JPH0451825B2 - - Google Patents

Info

Publication number
JPH0451825B2
JPH0451825B2 JP57124461A JP12446182A JPH0451825B2 JP H0451825 B2 JPH0451825 B2 JP H0451825B2 JP 57124461 A JP57124461 A JP 57124461A JP 12446182 A JP12446182 A JP 12446182A JP H0451825 B2 JPH0451825 B2 JP H0451825B2
Authority
JP
Japan
Prior art keywords
density
value
original
frequency
document
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 - Lifetime
Application number
JP57124461A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5915264A (ja
Inventor
Koji Sasaki
Keiichi Yoshida
Akira Sawaki
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.)
Konica Minolta Inc
Original Assignee
Konica Minolta 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 Konica Minolta Inc filed Critical Konica Minolta Inc
Priority to JP57124461A priority Critical patent/JPS5915264A/ja
Publication of JPS5915264A publication Critical patent/JPS5915264A/ja
Publication of JPH0451825B2 publication Critical patent/JPH0451825B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
    • G03G15/5025—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the original characteristics, e.g. contrast, density

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Developing For Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
JP57124461A 1982-07-19 1982-07-19 複写機の画像制御装置 Granted JPS5915264A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57124461A JPS5915264A (ja) 1982-07-19 1982-07-19 複写機の画像制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57124461A JPS5915264A (ja) 1982-07-19 1982-07-19 複写機の画像制御装置

Publications (2)

Publication Number Publication Date
JPS5915264A JPS5915264A (ja) 1984-01-26
JPH0451825B2 true JPH0451825B2 (en]) 1992-08-20

Family

ID=14886091

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57124461A Granted JPS5915264A (ja) 1982-07-19 1982-07-19 複写機の画像制御装置

Country Status (1)

Country Link
JP (1) JPS5915264A (en])

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60173566A (ja) * 1984-02-20 1985-09-06 Konishiroku Photo Ind Co Ltd 複写装置
JPS60173561A (ja) * 1984-02-20 1985-09-06 Konishiroku Photo Ind Co Ltd 複写装置
JPS60173563A (ja) * 1984-02-20 1985-09-06 Konishiroku Photo Ind Co Ltd 複写装置
JPS60173562A (ja) * 1984-02-20 1985-09-06 Konishiroku Photo Ind Co Ltd 複写装置
JPS60173564A (ja) * 1984-02-20 1985-09-06 Konishiroku Photo Ind Co Ltd 複写装置
JPH0614215B2 (ja) * 1984-09-28 1994-02-23 株式会社リコー カラ−電子複写方式における階調性補正方法
JPS6163864A (ja) * 1984-09-04 1986-04-02 Konishiroku Photo Ind Co Ltd 自動画像濃度調整装置
JPS6187172A (ja) * 1984-10-05 1986-05-02 Ricoh Co Ltd 画像形成方法
JPH0524923Y2 (en]) * 1985-07-22 1993-06-24
JP2679723B2 (ja) * 1995-01-20 1997-11-19 株式会社リコー 階調性補正方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS543546A (en) * 1977-06-10 1979-01-11 Canon Inc Exposure device
JPS55130535A (en) * 1979-03-30 1980-10-09 Toshiba Corp Exposure lamp control circuit of copying apparatus
JPS6051105B2 (ja) * 1979-12-24 1985-11-12 株式会社東芝 自動画質制御複写機

Also Published As

Publication number Publication date
JPS5915264A (ja) 1984-01-26

Similar Documents

Publication Publication Date Title
US6377758B1 (en) Method and system for analyzing imaging problems
US5173733A (en) Method and apparatus for disabling defective sections on a photoreceptor in an electrophotographic printer
JPS6051105B2 (ja) 自動画質制御複写機
JPS6235108B2 (en])
JPH0451825B2 (en])
EP0162196A1 (en) Method of determining the density distribution of an original and of copying the same
US5887222A (en) Image forming apparatus and method for controlling exposure conditions
EP0117533A1 (en) Automatic developing bias control device
JPH0541993B2 (en])
JPS6057868A (ja) 画像濃度制御方法
JPH0326834B2 (en])
JP2000187397A (ja) 画像形成装置
JPS63137224A (ja) 自動露光装置
JPS5915947A (ja) 複写機の画像制御装置
JPS5949566A (ja) 原稿濃度検出装置
JPS61124973A (ja) 画像形成装置
JP2999514B2 (ja) 背景監視装置を備えた複写機
JPS5949559A (ja) 複写機の画像濃度制御装置
JPH0135345B2 (en])
EP0526238B1 (en) A color electrophotographic apparatus
JPS6066271A (ja) 記録装置
JPH0135346B2 (en])
JP3160027B2 (ja) 画像形成装置
JP2005308833A (ja) 画像形成装置
JPH031664B2 (en])