IT999369B - Sistema per la compressione di dati mediante codifica a due parole dota to di una memoria fotosensibile e di un associato meccanismo di scansione - Google Patents

Sistema per la compressione di dati mediante codifica a due parole dota to di una memoria fotosensibile e di un associato meccanismo di scansione

Info

Publication number
IT999369B
IT999369B IT31279/73A IT3127973A IT999369B IT 999369 B IT999369 B IT 999369B IT 31279/73 A IT31279/73 A IT 31279/73A IT 3127973 A IT3127973 A IT 3127973A IT 999369 B IT999369 B IT 999369B
Authority
IT
Italy
Prior art keywords
data compression
compression system
scanning mechanism
word coding
associated scanning
Prior art date
Application number
IT31279/73A
Other languages
English (en)
Italian (it)
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of IT999369B publication Critical patent/IT999369B/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
    • 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
    • H04N1/19—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 multi-element arrays
    • H04N1/195—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 multi-element arrays the array comprising a two-dimensional array or a combination of two-dimensional arrays

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
IT31279/73A 1972-12-11 1973-11-14 Sistema per la compressione di dati mediante codifica a due parole dota to di una memoria fotosensibile e di un associato meccanismo di scansione IT999369B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00313898A US3830963A (en) 1972-12-11 1972-12-11 System for data compression by dual word coding having photosensitive memory and associated scanning mechanism

Publications (1)

Publication Number Publication Date
IT999369B true IT999369B (it) 1976-02-20

Family

ID=23217642

Family Applications (1)

Application Number Title Priority Date Filing Date
IT31279/73A IT999369B (it) 1972-12-11 1973-11-14 Sistema per la compressione di dati mediante codifica a due parole dota to di una memoria fotosensibile e di un associato meccanismo di scansione

Country Status (6)

Country Link
US (1) US3830963A (enExample)
JP (1) JPS5346528B2 (enExample)
DE (1) DE2361234C2 (enExample)
FR (1) FR2210055B1 (enExample)
GB (1) GB1450789A (enExample)
IT (1) IT999369B (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4193097A (en) * 1977-04-30 1980-03-11 Canon Kabushiki Kaisha Facsimile apparatus
JPS55606A (en) * 1978-05-15 1980-01-07 Ricoh Co Ltd Facsimile device
JPS5537003A (en) * 1978-09-07 1980-03-14 Hitachi Ltd Facsimile transmitter having redundancy suppression function
US4353096A (en) * 1978-10-05 1982-10-05 Nippon Electric Co., Ltd. Digital facsimile system to band-compress half-tone picture signals
US4467363A (en) * 1982-09-27 1984-08-21 International Business Machines Corporation Graphic data compression
US4701803A (en) * 1984-06-05 1987-10-20 Canon Kabushiki Kaisha Image data compression apparatus
US4626829A (en) * 1985-08-19 1986-12-02 Intelligent Storage Inc. Data compression using run length encoding and statistical encoding
US5751231A (en) * 1996-06-26 1998-05-12 Intel Corporation Method and apparatus for run-length encoding using special long-run codes
CN101878423B (zh) * 2007-11-30 2013-08-21 株式会社岛津制作所 飞行时间测定装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4135214A (en) * 1969-07-02 1979-01-16 Dacom, Inc. Method and apparatus for compressing facsimile transmission data
US3748379A (en) * 1970-01-22 1973-07-24 Electronic Image Sys Corp Run length coding technique
US3689900A (en) * 1970-08-31 1972-09-05 Gen Electric Photo-coded diode array for read only memory
US3739085A (en) * 1971-07-09 1973-06-12 Addressograph Multigraph Coding technique

Also Published As

Publication number Publication date
FR2210055B1 (enExample) 1977-01-07
DE2361234A1 (de) 1974-06-12
JPS4990016A (enExample) 1974-08-28
DE2361234C2 (de) 1982-06-03
GB1450789A (en) 1976-09-29
FR2210055A1 (enExample) 1974-07-05
JPS5346528B2 (enExample) 1978-12-14
US3830963A (en) 1974-08-20

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