CA996990A - Xerographic toner concentration measuring apparatus and method - Google Patents

Xerographic toner concentration measuring apparatus and method

Info

Publication number
CA996990A
CA996990A CA160,775A CA160775A CA996990A CA 996990 A CA996990 A CA 996990A CA 160775 A CA160775 A CA 160775A CA 996990 A CA996990 A CA 996990A
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
CA160,775A
Other languages
English (en)
Other versions
CA160775S (en
Inventor
James E. Landrith
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 CA996990A publication Critical patent/CA996990A/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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S222/00—Dispensing
    • Y10S222/01—Xerography

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CA160,775A 1972-02-22 1973-01-08 Xerographic toner concentration measuring apparatus and method Expired CA996990A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22797872A 1972-02-22 1972-02-22

Publications (1)

Publication Number Publication Date
CA996990A true CA996990A (en) 1976-09-14

Family

ID=22855246

Family Applications (1)

Application Number Title Priority Date Filing Date
CA160,775A Expired CA996990A (en) 1972-02-22 1973-01-08 Xerographic toner concentration measuring apparatus and method

Country Status (4)

Country Link
US (1) US3777173A (member.php)
JP (1) JPS5214101B2 (member.php)
CA (1) CA996990A (member.php)
DE (1) DE2308586C3 (member.php)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7210357A (member.php) * 1971-08-06 1973-02-08
GB1341654A (en) * 1972-03-02 1973-12-25 Playart Ltd Battery powered toys or models
US3876106A (en) * 1973-10-01 1975-04-08 Eastman Kodak Co Toner concentration monitoring apparatus utilizing programmable digital computer
US3926338A (en) * 1973-11-05 1975-12-16 Xerox Corp Thermally insensitive particle concentration controller
US3941280A (en) * 1974-02-13 1976-03-02 Xerox Corporation Apparatus for controlling developer efficiency
US3926145A (en) * 1974-03-04 1975-12-16 Honeywell Inf Systems Toner concentration detector
US4043293A (en) * 1976-05-03 1977-08-23 Xerox Corporation Developability regulating apparatus
US4111151A (en) * 1977-05-19 1978-09-05 Xerox Corporation Multi-particle developability regulating system
JPS5438131A (en) * 1977-09-01 1979-03-22 Olympus Optical Co Ltd Toner concentration detecting method of dry type two component developer
JPS54135537A (en) * 1978-04-12 1979-10-20 Ricoh Co Ltd Developing performance detector for binary dry type developer
US4240753A (en) * 1978-11-14 1980-12-23 Hermann Lommel Method for the quantitative determination of turbidities, especially of immune reactions
US4536091A (en) * 1979-06-01 1985-08-20 Isco, Inc. Absorbance monitor
US4551004A (en) * 1980-10-21 1985-11-05 Xerox Corporation Toner concentration sensor
US4431300A (en) * 1982-02-16 1984-02-14 Xerox Corporation Automatic developability sensing in electrophotographic printing
US5119132A (en) * 1990-10-24 1992-06-02 Xerox Corporation Densitometer and circuitry with improved measuring capabilities of marking particle density on a photoreceptor
US5312039A (en) * 1992-06-22 1994-05-17 Vlsi Technology, Inc. Electro-optic monitor for fluid spray pattern
NO307675B1 (no) * 1997-04-18 2000-05-08 Lasse Leirfall Anvendelse av en mÕleanordning til indikering av en forurenset, tilsmusset eller brannfarlig tilstand
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 (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2965266A (en) * 1958-04-30 1960-12-20 Haloid Xerox Inc Xerographic toner dispenser
US3094049A (en) * 1961-02-03 1963-06-18 Xerox Corp Xerographic developer measuring apparatus
US3233781A (en) * 1963-05-08 1966-02-08 Savin Business Machines Corp Toner control system
US3376854A (en) * 1966-06-01 1968-04-09 Xerox Corp Automatic toner dispensing control
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
US3656509A (en) * 1970-02-05 1972-04-18 Minolta Camera Kk Automatic toner feeding device for electronic copying machines

Also Published As

Publication number Publication date
JPS4895244A (member.php) 1973-12-06
DE2308586B2 (de) 1979-08-02
JPS5214101B2 (member.php) 1977-04-19
DE2308586A1 (de) 1973-08-30
US3777173A (en) 1973-12-04
DE2308586C3 (de) 1980-04-10

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