BE857245A - Faksimileschakeling - Google Patents

Faksimileschakeling

Info

Publication number
BE857245A
BE857245A BE179713A BE179713A BE857245A BE 857245 A BE857245 A BE 857245A BE 179713 A BE179713 A BE 179713A BE 179713 A BE179713 A BE 179713A BE 857245 A BE857245 A BE 857245A
Authority
BE
Belgium
Prior art keywords
faksimile
switch
faksimile switch
Prior art date
Application number
BE179713A
Other languages
English (en)
Original Assignee
Belge Lampes Mat Electr Mble
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 Belge Lampes Mat Electr Mble filed Critical Belge Lampes Mat Electr Mble
Priority to BE179713A priority Critical patent/BE857245A/nl
Publication of BE857245A publication Critical patent/BE857245A/nl
Priority to US05/917,974 priority patent/US4208677A/en
Priority to DE2832109A priority patent/DE2832109C2/de
Priority to SE7808127A priority patent/SE438933B/sv
Priority to JP53090052A priority patent/JPS5932027B2/ja
Priority to FR7821991A priority patent/FR2399167B1/fr
Priority to IT68775/78A priority patent/IT1160444B/it
Priority to GB787831044A priority patent/GB2001825B/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40Picture signal circuits
    • H04N1/403Discrimination between the two tones in the picture signal of a two-tone original
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40Picture signal circuits
    • H04N1/40062Discrimination between different image types, e.g. two-tone, continuous tone
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40Picture signal circuits
    • H04N1/405Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • H04N1/4051Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a dispersed dots halftone pattern, the dots having substantially the same size

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
BE179713A 1977-07-28 1977-07-28 Faksimileschakeling BE857245A (nl)

Priority Applications (8)

Application Number Priority Date Filing Date Title
BE179713A BE857245A (nl) 1977-07-28 1977-07-28 Faksimileschakeling
US05/917,974 US4208677A (en) 1977-07-28 1978-06-22 Facsimile circuit
DE2832109A DE2832109C2 (de) 1977-07-28 1978-07-21 Faksimileschaltung
SE7808127A SE438933B (sv) 1977-07-28 1978-07-25 Faksimilkrets
JP53090052A JPS5932027B2 (ja) 1977-07-28 1978-07-25 フアクシミリ回路
FR7821991A FR2399167B1 (fr) 1977-07-28 1978-07-25 Circuit de fac-simile
IT68775/78A IT1160444B (it) 1977-07-28 1978-07-25 Circuito di trasmissione in facsimile
GB787831044A GB2001825B (en) 1977-07-28 1978-07-25 Facsimile circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE179713A BE857245A (nl) 1977-07-28 1977-07-28 Faksimileschakeling

Publications (1)

Publication Number Publication Date
BE857245A true BE857245A (nl) 1977-11-14

Family

ID=3843024

Family Applications (1)

Application Number Title Priority Date Filing Date
BE179713A BE857245A (nl) 1977-07-28 1977-07-28 Faksimileschakeling

Country Status (8)

Country Link
US (1) US4208677A (nl)
JP (1) JPS5932027B2 (nl)
BE (1) BE857245A (nl)
DE (1) DE2832109C2 (nl)
FR (1) FR2399167B1 (nl)
GB (1) GB2001825B (nl)
IT (1) IT1160444B (nl)
SE (1) SE438933B (nl)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2429528A1 (fr) * 1978-06-19 1980-01-18 Hell Rudolf Gmbh Dispositif d'exploration utilisable notamment pour la transmission de fac-similes
FR2511828A1 (fr) * 1981-08-18 1983-02-25 Philips Nv Dispositif de transmission de fac-similes

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55133182A (en) * 1979-04-03 1980-10-16 Ricoh Co Ltd Picture processing unit
DE3024322A1 (de) * 1980-06-27 1982-01-21 Siemens AG, 1000 Berlin und 8000 München Verfahren zur codierung von elektrischen signalen, die bei der abtastung eines grafischen musters mit aus text und bildern gemischtem inhalt gewonnen werden
JPS6027227B2 (ja) * 1980-09-09 1985-06-27 富士ゼロックス株式会社 画像読取り装置
JPS5752261A (en) * 1980-09-11 1982-03-27 Canon Inc Character processor
JPS57129566A (en) * 1981-02-05 1982-08-11 Kokusai Denshin Denwa Co Ltd <Kdd> Control system of linear scan type output device
GB2103449B (en) * 1981-06-29 1985-05-30 Nippon Telegraph & Telephone Method and apparatus for gray level signal processing
GB2114847B (en) * 1981-12-26 1986-02-12 Konishiroku Photo Ind Apparatus for discriminating between linear and tonal picture video signals
JPS5912671A (ja) * 1982-07-12 1984-01-23 Dainippon Screen Mfg Co Ltd 画像走査記録方法
JPS59156070A (ja) * 1983-02-25 1984-09-05 Canon Inc 画像処理装置
EP0120980B1 (de) * 1983-03-30 1987-06-24 Ibm Deutschland Gmbh Schaltungsanordnung für die Kompensation von Übersprechen bei elektrooptischen Abtastvorrichtungen
JPH0683365B2 (ja) * 1983-05-25 1994-10-19 キヤノン株式会社 画像処理装置
JPS59223073A (ja) * 1983-06-01 1984-12-14 Canon Inc 画像処理装置
JPS59223074A (ja) * 1983-06-01 1984-12-14 Canon Inc 像処理装置
GB2170373B (en) * 1984-12-28 1989-03-15 Canon Kk Image processing apparatus
US4704637A (en) * 1985-06-21 1987-11-03 Canon Kabushiki Kaisha Image processing apparatus
US4719517A (en) * 1986-02-24 1988-01-12 Alden Research Foundation Teletype compatible facsimile recorder

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2255408A (en) * 1939-10-19 1941-09-09 Richard W Carlisle Facsimile system
US3622698A (en) * 1969-03-03 1971-11-23 Magnavox Co Facsimile system with selective contrast control
US3723649A (en) * 1971-04-27 1973-03-27 Electronic Image Syst Corp Adaptive binary state decision system
US4084196A (en) * 1977-01-31 1978-04-11 Dacom, Inc. Electronic half-tone generating means for facsimile reproduction system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2429528A1 (fr) * 1978-06-19 1980-01-18 Hell Rudolf Gmbh Dispositif d'exploration utilisable notamment pour la transmission de fac-similes
FR2511828A1 (fr) * 1981-08-18 1983-02-25 Philips Nv Dispositif de transmission de fac-similes

Also Published As

Publication number Publication date
GB2001825A (en) 1979-02-07
IT1160444B (it) 1987-03-11
DE2832109C2 (de) 1983-01-20
JPS5425615A (en) 1979-02-26
FR2399167A1 (fr) 1979-02-23
SE7808127L (sv) 1979-01-29
JPS5932027B2 (ja) 1984-08-06
IT7868775A0 (it) 1978-07-25
US4208677A (en) 1980-06-17
DE2832109A1 (de) 1979-02-08
FR2399167B1 (fr) 1985-09-13
SE438933B (sv) 1985-05-13
GB2001825B (en) 1982-01-27

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: MANUFACTURE BELGE DE LAMPES ET DE MATERIEL ELECTRO

Effective date: 19910731