JPS4895244A - - Google Patents

Info

Publication number
JPS4895244A
JPS4895244A JP2169173A JP2169173A JPS4895244A JP S4895244 A JPS4895244 A JP S4895244A JP 2169173 A JP2169173 A JP 2169173A JP 2169173 A JP2169173 A JP 2169173A JP S4895244 A JPS4895244 A JP S4895244A
Authority
JP
Grant status
Application
Patent type
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
JP2169173A
Other versions
JPS5214101B2 (en )
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

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/06Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0848Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
    • G03G15/0849Detection or control means for the developer concentration
    • G03G15/0855Detection or control means for the developer concentration the concentration being measured by optical means
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/06Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0887Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity
    • G03G15/0891Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for conveying or circulating developer, e.g. augers
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S222/00Dispensing
    • Y10S222/01Xerography
JP2169173A 1972-02-22 1973-02-22 Expired JPS5214101B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US22797872 true 1972-02-22 1972-02-22

Publications (2)

Publication Number Publication Date
JPS4895244A true true JPS4895244A (en) 1973-12-06
JPS5214101B2 JPS5214101B2 (en) 1977-04-19

Family

ID=22855246

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2169173A Expired JPS5214101B2 (en) 1972-02-22 1973-02-22

Country Status (4)

Country Link
US (1) US3777173A (en)
JP (1) JPS5214101B2 (en)
CA (1) CA996990A (en)
DE (1) DE2308586C3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54135537A (en) * 1978-04-12 1979-10-20 Ricoh Co Ltd Developing performance detector for binary dry type developer

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2139323B2 (en) * 1971-08-06 1977-06-23 Device for measuring the toner concentration of the developer in a developing station
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
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
US6850328B1 (en) 1997-04-18 2005-02-01 Lasse Leirfall Monitoring dust deposition
JP6004799B2 (en) * 2012-07-10 2016-10-12 キヤノン株式会社 Developer accommodating container and an image forming apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3094049A (en) * 1961-02-03 1963-06-18 Xerox Corp Xerographic developer measuring apparatus
US3430606A (en) * 1968-01-02 1969-03-04 Xerox Corp Electroscopic particle sensor
US3604939A (en) * 1968-05-24 1971-09-14 Xerox Corp Toner concentration sensing apparatus having plural sensors and a flow control means for each sensor

Family Cites Families (4)

* 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
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
US3656509A (en) * 1970-02-05 1972-04-18 Minolta Camera Kk Automatic toner feeding device for electronic copying machines

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3094049A (en) * 1961-02-03 1963-06-18 Xerox Corp Xerographic developer measuring apparatus
US3430606A (en) * 1968-01-02 1969-03-04 Xerox Corp Electroscopic particle sensor
US3604939A (en) * 1968-05-24 1971-09-14 Xerox Corp Toner concentration sensing apparatus having plural sensors and a flow control means for each sensor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54135537A (en) * 1978-04-12 1979-10-20 Ricoh Co Ltd Developing performance detector for binary dry type developer

Also Published As

Publication number Publication date Type
JPS5214101B2 (en) 1977-04-19 grant
DE2308586B2 (en) 1979-08-02 application
DE2308586A1 (en) 1973-08-30 application
CA996990A1 (en) grant
US3777173A (en) 1973-12-04 grant
CA996990A (en) 1976-09-14 grant
DE2308586C3 (en) 1980-04-10 grant

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