DE68928366D1 - Elektronische vorrichtung zur halbtonrasterung graphischer vorlagen - Google Patents

Elektronische vorrichtung zur halbtonrasterung graphischer vorlagen

Info

Publication number
DE68928366D1
DE68928366D1 DE68928366T DE68928366T DE68928366D1 DE 68928366 D1 DE68928366 D1 DE 68928366D1 DE 68928366 T DE68928366 T DE 68928366T DE 68928366 T DE68928366 T DE 68928366T DE 68928366 D1 DE68928366 D1 DE 68928366D1
Authority
DE
Germany
Prior art keywords
halftone
handler
image
screen
bit
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 - Fee Related
Application number
DE68928366T
Other languages
English (en)
Other versions
DE68928366T2 (de
Inventor
Edward Granger
John Hamilton
Larry Wash
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of DE68928366D1 publication Critical patent/DE68928366D1/de
Application granted granted Critical
Publication of DE68928366T2 publication Critical patent/DE68928366T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
DE68928366T 1988-11-16 1989-11-13 Elektronische vorrichtung zur halbtonrasterung graphischer vorlagen Expired - Fee Related DE68928366T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/272,568 US4918622A (en) 1988-11-16 1988-11-16 Electronic graphic arts screener
PCT/US1989/004936 WO1990006032A2 (en) 1988-11-16 1989-11-13 Electronic graphic arts screener

Publications (2)

Publication Number Publication Date
DE68928366D1 true DE68928366D1 (de) 1997-11-06
DE68928366T2 DE68928366T2 (de) 1998-04-16

Family

ID=23040361

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68928366T Expired - Fee Related DE68928366T2 (de) 1988-11-16 1989-11-13 Elektronische vorrichtung zur halbtonrasterung graphischer vorlagen

Country Status (6)

Country Link
US (1) US4918622A (de)
EP (1) EP0444135B1 (de)
JP (1) JPH04501797A (de)
AT (1) ATE158912T1 (de)
DE (1) DE68928366T2 (de)
WO (1) WO1990006032A2 (de)

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US20030058458A1 (en) * 2001-09-24 2003-03-27 Ripit Computer Corporation Image-processing for output on a proofing device
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US7277201B2 (en) * 2003-05-28 2007-10-02 Xerox Corporation Systems and methods for designing digital anamorphic line screens
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Also Published As

Publication number Publication date
JPH04501797A (ja) 1992-03-26
US4918622A (en) 1990-04-17
WO1990006032A3 (en) 1990-07-12
EP0444135A1 (de) 1991-09-04
WO1990006032A2 (en) 1990-05-31
ATE158912T1 (de) 1997-10-15
DE68928366T2 (de) 1998-04-16
EP0444135B1 (de) 1997-10-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee