IT7829077A0 - Dispositivo per diminuire la ridondanza di sequenze di caratteri binari, che descrivono caratteri o modelli grafici. - Google Patents

Dispositivo per diminuire la ridondanza di sequenze di caratteri binari, che descrivono caratteri o modelli grafici.

Info

Publication number
IT7829077A0
IT7829077A0 IT7829077A IT2907778A IT7829077A0 IT 7829077 A0 IT7829077 A0 IT 7829077A0 IT 7829077 A IT7829077 A IT 7829077A IT 2907778 A IT2907778 A IT 2907778A IT 7829077 A0 IT7829077 A0 IT 7829077A0
Authority
IT
Italy
Prior art keywords
redundancy
decreasing
graphic patterns
character sequences
binary character
Prior art date
Application number
IT7829077A
Other languages
English (en)
Other versions
IT1100144B (it
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of IT7829077A0 publication Critical patent/IT7829077A0/it
Application granted granted Critical
Publication of IT1100144B publication Critical patent/IT1100144B/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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/10—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by matrix printers
    • G06K15/102—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by matrix printers using ink jet print heads

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
IT7829077A 1977-10-27 1978-10-25 Dispositivo per diminuire la ridondanza di sequenze di caratteri binari,che descrivono caratteri o modelli grafici IT1100144B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2748289A DE2748289C2 (de) 1977-10-27 1977-10-27 Verfahren und Anordnung zum Vermindern der Redundanz von Zeichen oder grafische Muster beschreibenden binären Zeichenfolgen

Publications (2)

Publication Number Publication Date
IT7829077A0 true IT7829077A0 (it) 1978-10-25
IT1100144B IT1100144B (it) 1985-09-28

Family

ID=6022453

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7829077A IT1100144B (it) 1977-10-27 1978-10-25 Dispositivo per diminuire la ridondanza di sequenze di caratteri binari,che descrivono caratteri o modelli grafici

Country Status (9)

Country Link
US (1) US4204090A (it)
JP (1) JPS5471956A (it)
CA (1) CA1151302A (it)
DE (1) DE2748289C2 (it)
FR (1) FR2407534A1 (it)
GB (1) GB1571748A (it)
IT (1) IT1100144B (it)
NL (1) NL7810740A (it)
SE (1) SE7811141L (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3008874A1 (de) * 1977-10-27 1981-09-17 Siemens AG, 1000 Berlin und 8000 München Verfahren und anordnung zum wahlweisen uebertragen von vorgegebenen zeichen oder graphischen mustern
DE2748253B2 (de) * 1977-10-27 1979-12-06 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren und Anordnung zum wahlweisen Übertragen von vorgegebenen Zeichen oder grafischen Mustern
DE3030648C2 (de) * 1980-08-13 1983-11-10 Siemens AG, 1000 Berlin und 8000 München Verfahren und Anordnung zum Darstellen von Grauwerten bei einer Faksimile-Übertragung
JPS5738165A (en) * 1980-08-18 1982-03-02 Seiko Epson Corp Serial dot printer
SE424927B (sv) * 1980-12-19 1982-08-16 Facit Ab Teckengenerator
DE3048629C2 (de) * 1980-12-23 1982-11-04 Siemens AG, 1000 Berlin und 8000 München Verfahren und Anordnung zur Reduzierung des Speicherplatzbedarfes von Zeichen oder grafische Muster beschreibenden binären Zeichenfolgen in Zeichengeneratoren
DE3132842C2 (de) * 1981-08-19 1985-03-21 Siemens AG, 1000 Berlin und 8000 München Verfahren zur Reduzierung der Redundanz von binären Zeichenfolgen für Matrixdruckverfahren
US4415286A (en) * 1981-09-17 1983-11-15 Printronix, Inc. Variable print density encoder system
US4467363A (en) * 1982-09-27 1984-08-21 International Business Machines Corporation Graphic data compression
US5008033A (en) * 1983-02-16 1991-04-16 The Dow Chemical Company Internal mold release compositions
IT1163792B (it) * 1983-07-15 1987-04-08 Honeywell Inf Systems Italia Apparato di controllo mircoprogrammato per stampante seriale
US4627749A (en) * 1984-02-21 1986-12-09 Pitney Bowes Inc. Character generator system for dot matrix printers

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3414677A (en) * 1964-12-28 1968-12-03 Itt Time-bandwidth reduction by dividing binary type signal into groups and producing coded signal of predetermined characteristic in response to each group
US3502806A (en) * 1966-08-01 1970-03-24 Xerox Corp Modified run length data reduction system
JPS5726023B2 (it) * 1972-10-04 1982-06-02
JPS4991716A (it) * 1972-12-31 1974-09-02
FR2262461A1 (en) * 1974-02-25 1975-09-19 Radio Diffusion Tv Francaise Document facsimile transmission system - uses word-prefix bits related to area length word bits
DE2633978C2 (de) * 1976-07-28 1978-04-20 Oki Electric Industry Co., Ltd., Tokio Verfahren und Schaltungsanordnung zur Zwischenpunktausdruckung bei Punktdruckern
US4107457A (en) * 1977-05-23 1978-08-15 Trw Inc. Transfer terminal with library phrase memory

Also Published As

Publication number Publication date
JPS5471956A (en) 1979-06-08
CA1151302A (en) 1983-08-02
DE2748289B1 (de) 1978-09-28
IT1100144B (it) 1985-09-28
FR2407534A1 (fr) 1979-05-25
FR2407534B1 (it) 1980-12-19
DE2748289C2 (de) 1979-05-23
NL7810740A (nl) 1979-05-02
SE7811141L (sv) 1979-04-28
US4204090A (en) 1980-05-20
GB1571748A (en) 1980-07-16

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