AU467941B2 - Method of and apparatus for measuring or measuring and replacing toner consumed inan electrophotographic reproduction machine - Google Patents

Method of and apparatus for measuring or measuring and replacing toner consumed inan electrophotographic reproduction machine

Info

Publication number
AU467941B2
AU467941B2 AU46655/72A AU4665572A AU467941B2 AU 467941 B2 AU467941 B2 AU 467941B2 AU 46655/72 A AU46655/72 A AU 46655/72A AU 4665572 A AU4665572 A AU 4665572A AU 467941 B2 AU467941 B2 AU 467941B2
Authority
AU
Australia
Prior art keywords
measuring
inan
toner consumed
reproduction machine
electrophotographic reproduction
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
AU46655/72A
Other versions
AU4665572A (en
Inventor
DR. HELMUT STIEGER HELMUT JAHN DR. DETLEV WINKELMANN dr. HARTMUT BOCK
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.)
Hoechst AG
Original Assignee
Hoechst AG
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
Priority claimed from DE19712147948 external-priority patent/DE2147948C3/en
Application filed by Hoechst AG filed Critical Hoechst AG
Publication of AU4665572A publication Critical patent/AU4665572A/en
Application granted granted Critical
Publication of AU467941B2 publication Critical patent/AU467941B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/60—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrostatic variables, e.g. electrographic flaw testing
    • 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
    • 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

  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Dry Development In Electrophotography (AREA)
AU46655/72A 1971-09-25 1972-09-14 Method of and apparatus for measuring or measuring and replacing toner consumed inan electrophotographic reproduction machine Expired AU467941B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19712147948 DE2147948C3 (en) 1971-09-25 Method and device for measuring the removal of toner in an electrophotographic reproduction machine
DEDE82147 1971-09-25

Publications (2)

Publication Number Publication Date
AU4665572A AU4665572A (en) 1974-03-21
AU467941B2 true AU467941B2 (en) 1975-12-18

Family

ID=5820561

Family Applications (1)

Application Number Title Priority Date Filing Date
AU46655/72A Expired AU467941B2 (en) 1971-09-25 1972-09-14 Method of and apparatus for measuring or measuring and replacing toner consumed inan electrophotographic reproduction machine

Country Status (6)

Country Link
US (1) US3910459A (en)
JP (1) JPS5547390B2 (en)
AU (1) AU467941B2 (en)
FR (1) FR2154252A5 (en)
GB (1) GB1398963A (en)
NL (1) NL7212544A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3821938A (en) * 1971-12-17 1974-07-02 Ibm Toner usage sensing system
JPS5953538B2 (en) * 1975-04-07 1984-12-25 株式会社リコー Toner concentration detection method
US4064834A (en) * 1976-11-19 1977-12-27 A. B. Dick Company Apparatus for sensing the concentration of toner in a developer mix
DE2715904C3 (en) * 1977-04-09 1981-05-27 Agfa-Gevaert Ag, 5090 Leverkusen Cascade developing device for an electrostatic copier
US4288518A (en) * 1978-12-13 1981-09-08 Minolta Camera Kabushiki Kaisha Electrographic magnetic developing method
US4310238A (en) * 1979-09-08 1982-01-12 Ricoh Company, Ltd. Electrostatic copying apparatus
US4343548A (en) * 1980-05-19 1982-08-10 Xerox Corporation Control system for regulating the concentration of toner particles within a developer mixture
US4524088A (en) * 1983-01-31 1985-06-18 Magnetic Technologies Corp. Method and apparatus for controlling the thickness of developer on an applicator, such as a magnetic brush, in electrostatic reproduction
US4492179A (en) * 1983-06-16 1985-01-08 Xerox Corporation Control system for regulating the dispensing of marking particles in an electrophotographic printing machine
US4660152A (en) * 1984-06-18 1987-04-21 Xerox Corporation System and method for monitoring and maintaining concentrate material in a fluid carrier
US4607944A (en) * 1985-06-07 1986-08-26 Eastman Kodak Company Apparatus for controlling toner replenishment in electrographic copier
JPS61292665A (en) * 1985-06-20 1986-12-23 Sanyo Electric Co Ltd Toner concentration detecting device
US5150135A (en) * 1990-08-20 1992-09-22 Xerox Corporation Current sensing development control system for an ionographic printing machine
US6275675B1 (en) * 1999-09-14 2001-08-14 Lester E. Cornelius Electronically conducting segmented hopper construction for toner cartridge
JP6864820B2 (en) * 2016-07-25 2021-04-28 富士フイルムビジネスイノベーション株式会社 Development system and image forming equipment

Family Cites Families (6)

* 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
US3376853A (en) * 1966-04-29 1968-04-09 Xerox Corp Electrostatic toner control
US3409901A (en) * 1967-07-12 1968-11-05 Ibm Automatic toner concentration control for use with crt input
US3656509A (en) * 1970-02-05 1972-04-18 Minolta Camera Kk Automatic toner feeding device for electronic copying machines
US3674353A (en) * 1971-07-01 1972-07-04 Eastman Kodak Co Toner concentration control apparatus
US3719165A (en) * 1971-09-03 1973-03-06 Eastman Kodak Co Tuner concentration control apparatus

Also Published As

Publication number Publication date
DE2147948B2 (en) 1977-06-30
NL7212544A (en) 1973-03-27
FR2154252A5 (en) 1973-05-04
AU4665572A (en) 1974-03-21
JPS4842739A (en) 1973-06-21
JPS5547390B2 (en) 1980-11-29
US3910459A (en) 1975-10-07
GB1398963A (en) 1975-06-25
DE2147948A1 (en) 1973-03-29

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