CA924649A - Electronic halftone image generator - Google Patents

Electronic halftone image generator

Info

Publication number
CA924649A
CA924649A CA066899A CA66899A CA924649A CA 924649 A CA924649 A CA 924649A CA 066899 A CA066899 A CA 066899A CA 66899 A CA66899 A CA 66899A CA 924649 A CA924649 A CA 924649A
Authority
CA
Canada
Prior art keywords
image generator
halftone image
electronic halftone
electronic
generator
Prior art date
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.)
Expired
Application number
CA066899A
Other languages
English (en)
Other versions
CA66899S (en
Inventor
D. Simshauser Elvin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
Original Assignee
RCA Corp
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 RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of CA924649A publication Critical patent/CA924649A/en
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
    • H04N1/4058—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 with details for producing a halftone screen at an oblique angle

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
CA066899A 1968-11-26 1969-11-06 Electronic halftone image generator Expired CA924649A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77907868A 1968-11-26 1968-11-26

Publications (1)

Publication Number Publication Date
CA924649A true CA924649A (en) 1973-04-17

Family

ID=25115254

Family Applications (1)

Application Number Title Priority Date Filing Date
CA066899A Expired CA924649A (en) 1968-11-26 1969-11-06 Electronic halftone image generator

Country Status (5)

Country Link
US (1) US3465199A (cs)
JP (1) JPS4930526B1 (cs)
CA (1) CA924649A (cs)
DE (1) DE1959459B2 (cs)
GB (1) GB1295646A (cs)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1901101A1 (de) * 1969-01-10 1970-10-29 Hell Rudolf Dr Ing Fa Verfahren zur punkt- und zeilenweisen gerasterten Aufzeichnung der durch Abtastung von Halbtonbildern gewonnenen Bildsignale mit gegen die Aufzeichnungsrichtung gedrehtem Raster
US4084183A (en) * 1970-03-18 1978-04-11 Dr. Ing. Rudolf Hell Gmbh. Method for the electro-optical reproduction of half-tone pictures
US3836795A (en) * 1970-11-02 1974-09-17 Aerojet General Co Parallel multiple channel display system
US3742129A (en) * 1971-07-07 1973-06-26 Harris Intertype Corp Apparatus and method for generating halftones for image reproduction
GB1448112A (en) * 1973-02-13 1976-09-02 Int Publishing Corp Ltd Electronic screening
US3961132A (en) * 1974-07-15 1976-06-01 Log Etronics Inc. Sequential image-modulated dot-area recording
US4038493A (en) * 1975-06-13 1977-07-26 Rockwell International Corporation Method and apparatus for phototypesetting
JPS6039685A (ja) * 1983-08-12 1985-03-01 セイコーエプソン株式会社 表示制御装置
JPS6060149U (ja) * 1983-10-04 1985-04-26 株式会社クボタ 管受口の砂落し装置
US5170261A (en) * 1990-11-21 1992-12-08 Polaroid Corporation Printing method
ATE152310T1 (de) * 1990-11-21 1997-05-15 Polaroid Corp Druckverfahren
US5299020A (en) * 1991-03-08 1994-03-29 Scitex Corporation Ltd. Method and apparatus for generating a screened reproduction of an image using stored dot portions

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL263106A (cs) * 1960-04-01
NL299203A (cs) * 1962-07-02
US3500327A (en) * 1965-06-01 1970-03-10 Bunker Ramo Data handling apparatus

Also Published As

Publication number Publication date
JPS4930526B1 (cs) 1974-08-14
DE1959459A1 (de) 1970-06-11
GB1295646A (cs) 1972-11-08
DE1959459B2 (de) 1972-11-23
US3465199A (en) 1969-09-02

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