JPS58214142A - 画像形成装置における画像濃度検出装置 - Google Patents

画像形成装置における画像濃度検出装置

Info

Publication number
JPS58214142A
JPS58214142A JP57097304A JP9730482A JPS58214142A JP S58214142 A JPS58214142 A JP S58214142A JP 57097304 A JP57097304 A JP 57097304A JP 9730482 A JP9730482 A JP 9730482A JP S58214142 A JPS58214142 A JP S58214142A
Authority
JP
Japan
Prior art keywords
light
image
image density
density detection
voltage
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
JP57097304A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0473135B2 (enExample
Inventor
Masaharu Takano
高野　正治
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP57097304A priority Critical patent/JPS58214142A/ja
Priority to DE8282109560T priority patent/DE3270007D1/de
Priority to EP82109560A priority patent/EP0077988B1/en
Priority to US06/435,605 priority patent/US4544258A/en
Publication of JPS58214142A publication Critical patent/JPS58214142A/ja
Publication of JPH0473135B2 publication Critical patent/JPH0473135B2/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
    • 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
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • 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
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/043—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for controlling illumination or exposure
    • G03G15/0435—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for controlling illumination or exposure by introducing an optical element in the optical path, e.g. a filter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
JP57097304A 1981-10-23 1982-06-07 画像形成装置における画像濃度検出装置 Granted JPS58214142A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP57097304A JPS58214142A (ja) 1982-06-07 1982-06-07 画像形成装置における画像濃度検出装置
DE8282109560T DE3270007D1 (en) 1981-10-23 1982-10-15 Image density detecting unit for image formation apparatus
EP82109560A EP0077988B1 (en) 1981-10-23 1982-10-15 Image density detecting unit for image formation apparatus
US06/435,605 US4544258A (en) 1981-10-23 1982-10-20 Image density detecting unit for image formation apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57097304A JPS58214142A (ja) 1982-06-07 1982-06-07 画像形成装置における画像濃度検出装置

Publications (2)

Publication Number Publication Date
JPS58214142A true JPS58214142A (ja) 1983-12-13
JPH0473135B2 JPH0473135B2 (enExample) 1992-11-20

Family

ID=14188742

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57097304A Granted JPS58214142A (ja) 1981-10-23 1982-06-07 画像形成装置における画像濃度検出装置

Country Status (1)

Country Link
JP (1) JPS58214142A (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60120345A (ja) * 1983-12-05 1985-06-27 Canon Inc 画像形成装置
JPS60198531A (ja) * 1984-03-22 1985-10-08 Sharp Corp 複写機の自動露光装置
JPS60244942A (ja) * 1984-05-21 1985-12-04 Sharp Corp 自動露光調整装置
JPS63100745U (enExample) * 1986-12-18 1988-06-30
US4811056A (en) * 1986-09-30 1989-03-07 Kabushiki Kaisha Toshiba Image forming apparatus capable of detecting original-image density

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60120345A (ja) * 1983-12-05 1985-06-27 Canon Inc 画像形成装置
JPS60198531A (ja) * 1984-03-22 1985-10-08 Sharp Corp 複写機の自動露光装置
JPS60244942A (ja) * 1984-05-21 1985-12-04 Sharp Corp 自動露光調整装置
US4811056A (en) * 1986-09-30 1989-03-07 Kabushiki Kaisha Toshiba Image forming apparatus capable of detecting original-image density
JPS63100745U (enExample) * 1986-12-18 1988-06-30

Also Published As

Publication number Publication date
JPH0473135B2 (enExample) 1992-11-20

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