CA988149A - Xerographic toner concentration measuring apparatus and method - Google Patents

Xerographic toner concentration measuring apparatus and method

Info

Publication number
CA988149A
CA988149A CA160,601A CA160601A CA988149A CA 988149 A CA988149 A CA 988149A CA 160601 A CA160601 A CA 160601A CA 988149 A CA988149 A CA 988149A
Authority
CA
Canada
Prior art keywords
measuring apparatus
toner concentration
concentration measuring
xerographic toner
xerographic
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
Application number
CA160,601A
Other languages
English (en)
Other versions
CA160601S (en
Inventor
Leon A. Tysko
Daniel R. Erny
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.)
Van Dyk Research Corp
Original Assignee
Van Dyk Research 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 Van Dyk Research Corp filed Critical Van Dyk Research Corp
Application granted granted Critical
Publication of CA988149A publication Critical patent/CA988149A/en
Expired 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
    • G03G15/06—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
    • G03G15/0887—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity
    • G03G15/0891—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for conveying or circulating developer, e.g. augers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Wet Developing In Electrophotography (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CA160,601A 1972-02-22 1973-01-05 Xerographic toner concentration measuring apparatus and method Expired CA988149A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22796572A 1972-02-22 1972-02-22

Publications (1)

Publication Number Publication Date
CA988149A true CA988149A (en) 1976-04-27

Family

ID=22855191

Family Applications (1)

Application Number Title Priority Date Filing Date
CA160,601A Expired CA988149A (en) 1972-02-22 1973-01-05 Xerographic toner concentration measuring apparatus and method

Country Status (4)

Country Link
US (1) US3791744A (de)
JP (1) JPS5214100B2 (de)
CA (1) CA988149A (de)
DE (1) DE2308587C3 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7210357A (de) * 1971-08-06 1973-02-08
JPS5246095B2 (de) * 1973-05-25 1977-11-21
US3872825A (en) * 1973-08-06 1975-03-25 Xerox Corp Particle concentration detector
US3911861A (en) * 1973-12-03 1975-10-14 Addressograph Multigraph Programmable toner concentration control
US4043293A (en) * 1976-05-03 1977-08-23 Xerox Corporation Developability regulating apparatus
US4119989A (en) * 1977-01-03 1978-10-10 Pitney-Bowes, Inc. System for controlling concentration of developer solution
JPS5438131A (en) * 1977-09-01 1979-03-22 Olympus Optical Co Ltd Toner concentration detecting method of dry type two component developer
JPS54115246A (en) * 1978-02-28 1979-09-07 Ricoh Co Ltd Toner concentration detector
JPS5521070A (en) * 1978-08-02 1980-02-14 Toshiba Corp Toner density control device in dry type developing apparatus
JPS6312353Y2 (de) * 1980-03-03 1988-04-08
US4805641A (en) * 1985-07-31 1989-02-21 Korber Ag Method and apparatus for ascertaining the density of wrapped tobacco fillers and the like
US4883019A (en) * 1987-01-19 1989-11-28 Canon Kabushiki Kaisha Image forming apparatus having developer content detector
US5303310A (en) * 1991-08-30 1994-04-12 Imc Fertilizer, Inc. Method and apparatus for image analysis of composite ores
US6795191B2 (en) * 2002-01-04 2004-09-21 Freescale Semiconductor, Inc. Ultrasonically assisted optical media sensor system
JP6004799B2 (ja) * 2012-07-10 2016-10-12 キヤノン株式会社 現像剤収容容器及び画像形成装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3233781A (en) * 1963-05-08 1966-02-08 Savin Business Machines Corp Toner control system
US3430606A (en) * 1968-01-02 1969-03-04 Xerox Corp Electroscopic particle sensor
US3527387A (en) * 1968-05-24 1970-09-08 Xerox Corp Developer replenishing programming system
US3610205A (en) * 1968-10-17 1971-10-05 Continental Can Co Apparatus for measuring and controlling mixture content
US3677222A (en) * 1969-02-24 1972-07-18 Canon Kk Device for automatically regulating the concentration of developing solution
US3682132A (en) * 1969-03-03 1972-08-08 Xerox Corp Automatic developer controller
BE757430A (fr) * 1969-10-17 1971-04-13 Xerox Corp Systeme de commande automatique de developpabilite
US3712203A (en) * 1969-11-15 1973-01-23 Iwatsu Electric Co Ltd Automatic control device for the toner concentration within a developer in an electrostatic copy machine

Also Published As

Publication number Publication date
JPS5214100B2 (de) 1977-04-19
US3791744A (en) 1974-02-12
DE2308587B2 (de) 1979-08-02
DE2308587A1 (de) 1973-09-06
JPS4895243A (de) 1973-12-06
DE2308587C3 (de) 1980-04-17

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