JPS59163967A - 像再生装置 - Google Patents

像再生装置

Info

Publication number
JPS59163967A
JPS59163967A JP58037709A JP3770983A JPS59163967A JP S59163967 A JPS59163967 A JP S59163967A JP 58037709 A JP58037709 A JP 58037709A JP 3770983 A JP3770983 A JP 3770983A JP S59163967 A JPS59163967 A JP S59163967A
Authority
JP
Japan
Prior art keywords
color
signal
image
output
unit
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.)
Granted
Application number
JP58037709A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0234509B2 (enrdf_load_stackoverflow
Inventor
Shunichi Abe
俊一 阿部
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Priority to JP58037709A priority Critical patent/JPS59163967A/ja
Priority to DE19843408336 priority patent/DE3408336A1/de
Publication of JPS59163967A publication Critical patent/JPS59163967A/ja
Priority to US07/323,162 priority patent/US4888636A/en
Priority to US07/391,314 priority patent/US5191361A/en
Publication of JPH0234509B2 publication Critical patent/JPH0234509B2/ja
Priority to US07/942,801 priority patent/US5343233A/en
Granted 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
    • H04N1/40006—Compensating for the effects of ageing, i.e. changes over time
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
    • 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
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/603—Colour correction or control controlled by characteristics of the picture signal generator or the picture reproducer
    • H04N1/6033—Colour correction or control controlled by characteristics of the picture signal generator or the picture reproducer using test pattern analysis

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Image Communication Systems (AREA)
JP58037709A 1983-03-08 1983-03-08 像再生装置 Granted JPS59163967A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP58037709A JPS59163967A (ja) 1983-03-08 1983-03-08 像再生装置
DE19843408336 DE3408336A1 (de) 1983-03-08 1984-03-07 Bildreproduktionssystem
US07/323,162 US4888636A (en) 1983-03-08 1989-03-15 Image reproducing system
US07/391,314 US5191361A (en) 1983-03-08 1989-08-09 Image reproducing system
US07/942,801 US5343233A (en) 1983-03-08 1992-09-10 Image reproducing system having means for generating a pattern signal including a plurality of memories

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58037709A JPS59163967A (ja) 1983-03-08 1983-03-08 像再生装置

Publications (2)

Publication Number Publication Date
JPS59163967A true JPS59163967A (ja) 1984-09-17
JPH0234509B2 JPH0234509B2 (enrdf_load_stackoverflow) 1990-08-03

Family

ID=12505046

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58037709A Granted JPS59163967A (ja) 1983-03-08 1983-03-08 像再生装置

Country Status (1)

Country Link
JP (1) JPS59163967A (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6180264A (ja) * 1984-09-28 1986-04-23 Ricoh Co Ltd カラ−電子複写方式における階調性補正方法
JPS61224663A (ja) * 1985-03-25 1986-10-06 ジヨンソン・アンド・ジヨンソン・ウルトラサウンド・インコーポレイテツド コピー画像のコントラスト制御
JPS64580A (en) * 1986-11-20 1989-01-05 Konica Corp Color image forming device
JPH07209955A (ja) * 1995-01-20 1995-08-11 Ricoh Co Ltd 階調性補正方法
JPH08305524A (ja) * 1996-04-01 1996-11-22 Canon Inc 像形成装置
JP2015232540A (ja) * 2014-02-20 2015-12-24 株式会社リコー 分光特性取得装置、画像評価装置及び画像形成装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6180264A (ja) * 1984-09-28 1986-04-23 Ricoh Co Ltd カラ−電子複写方式における階調性補正方法
JPS61224663A (ja) * 1985-03-25 1986-10-06 ジヨンソン・アンド・ジヨンソン・ウルトラサウンド・インコーポレイテツド コピー画像のコントラスト制御
JPS64580A (en) * 1986-11-20 1989-01-05 Konica Corp Color image forming device
JPH07209955A (ja) * 1995-01-20 1995-08-11 Ricoh Co Ltd 階調性補正方法
JPH08305524A (ja) * 1996-04-01 1996-11-22 Canon Inc 像形成装置
JP2015232540A (ja) * 2014-02-20 2015-12-24 株式会社リコー 分光特性取得装置、画像評価装置及び画像形成装置

Also Published As

Publication number Publication date
JPH0234509B2 (enrdf_load_stackoverflow) 1990-08-03

Similar Documents

Publication Publication Date Title
US4888636A (en) Image reproducing system
US5724627A (en) Image forming apparatus which calculates toner consumption in accordance with tone correction
US5142356A (en) Color image reading apparatus or color image forming apparatus capable of performing color adjustment
US4980760A (en) Image processing apparatus
US4679073A (en) Color image reading apparatus with white balance system for controlling the intensity of a light source illuminating a color document
US4987484A (en) Halftone image signal processing apparatus in which pixels of a dither threshold pattern are each divided into an operator-selected number of micropixels
US5077605A (en) Color image reading apparatus having shading correction for plural color component signals
US7310483B2 (en) Image-forming apparatus and image-forming method for making development using light toner and dark toner with substantially the same hue
JPH04204461A (ja) 画像濃度制御装置
US5191361A (en) Image reproducing system
JPS59163968A (ja) カラ−システム
JPH04204763A (ja) デジタル画像形成装置
JPS60189362A (ja) 画像再生システム
JPS59163967A (ja) 像再生装置
JPS59163970A (ja) カラ−システム
JP2993556B2 (ja) カラー画像出力装置
US5959650A (en) Apparatus for forming an image with use of electrophotographic process
US5719613A (en) Apparatus for forming an image with use of electrophotographic process
JPH0670168A (ja) デジタル画像形成装置
JPS59170864A (ja) 画像処理装置
JP2568381B2 (ja) カラー画像形成装置
JPH075737A (ja) 画像濃度制御装置
JP2810365B2 (ja) 画像形成装置
JPS6331355A (ja) 複写装置
JP2000127499A (ja) 画像形成装置及びその制御方法