DE3878282T2 - Fotomechanischer apparat unter verwendung von fotoelektrischer abtastung. - Google Patents

Fotomechanischer apparat unter verwendung von fotoelektrischer abtastung.

Info

Publication number
DE3878282T2
DE3878282T2 DE8888302097T DE3878282T DE3878282T2 DE 3878282 T2 DE3878282 T2 DE 3878282T2 DE 8888302097 T DE8888302097 T DE 8888302097T DE 3878282 T DE3878282 T DE 3878282T DE 3878282 T2 DE3878282 T2 DE 3878282T2
Authority
DE
Germany
Prior art keywords
photoelectric
scan
photomechanical apparatus
photomechanical
photoelectric scan
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
DE8888302097T
Other languages
English (en)
Other versions
DE3878282D1 (de
Inventor
Takashi Numakura
Susumu Kitazawa
Iwao Numakura
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.)
Yamatoya and Co Ltd
Original Assignee
Yamatoya and Co Ltd
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
Priority claimed from JP62165231A external-priority patent/JPS647771A/ja
Application filed by Yamatoya and Co Ltd filed Critical Yamatoya and Co Ltd
Application granted granted Critical
Publication of DE3878282D1 publication Critical patent/DE3878282D1/de
Publication of DE3878282T2 publication Critical patent/DE3878282T2/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
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • H04N1/4072—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
DE8888302097T 1987-03-11 1988-03-10 Fotomechanischer apparat unter verwendung von fotoelektrischer abtastung. Expired - Fee Related DE3878282T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP5583187 1987-03-11
JP6733087 1987-03-20
JP62165231A JPS647771A (en) 1987-03-20 1987-07-03 Photolithographic equipment

Publications (2)

Publication Number Publication Date
DE3878282D1 DE3878282D1 (de) 1993-03-25
DE3878282T2 true DE3878282T2 (de) 1993-09-09

Family

ID=27295721

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888302097T Expired - Fee Related DE3878282T2 (de) 1987-03-11 1988-03-10 Fotomechanischer apparat unter verwendung von fotoelektrischer abtastung.

Country Status (3)

Country Link
US (1) US4833546A (de)
EP (1) EP0286241B1 (de)
DE (1) DE3878282T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2647398B2 (ja) * 1987-12-09 1997-08-27 キヤノン株式会社 画像信号処理装置
JP2796718B2 (ja) * 1988-08-23 1998-09-10 株式会社ヤマトヤ商会 画像の階調変換方法
US5051844A (en) * 1989-01-30 1991-09-24 Eastman Kodak Company Digital halftoning with error diffusion
JP2939270B2 (ja) * 1989-05-31 1999-08-25 株式会社ヤマトヤ商会 画像の階調変換法
JP2787231B2 (ja) * 1989-08-19 1998-08-13 株式会社ヤマトヤ商会 色カブリのない複製画像を製作するための画像の階調変換法
US5117293A (en) * 1989-11-28 1992-05-26 Dainippon Screen Mfg. Co. Ltd. Method of and apparatus for generating conversion curve employable for converting reproduction characteristic of image
JPH03258164A (ja) * 1990-03-08 1991-11-18 Yamatoya & Co Ltd 画像形成装置
JP2873329B2 (ja) * 1990-11-09 1999-03-24 株式会社ヤマトヤ商会 画像の階調変換法
JPH04241368A (ja) * 1991-01-16 1992-08-28 Brother Ind Ltd カラー画像記録装置
JP3129755B2 (ja) * 1991-02-04 2001-01-31 株式会社ヤマトヤ商会 多色製版用墨版カーブの設定法
US5444552A (en) * 1992-09-28 1995-08-22 Xerox Corporation Method for compressing, processing, and storing grayscale bitmaps
US5331438A (en) * 1992-11-30 1994-07-19 Xerox Corporation Method and apparatus for improving full color images using process black and printer black
IL115026A (en) * 1995-08-21 2001-03-19 Scitex Corp Ltd A method for matching object colors to print colors
JPH11215363A (ja) * 1998-01-28 1999-08-06 Toshiba Tec Corp 画像形成装置
US8982419B1 (en) * 2012-05-18 2015-03-17 Marvell International Ltd. Method and apparatus for generating a halftone image from a continuous tone image
DE102017003787A1 (de) 2017-04-20 2017-12-28 Daimler Ag Verfahren und Vorrichtung zur Interaktion mit einer im Innenraum eines Fahrzeuges befindlichen Innenfläche

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5497101A (en) * 1978-01-14 1979-08-01 Yamatoya Shokai Machine for phototype process
JPS5498801A (en) * 1978-01-18 1979-08-04 Yamatoya Shokai Machine for phototype process that is changed into highhgrade
JPS54103101A (en) * 1978-01-30 1979-08-14 Yamatoya Shokai Machine for phototype process that is changed into highhgrade
JPS54115901A (en) * 1978-02-28 1979-09-08 Yamatoya Shokai Mechanism for adjusting highhdegree printing plate making machine tec*
JPS54115902A (en) * 1978-02-28 1979-09-08 Yamatoya Shokai Method of controlling gradation of halfftone image etc*
JPS56102853A (en) * 1980-01-21 1981-08-17 Dainippon Screen Mfg Co Ltd Metho for pretreating image signal of image copying apparatus
JPS5793347A (en) * 1980-12-01 1982-06-10 Dainippon Screen Mfg Co Ltd Correcting circuit in measuring device for halftone dot area rate
JPS59163953A (ja) * 1983-03-08 1984-09-17 Canon Inc 画像処理装置
JPS59226348A (ja) * 1983-06-07 1984-12-19 Dainippon Screen Mfg Co Ltd 画像走査記録装置
US4680646A (en) * 1983-09-05 1987-07-14 Canon Kabushiki Kaisha Image forming device for reproducing a half-tone image
JPS60153264A (ja) * 1984-01-20 1985-08-12 Ricoh Co Ltd 中間調画像伝送方式
US4578713A (en) * 1984-07-20 1986-03-25 The Mead Corporation Multiple mode binary image processing
JPS61261968A (ja) * 1985-05-15 1986-11-20 Dainippon Screen Mfg Co Ltd 網点発生方法および装置
GB8613223D0 (en) * 1986-05-30 1986-07-02 Crosfield Electronics Ltd Half-tone reproduction
JPH06211337A (ja) * 1993-01-14 1994-08-02 Honda Motor Co Ltd 移送物のドア自然開閉式搬送装置

Also Published As

Publication number Publication date
US4833546A (en) 1989-05-23
EP0286241A3 (en) 1989-11-23
EP0286241A2 (de) 1988-10-12
EP0286241B1 (de) 1993-02-10
DE3878282D1 (de) 1993-03-25

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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