ricoh Co Ltd Telautograph information reading device
US4193097A (en) * 1977-04-30 1980-03-11 Canon Kabushiki Kaisha Facsimile apparatus
FR2418588A1 (fr) * 1978-02-23 1979-09-21 Cit Alcatel Installation de transmission centralisee de fac-simile
FR2418590A1 (fr) * 1978-02-23 1979-09-21 Cit Alcatel Recepteur de fac-simile a acces multiples
JPS5674279A (en) * 1979-11-20 1981-06-19 Ricoh Co Ltd Developing device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3344231A (en) * 1967-09-26 Encoding and variable scan rate to provide
US2963551A (en) * 1956-10-01 1960-12-06 Technicolor Corp Bandwidth reduction system
US3061672A (en) * 1960-07-25 1962-10-30 Sperry Rand Corp Run length encoder
GB1029815A (en) * 1962-08-29 1966-05-18 Nat Res Dev Improvements in television and like data transmission systems
NL300963A (fr) * 1962-11-26

Also Published As

Publication number Publication date
DE1512400B2 (de) 1977-09-29
NL6703942A (fr) 1967-09-18
GB1174611A (en) 1969-12-17
DE1512400A1 (de) 1969-05-22
SE348915B (fr) 1972-09-11
US3472953A (en) 1969-10-14
DE1512400C3 (de) 1983-11-17

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