JPS56164355A - Image density detector of electrophotographic copying machine - Google Patents

Image density detector of electrophotographic copying machine

Info

Publication number
JPS56164355A
JPS56164355A JP6709180A JP6709180A JPS56164355A JP S56164355 A JPS56164355 A JP S56164355A JP 6709180 A JP6709180 A JP 6709180A JP 6709180 A JP6709180 A JP 6709180A JP S56164355 A JPS56164355 A JP S56164355A
Authority
JP
Japan
Prior art keywords
detector
light emitting
copying machine
toner
image density
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
JP6709180A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0413708B2 (enrdf_load_stackoverflow
Inventor
Masaaki Tanaka
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.)
Fujifilm Business Innovation Corp
Original Assignee
Fuji Xerox 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 Fuji Xerox Co Ltd filed Critical Fuji Xerox Co Ltd
Priority to JP6709180A priority Critical patent/JPS56164355A/ja
Publication of JPS56164355A publication Critical patent/JPS56164355A/ja
Publication of JPH0413708B2 publication Critical patent/JPH0413708B2/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
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
    • G03G15/0849—Detection or control means for the developer concentration
    • G03G15/0855—Detection or control means for the developer concentration the concentration being measured by optical means
    • 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
    • G03G15/5033—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 photoconductor characteristics, e.g. temperature, or the characteristics of an image on the photoconductor
    • G03G15/5041—Detecting a toner image, e.g. density, toner coverage, using a test patch

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Developing For Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
JP6709180A 1980-05-22 1980-05-22 Image density detector of electrophotographic copying machine Granted JPS56164355A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6709180A JPS56164355A (en) 1980-05-22 1980-05-22 Image density detector of electrophotographic copying machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6709180A JPS56164355A (en) 1980-05-22 1980-05-22 Image density detector of electrophotographic copying machine

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP4346768A Division JPH0731429B2 (ja) 1992-12-25 1992-12-25 電子写真複写機の制御装置

Publications (2)

Publication Number Publication Date
JPS56164355A true JPS56164355A (en) 1981-12-17
JPH0413708B2 JPH0413708B2 (enrdf_load_stackoverflow) 1992-03-10

Family

ID=13334862

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6709180A Granted JPS56164355A (en) 1980-05-22 1980-05-22 Image density detector of electrophotographic copying machine

Country Status (1)

Country Link
JP (1) JPS56164355A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61121065A (ja) * 1984-11-16 1986-06-09 Mita Ind Co Ltd 複写機の異常状態判別方法
JPS6373769U (enrdf_load_stackoverflow) * 1986-10-29 1988-05-17
JPS6482068A (en) * 1987-09-25 1989-03-28 Konishiroku Photo Ind Sensor density compensating device for toner density controller

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS535635A (en) * 1976-07-05 1978-01-19 Canon Inc Process and device for controlling image density
JPS5410743A (en) * 1977-06-27 1979-01-26 Canon Inc Image forming apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS535635A (en) * 1976-07-05 1978-01-19 Canon Inc Process and device for controlling image density
JPS5410743A (en) * 1977-06-27 1979-01-26 Canon Inc Image forming apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61121065A (ja) * 1984-11-16 1986-06-09 Mita Ind Co Ltd 複写機の異常状態判別方法
JPS6373769U (enrdf_load_stackoverflow) * 1986-10-29 1988-05-17
JPS6482068A (en) * 1987-09-25 1989-03-28 Konishiroku Photo Ind Sensor density compensating device for toner density controller

Also Published As

Publication number Publication date
JPH0413708B2 (enrdf_load_stackoverflow) 1992-03-10

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