JPS6490465A - Color copying machine possessing color correction function - Google Patents

Color copying machine possessing color correction function

Info

Publication number
JPS6490465A
JPS6490465A JP62248972A JP24897287A JPS6490465A JP S6490465 A JPS6490465 A JP S6490465A JP 62248972 A JP62248972 A JP 62248972A JP 24897287 A JP24897287 A JP 24897287A JP S6490465 A JPS6490465 A JP S6490465A
Authority
JP
Japan
Prior art keywords
color
image
transferred
yellow
toner
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.)
Pending
Application number
JP62248972A
Other languages
Japanese (ja)
Inventor
Yasutaka Maeda
Takeshi Miyamoto
Yukihiko Ueno
Hiromi Washio
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP62248972A priority Critical patent/JPS6490465A/en
Priority to US07/239,446 priority patent/US4943834A/en
Publication of JPS6490465A publication Critical patent/JPS6490465A/en
Pending 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Color Electrophotography (AREA)

Abstract

PURPOSE:To easily form an excellent color image by performing the color separation of the reflected light of an original, detecting spectral color information by means of an optical sensor and setting toner adhesion controlled variable such as exposure and the electrification potential of a photosensitive body. CONSTITUTION:When a color original is scanned with an optical system 6, only blue light thereof is transmitted through a color separation filter 68 and the photo sensitive body 2 is exposed at an exposing point P. A latent image having the information of blue color is thus formed and yellow toner is made to adhere to it by a developing device 23a. The yellow toner image is transferred on a transfer body 24 by a 1st transfer charger 24a. Then the same operation is performed as for the green light, magenta toner image is transferred. As for red light, cyanogen toner image is transferred and superposed on the yellow and magenta toner images. Thus, the excellent color copied image can be easily formed and the burdens of an operator in operation can be decreased.
JP62248972A 1987-09-30 1987-09-30 Color copying machine possessing color correction function Pending JPS6490465A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP62248972A JPS6490465A (en) 1987-09-30 1987-09-30 Color copying machine possessing color correction function
US07/239,446 US4943834A (en) 1987-09-30 1988-09-01 Image forming apparatus capable of detecting, analyzing and displaying an originals spectroscopic color data

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62248972A JPS6490465A (en) 1987-09-30 1987-09-30 Color copying machine possessing color correction function

Publications (1)

Publication Number Publication Date
JPS6490465A true JPS6490465A (en) 1989-04-06

Family

ID=17186127

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62248972A Pending JPS6490465A (en) 1987-09-30 1987-09-30 Color copying machine possessing color correction function

Country Status (1)

Country Link
JP (1) JPS6490465A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6159458A (en) * 1984-08-31 1986-03-26 Ricoh Co Ltd Multicolor image forming method
JPS62198261A (en) * 1986-02-26 1987-09-01 Toshiba Corp Image forming device
JPS63249166A (en) * 1987-04-03 1988-10-17 Ricoh Co Ltd Automatic color balance method in color copiers

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6159458A (en) * 1984-08-31 1986-03-26 Ricoh Co Ltd Multicolor image forming method
JPS62198261A (en) * 1986-02-26 1987-09-01 Toshiba Corp Image forming device
JPS63249166A (en) * 1987-04-03 1988-10-17 Ricoh Co Ltd Automatic color balance method in color copiers

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