SE400008B - Faksimilskrivare - Google Patents

Faksimilskrivare

Info

Publication number
SE400008B
SE400008B SE7401430A SE7401430A SE400008B SE 400008 B SE400008 B SE 400008B SE 7401430 A SE7401430 A SE 7401430A SE 7401430 A SE7401430 A SE 7401430A SE 400008 B SE400008 B SE 400008B
Authority
SE
Sweden
Prior art keywords
faximil
printer
faximil printer
Prior art date
Application number
SE7401430A
Other languages
English (en)
Inventor
J H Long
Original Assignee
Muirhead Inc
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 Muirhead Inc filed Critical Muirhead Inc
Publication of SE400008B publication Critical patent/SE400008B/sv

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
    • H04N1/4056—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 the pattern varying in one dimension only, e.g. dash length, pulse width modulation [PWM]

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Facsimiles In General (AREA)
SE7401430A 1973-02-05 1974-02-04 Faksimilskrivare SE400008B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00329649A US3830967A (en) 1973-02-05 1973-02-05 Apparatus for half tone marking electrostatic paper

Publications (1)

Publication Number Publication Date
SE400008B true SE400008B (sv) 1978-03-06

Family

ID=23286389

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7401430A SE400008B (sv) 1973-02-05 1974-02-04 Faksimilskrivare

Country Status (7)

Country Link
US (1) US3830967A (sv)
CA (1) CA998164A (sv)
DE (1) DE2401943A1 (sv)
FR (1) FR2216738B1 (sv)
GB (1) GB1447807A (sv)
IT (1) IT1002481B (sv)
SE (1) SE400008B (sv)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4014030A (en) * 1976-02-23 1977-03-22 Xerox Corporation Half-tone imaging with flying spot scanner system
JPS5537092A (en) * 1978-09-05 1980-03-14 Ibm Mode switch for setting threshold value
US4276569A (en) * 1979-04-20 1981-06-30 Exxon Research & Engineering Co. Method and apparatus for producing a facsimile gray scale
JPS57160264A (en) * 1981-03-30 1982-10-02 Canon Inc Recorder of half tone picture
FR2596226B1 (fr) * 1986-03-19 1988-12-02 Vignon Bernard Procede de reproduction d'une image a partir de la numerisation de cette image
JPH02126771A (ja) * 1988-11-07 1990-05-15 Aisin Seiki Co Ltd 画像情報の２値化方法および装置
EP0461121B1 (en) * 1990-01-04 1997-03-19 Eastman Kodak Company Non-impact print apparatus and method for grey level recording
JPH05300346A (ja) * 1992-04-20 1993-11-12 Konica Corp 画像形成装置
US7553152B2 (en) * 2005-06-23 2009-06-30 Honeywell International Inc. Flame detector trapezoidal excitation generator output control circuit and method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3413412A (en) * 1964-12-30 1968-11-26 Xerox Corp Pulse width discriminator circuit for eliminating noise pulses below a predeterminedminimum width
FR1457309A (fr) * 1965-05-13 1966-01-24 Colos Soc Procédé et dispositif électroniques de reproduction des demi-teintes sur électrostencil
US3469028A (en) * 1965-07-05 1969-09-23 Tokyo Shibaura Electric Co Electrode control systems of a multineedle electrode type electrostatic recording device
US3419676A (en) * 1965-07-20 1968-12-31 Stanford Research Inst Line scan printer
DE1487762A1 (de) * 1965-12-30 1969-01-30 Victor Company Of Japan Einrichtung zum magnetischen Aufzeichnen und Wiedergeben eines Bildsignals
US3614307A (en) * 1967-10-16 1971-10-19 Matsushita Electric Ind Co Ltd Discharge lamp modulation system
US3745408A (en) * 1969-02-20 1973-07-10 Ampex Intelligence transducing beam modulation method and apparatus
US3631509A (en) * 1969-07-02 1971-12-28 Varian Associates High-speed coincident pulse electrographic printer with gray scale printing capability

Also Published As

Publication number Publication date
IT1002481B (it) 1976-05-20
DE2401943A1 (de) 1974-08-08
GB1447807A (en) 1976-09-02
FR2216738B1 (sv) 1977-06-10
FR2216738A1 (sv) 1974-08-30
CA998164A (en) 1976-10-05
US3830967A (en) 1974-08-20

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