CA1010493A - Toner usage sensing system - Google Patents

Toner usage sensing system

Info

Publication number
CA1010493A
CA1010493A CA158,260A CA158260A CA1010493A CA 1010493 A CA1010493 A CA 1010493A CA 158260 A CA158260 A CA 158260A CA 1010493 A CA1010493 A CA 1010493A
Authority
CA
Canada
Prior art keywords
sensing system
toner usage
usage sensing
toner
usage
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
CA158,260A
Other versions
CA158260S (en
Inventor
James L. Bacon
Carl A. Queener
Henry W. Simpson
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA1010493A publication Critical patent/CA1010493A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/06—Control of flow characterised by the use of electric means
    • G05D7/0605—Control of flow characterised by the use of electric means specially adapted for solid materials
    • 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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/06—Developing structures, details
    • G03G2215/0634—Developing device
    • G03G2215/0636—Specific type of dry developer device

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Dry Development In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
CA158,260A 1971-12-17 1972-12-05 Toner usage sensing system Expired CA1010493A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00209040A US3821938A (en) 1971-12-17 1971-12-17 Toner usage sensing system

Publications (1)

Publication Number Publication Date
CA1010493A true CA1010493A (en) 1977-05-17

Family

ID=22777076

Family Applications (1)

Application Number Title Priority Date Filing Date
CA158,260A Expired CA1010493A (en) 1971-12-17 1972-12-05 Toner usage sensing system

Country Status (14)

Country Link
US (1) US3821938A (en)
JP (1) JPS4869528A (en)
AR (1) AR205242A1 (en)
AU (1) AU4874172A (en)
BR (1) BR7208877D0 (en)
CA (1) CA1010493A (en)
CH (1) CH539870A (en)
DE (1) DE2254883A1 (en)
ES (1) ES409699A1 (en)
FR (1) FR2165442A5 (en)
GB (1) GB1372999A (en)
IT (1) IT967830B (en)
NL (1) NL7215310A (en)
SE (1) SE375634B (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5619637B2 (en) * 1973-06-20 1981-05-08
JPS613004Y2 (en) * 1975-01-13 1986-01-30
US4026643A (en) * 1975-08-22 1977-05-31 Xerox Corporation Apparatus and method for measurement of the ratio of toner particle electrostatic charge to toner particle mass in electrostatographic devices
JPS52131729A (en) * 1976-04-28 1977-11-04 Ricoh Co Ltd Toner concentration detection circuit
US4064834A (en) * 1976-11-19 1977-12-27 A. B. Dick Company Apparatus for sensing the concentration of toner in a developer mix
US4163787A (en) 1977-03-14 1979-08-07 The Dow Chemical Company Substituted pyridine methyl esters of cyclopropane carboxylic acids and their use as insecticides
JPS5437758A (en) * 1977-08-30 1979-03-20 Ricoh Co Ltd Electrostatic latent image developing method
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
US4972230A (en) * 1989-10-31 1990-11-20 Xerox Corporation Toner usage detector based on current biasing mixing means
US5006897A (en) * 1990-07-02 1991-04-09 Eastman Kodak Company Determination of charge-to-mass ratio
US5459556A (en) * 1994-01-12 1995-10-17 Xerox Corporation Toner consumption rate gauge for printers and copiers
JP3269949B2 (en) * 1995-10-03 2002-04-02 京セラミタ株式会社 Method for measuring toner concentration and charge amount in two-component developer
JP3199993B2 (en) * 1995-10-23 2001-08-20 シャープ株式会社 Developer charge amount measuring device
FR2764374B1 (en) * 1997-06-10 1999-08-06 Stolz Sequipag DEVICE FOR CONTROLLING THE FLOW OF A PRODUCT CONTAINED IN AN ENCLOSURE
US6248496B1 (en) * 2000-03-07 2001-06-19 Xerox Corporation Method of replenishing developer in a hybrid scavengeless development system
US7585921B2 (en) * 2001-12-14 2009-09-08 Sanyo Chemical Industries, Ltd. Resin for toner binder and toner composition
US7546048B2 (en) * 2006-01-12 2009-06-09 Sun Chemical Corporation Method for determining ink usage efficiency in commercial printing processes using pigments and quantitative tests
US8155540B2 (en) * 2010-06-02 2012-04-10 Xerox Corporation Optimized limit gain compensation for dispense time accumulators of toner concentration control

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3527651A (en) * 1966-10-20 1970-09-08 Addressograph Multigraph Method of and apparatus for developing electrostatic images
US3553464A (en) * 1967-03-27 1971-01-05 Ricoh Kk Device for detecting the density of developer in an electrostatographic duplicator
US3399652A (en) * 1967-06-14 1968-09-03 Addressograph Multigraph Automatic toner concentrate detector
US3682132A (en) * 1969-03-03 1972-08-08 Xerox Corp Automatic developer controller
US3572551A (en) * 1969-03-27 1971-03-30 Rca Corp Apparatus for monitoring and controlling the concentration of toner in a developer mix
BE757197A (en) * 1969-10-09 1971-03-16 Rca Corp DEVICE FOR MONITORING AND ADJUSTING THE CONCENTRATION OF POWDER PARTICLES IN A MIXTURE OF POWDER AND MAGNETIC PARTICLES
US3698926A (en) * 1969-11-11 1972-10-17 Katsuragawa Denki Kk Method and apparatus for supplementing toner in electrophotographic machines
US3654893A (en) * 1970-05-01 1972-04-11 Eastman Kodak Co Automatic bias control for electrostatic development
US3674532A (en) * 1970-07-23 1972-07-04 Eastman Kodak Co Control for bias of magnetic brush and method
US3707134A (en) * 1970-08-21 1972-12-26 Addressograph Multigraph Automatic toner concentrate detector and control device
US3678896A (en) * 1971-01-28 1972-07-25 Xerox Corp Conveyor system
US3674353A (en) * 1971-07-01 1972-07-04 Eastman Kodak Co Toner concentration control apparatus
AU467941B2 (en) * 1971-09-25 1975-12-18 Hoechst Aktiengesellschaft Method of and apparatus for measuring or measuring and replacing toner consumed inan electrophotographic reproduction machine

Also Published As

Publication number Publication date
BR7208877D0 (en) 1974-01-03
SE375634B (en) 1975-04-21
FR2165442A5 (en) 1973-08-03
AR205242A1 (en) 1976-04-21
IT967830B (en) 1974-03-11
DE2254883A1 (en) 1973-06-28
NL7215310A (en) 1973-06-19
GB1372999A (en) 1974-11-06
AU4874172A (en) 1974-05-16
JPS4869528A (en) 1973-09-21
US3821938A (en) 1974-07-02
ES409699A1 (en) 1975-12-16
CH539870A (en) 1973-07-31

Similar Documents

Publication Publication Date Title
CA1001884A (en) Electrostatographic development
CA985551A (en) Electrostatographic development
CA1010493A (en) Toner usage sensing system
CA959320A (en) Liquid electrographic developers
CA1011149A (en) Electrostatographic development
CA985552A (en) Electrostatographic development
CA981499A (en) Fiche-to-fiche copier
CA1029038A (en) Electrophotographic reproduction-element
CA973745A (en) Electrostatic development
CA984650A (en) Electrophotographic masters
CA980635A (en) Xerographic development system
CA967817A (en) Electrophotography
CA1025929A (en) Electrophotographic recorder
AU4734172A (en) Electrostatographic developer
CA887021A (en) Electrophotography
CA973746A (en) Electrostatic development
CA970194A (en) Electrophotographic element
CA869931A (en) Electrophotographic member
CA877882A (en) Electrophotography
CA887020A (en) Electrophotography
CA864465A (en) Electrophotography
CA875488A (en) Electrophotography
CA882048A (en) Electrophotographic developer
CA879024A (en) Electrophotographic developer
CA879025A (en) Electrophotographic developer