NL173231C - Facsimile-overdrachtstelsel met compressie van de facsimilesignalen. - Google Patents

Facsimile-overdrachtstelsel met compressie van de facsimilesignalen.

Info

Publication number
NL173231C
NL173231C NLAANVRAGE7711841,A NL7711841A NL173231C NL 173231 C NL173231 C NL 173231C NL 7711841 A NL7711841 A NL 7711841A NL 173231 C NL173231 C NL 173231C
Authority
NL
Netherlands
Prior art keywords
facsimil
compression
signals
transfer system
facsimile transfer
Prior art date
Application number
NLAANVRAGE7711841,A
Other languages
English (en)
Dutch (nl)
Other versions
NL7711841A (nl
NL173231B (nl
Original Assignee
Oki Electric Ind Co 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 Oki Electric Ind Co Ltd filed Critical Oki Electric Ind Co Ltd
Publication of NL7711841A publication Critical patent/NL7711841A/xx
Publication of NL173231B publication Critical patent/NL173231B/xx
Application granted granted Critical
Publication of NL173231C publication Critical patent/NL173231C/xx

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
    • H04N1/4135—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information in which a baseband signal showing more than two values or a continuously varying baseband signal is transmitted or recorded
    • 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
    • H04N1/415—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Transmission Control (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Facsimiles In General (AREA)
NLAANVRAGE7711841,A 1976-10-29 1977-10-27 Facsimile-overdrachtstelsel met compressie van de facsimilesignalen. NL173231C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51129378A JPS5819185B2 (ja) 1976-10-29 1976-10-29 情報圧縮フアクシミリ装置

Publications (3)

Publication Number Publication Date
NL7711841A NL7711841A (nl) 1978-05-03
NL173231B NL173231B (nl) 1983-07-18
NL173231C true NL173231C (nl) 1983-12-16

Family

ID=15008090

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7711841,A NL173231C (nl) 1976-10-29 1977-10-27 Facsimile-overdrachtstelsel met compressie van de facsimilesignalen.

Country Status (7)

Country Link
US (1) US4186415A (de)
JP (1) JPS5819185B2 (de)
CA (1) CA1110753A (de)
DE (1) DE2747020C3 (de)
FR (1) FR2369760A1 (de)
GB (1) GB1573774A (de)
NL (1) NL173231C (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5941631B2 (ja) * 1977-12-20 1984-10-08 沖電気工業株式会社 高能率書画電送方式
US4353095A (en) * 1978-01-31 1982-10-05 Matsushita Electric Industrial Co., Ltd. Facsimile bandwidth compression method system and apparatus
JPS54130823A (en) * 1978-04-03 1979-10-11 Hitachi Ltd Skip-system facsimile unit
JPS5541015A (en) * 1978-09-18 1980-03-22 Hitachi Ltd Signal processing method in high speed facsimile
US4366505A (en) * 1978-09-20 1982-12-28 Canon Kabushiki Kaisha Information forming apparatus
US4364024A (en) * 1979-12-07 1982-12-14 International Business Machines Corporation Signature presentation method and apparatus
JPS5775065A (en) * 1980-10-29 1982-05-11 Canon Inc Image transmission method
JPS5781779A (en) * 1980-11-11 1982-05-21 Nec Corp Method for compacting information of facsimile
DE3382253D1 (de) * 1982-05-31 1991-05-23 Fuji Xerox Co Ltd Bilddatenspeichersystem.
US4494150A (en) * 1982-07-13 1985-01-15 International Business Machines Corporation Word autocorrelation redundancy match facsimile compression for text processing systems
US4499499A (en) * 1982-12-29 1985-02-12 International Business Machines Corporation Method for identification and compression of facsimile symbols in text processing systems
JPS6222478U (de) * 1985-04-01 1987-02-10
JPS61185965U (de) * 1985-05-04 1986-11-20
US5657399A (en) * 1991-05-17 1997-08-12 Canon Kabushiki Kaisha Encoding/decoding apparatus using quantizing steps information
US6323961B1 (en) 1992-11-06 2001-11-27 Michael I. Rackman Facsimile machine for printing documents with selectively aligned edges
CZ286929B6 (en) * 1993-08-05 2000-08-16 Motorola Inc Telefax communication process within a communication system with selective calling and communication system for making the same
US5311607A (en) * 1993-08-25 1994-05-10 Crosby Peter A Facsimile machine for printing documents all with corresponding edges aligned but without requiring scanning
US5701125A (en) * 1994-06-15 1997-12-23 The United States Of America As Represented By The United States Department Of Energy Method for compression of data using single pass LZSS and run-length encoding
US5946048A (en) * 1997-03-12 1999-08-31 Hybrid Networks, Inc. Network device for handling digital data over a TV channel
US5946047A (en) * 1997-03-12 1999-08-31 Hybrid Networks, Inc. Network system for handling digital data over a TV channel

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL299582A (de) * 1963-10-22
US3646257A (en) * 1969-03-13 1972-02-29 Electronic Image Systems Corp Communication system having plural coding vocabularies
DE2047219A1 (de) * 1970-09-25 1972-03-30 Bosch Elektronik Gmbh Verfahren zur Übertragung von als Rechteckimpulse wechselnder Länge darge stellten binaren Datenbits
JPS5843943B2 (ja) * 1973-03-27 1983-09-30 株式会社リコー シヨガジヨウホウアツシユクホウシキ
GB1471419A (en) * 1973-04-12 1977-04-27 Kokusai Denshin Denwa Co Ltd Signal conversion system
JPS566182B2 (de) * 1973-05-16 1981-02-09
JPS5122306A (en) * 1974-08-20 1976-02-23 Oki Electric Ind Co Ltd Fuakushimirinadono jushinkirokusochi
JPS5122308A (en) * 1974-08-20 1976-02-23 Oki Electric Ind Co Ltd Fuakushimirinadono soshindensohoshiki
JPS5242014A (en) * 1975-09-29 1977-04-01 Fuji Xerox Co Ltd Run length code processing method for facsimile signal

Also Published As

Publication number Publication date
DE2747020A1 (de) 1978-05-03
JPS5354916A (en) 1978-05-18
DE2747020B2 (de) 1981-03-26
GB1573774A (en) 1980-08-28
JPS5819185B2 (ja) 1983-04-16
FR2369760B1 (de) 1982-12-10
NL7711841A (nl) 1978-05-03
NL173231B (nl) 1983-07-18
DE2747020C3 (de) 1981-12-17
FR2369760A1 (fr) 1978-05-26
CA1110753A (en) 1981-10-13
US4186415A (en) 1980-01-29

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Legal Events

Date Code Title Description
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee