JPS57146277A - Toner density detecting device - Google Patents

Toner density detecting device

Info

Publication number
JPS57146277A
JPS57146277A JP3156681A JP3156681A JPS57146277A JP S57146277 A JPS57146277 A JP S57146277A JP 3156681 A JP3156681 A JP 3156681A JP 3156681 A JP3156681 A JP 3156681A JP S57146277 A JPS57146277 A JP S57146277A
Authority
JP
Japan
Prior art keywords
toner density
high frequency
power source
frequency power
pole plates
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
JP3156681A
Other languages
English (en)
Japanese (ja)
Other versions
JPH023505B2 (enrdf_load_stackoverflow
Inventor
Hiroshi Yamada
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.)
Fujitsu Ltd
Toray Industries Inc
Original Assignee
Fujitsu Ltd
Toray Industries 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 Fujitsu Ltd, Toray Industries Inc filed Critical Fujitsu Ltd
Priority to JP3156681A priority Critical patent/JPS57146277A/ja
Publication of JPS57146277A publication Critical patent/JPS57146277A/ja
Publication of JPH023505B2 publication Critical patent/JPH023505B2/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
    • G03G15/0851—Detection or control means for the developer concentration the concentration being measured by electrical means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Electrophotography Using Other Than Carlson'S Method (AREA)
  • Dry Development In Electrophotography (AREA)
JP3156681A 1981-03-05 1981-03-05 Toner density detecting device Granted JPS57146277A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3156681A JPS57146277A (en) 1981-03-05 1981-03-05 Toner density detecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3156681A JPS57146277A (en) 1981-03-05 1981-03-05 Toner density detecting device

Publications (2)

Publication Number Publication Date
JPS57146277A true JPS57146277A (en) 1982-09-09
JPH023505B2 JPH023505B2 (enrdf_load_stackoverflow) 1990-01-23

Family

ID=12334723

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3156681A Granted JPS57146277A (en) 1981-03-05 1981-03-05 Toner density detecting device

Country Status (1)

Country Link
JP (1) JPS57146277A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01281478A (ja) * 1988-05-09 1989-11-13 Mita Ind Co Ltd トナー残量検知装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01281478A (ja) * 1988-05-09 1989-11-13 Mita Ind Co Ltd トナー残量検知装置

Also Published As

Publication number Publication date
JPH023505B2 (enrdf_load_stackoverflow) 1990-01-23

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