JPS4917918A - - Google Patents

Info

Publication number
JPS4917918A
JPS4917918A JP47056755A JP5675572A JPS4917918A JP S4917918 A JPS4917918 A JP S4917918A JP 47056755 A JP47056755 A JP 47056755A JP 5675572 A JP5675572 A JP 5675572A JP S4917918 A JPS4917918 A JP S4917918A
Authority
JP
Japan
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.)
Granted
Application number
JP47056755A
Other languages
Japanese (ja)
Other versions
JPS5751310B2 (US06815460-20041109-C00097.png
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 filed Critical
Priority to JP47056755A priority Critical patent/JPS5751310B2/ja
Priority to US365479A priority patent/US3882270A/en
Priority to GB2619173A priority patent/GB1430138A/en
Priority to DE2328288A priority patent/DE2328288C3/de
Publication of JPS4917918A publication Critical patent/JPS4917918A/ja
Publication of JPS5751310B2 publication Critical patent/JPS5751310B2/ja
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
    • H04N1/40—Picture signal circuits
    • H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Facsimile Heads (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP47056755A 1972-06-07 1972-06-07 Expired JPS5751310B2 (US06815460-20041109-C00097.png)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP47056755A JPS5751310B2 (US06815460-20041109-C00097.png) 1972-06-07 1972-06-07
US365479A US3882270A (en) 1972-06-07 1973-05-31 Image transmission system
GB2619173A GB1430138A (en) 1972-06-07 1973-06-01 Image transmission systems
DE2328288A DE2328288C3 (de) 1972-06-07 1973-06-04 Bildübertragungsvorrichtung mit optischer Abtastung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47056755A JPS5751310B2 (US06815460-20041109-C00097.png) 1972-06-07 1972-06-07

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP14660380A Division JPS5664564A (en) 1980-10-20 1980-10-20 Picture transmission system

Publications (2)

Publication Number Publication Date
JPS4917918A true JPS4917918A (US06815460-20041109-C00097.png) 1974-02-16
JPS5751310B2 JPS5751310B2 (US06815460-20041109-C00097.png) 1982-11-01

Family

ID=13036313

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47056755A Expired JPS5751310B2 (US06815460-20041109-C00097.png) 1972-06-07 1972-06-07

Country Status (4)

Country Link
US (1) US3882270A (US06815460-20041109-C00097.png)
JP (1) JPS5751310B2 (US06815460-20041109-C00097.png)
DE (1) DE2328288C3 (US06815460-20041109-C00097.png)
GB (1) GB1430138A (US06815460-20041109-C00097.png)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5093522A (US06815460-20041109-C00097.png) * 1973-12-19 1975-07-25
JPS50116215A (US06815460-20041109-C00097.png) * 1974-02-26 1975-09-11
JPS54137912A (en) * 1978-04-19 1979-10-26 Hitachi Ltd Picture quantization system
JPS5592074A (en) * 1979-01-01 1980-07-12 Ricoh Co Ltd Picture reader
JPS55150667A (en) * 1979-05-14 1980-11-22 Hitachi Ltd Picture signal quantizing system
JPS5664564A (en) * 1980-10-20 1981-06-01 Ricoh Co Ltd Picture transmission system
JPS6377666U (US06815460-20041109-C00097.png) * 1986-11-04 1988-05-23
JPS6411665A (en) * 1987-07-01 1989-01-17 Kubota Ltd Fountain apparatus
JPH0245588U (US06815460-20041109-C00097.png) * 1988-09-16 1990-03-28

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4045792A (en) * 1974-05-08 1977-08-30 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Analog to digital converter for two-dimensional radiant energy array computers
US3965290A (en) * 1975-03-21 1976-06-22 Dacom, Inc. Video-to-binary conversion apparatus having moire suppression characteristics
US3953668A (en) * 1975-05-27 1976-04-27 Bell Telephone Laboratories, Incorporated Method and arrangement for eliminating flicker in interlaced ordered dither images
US3967052A (en) * 1975-07-17 1976-06-29 Bell Telephone Laboratories, Incorporated Image transmission method and apparatus
JPS54146528A (en) * 1978-05-09 1979-11-15 Nec Corp Electron distribution recording device
US4266249A (en) * 1978-09-19 1981-05-05 Bell Telephone Laboratories, Incorporated Digital encoder for facsimile transmission
US4353096A (en) * 1978-10-05 1982-10-05 Nippon Electric Co., Ltd. Digital facsimile system to band-compress half-tone picture signals
JPS57123766A (en) * 1981-01-23 1982-08-02 Ricoh Co Ltd Density gradation processing system of digital facsimile
DE3107655A1 (de) * 1981-02-27 1982-09-16 Siemens AG, 1000 Berlin und 8000 München Verfahren zum auffinden und abgrenzen von textbereichen auf einer vorlage, die text-, graphik- und/oder bildbereiche enthalten kann
DE3118458C2 (de) * 1981-05-09 1984-11-22 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Lichtaufnahme-Vorrichtung
US4455572A (en) * 1982-01-15 1984-06-19 The United States Of America As Represented By The Secretary Of The Navy Flicker free stretched grams
US4873537A (en) * 1985-06-08 1989-10-10 Canon Kabushiki Kaisha Image recording apparatus for producing a plurality of pulse width modulated signals on the basis of image data
US4800442A (en) * 1985-08-15 1989-01-24 Canon Kabushiki Kaisha Apparatus for generating an image from a digital video signal
US4782398A (en) * 1986-02-14 1988-11-01 Canon Kabushiki Kaisha Image processing apparatus
DE102007010235A1 (de) * 2007-03-02 2008-09-04 Toposys Topographische Systemdaten Gmbh Faseroptischer Scanner

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3210462A (en) * 1961-05-04 1965-10-05 Aeroflex Lab Inc Electro-optical film-scanning system
US3240106A (en) * 1962-03-08 1966-03-15 Mosaic Fabrications Inc Fiber optical scanning device
US3393269A (en) * 1964-04-22 1968-07-16 Zeuthen & Aagaard As Method and apparatus for producing a laminar printing forme
US3609229A (en) * 1967-10-26 1971-09-28 Virgilio Mosca Apparatus for the high-speed transmission and reception of two-level images
FR2077475B1 (US06815460-20041109-C00097.png) * 1969-12-31 1976-07-23 Radiotechnique Compelec
DE2017432A1 (de) * 1970-04-11 1971-10-28 Bosch Elektronik Gmbh Verfahren zur elektrischen Übertragung von Bildvorlagen mit schwarzen, weißen und grauen Helligkeitswerten
US3697683A (en) * 1970-12-07 1972-10-10 Eg & G Inc Facsimile scan line response equalization system
US3715498A (en) * 1971-09-07 1973-02-06 Rca Corp Scanning system which includes means for controlling picture sampling density
US3770910A (en) * 1972-04-21 1973-11-06 C Rose Apparatus for recording sound on microfiche

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5093522A (US06815460-20041109-C00097.png) * 1973-12-19 1975-07-25
JPS50116215A (US06815460-20041109-C00097.png) * 1974-02-26 1975-09-11
JPS54137912A (en) * 1978-04-19 1979-10-26 Hitachi Ltd Picture quantization system
JPS5592074A (en) * 1979-01-01 1980-07-12 Ricoh Co Ltd Picture reader
JPS6311827B2 (US06815460-20041109-C00097.png) * 1979-01-01 1988-03-16 Ricoh Kk
JPS55150667A (en) * 1979-05-14 1980-11-22 Hitachi Ltd Picture signal quantizing system
JPS5664564A (en) * 1980-10-20 1981-06-01 Ricoh Co Ltd Picture transmission system
JPS6377666U (US06815460-20041109-C00097.png) * 1986-11-04 1988-05-23
JPS6411665A (en) * 1987-07-01 1989-01-17 Kubota Ltd Fountain apparatus
JPH0245588U (US06815460-20041109-C00097.png) * 1988-09-16 1990-03-28

Also Published As

Publication number Publication date
DE2328288C3 (de) 1975-07-17
GB1430138A (en) 1976-03-31
DE2328288A1 (de) 1973-12-13
DE2328288B2 (de) 1974-11-28
US3882270A (en) 1975-05-06
JPS5751310B2 (US06815460-20041109-C00097.png) 1982-11-01

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