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IT967830B - Dispositivo di rivelazione del consumo di rivelatore particolar mente per apparecchi elettrosta tici di riproduzion - Google Patents

Dispositivo di rivelazione del consumo di rivelatore particolar mente per apparecchi elettrosta tici di riproduzion

Info

Publication number
IT967830B
IT967830B IT29631/72A IT2963172A IT967830B IT 967830 B IT967830 B IT 967830B IT 29631/72 A IT29631/72 A IT 29631/72A IT 2963172 A IT2963172 A IT 2963172A IT 967830 B IT967830 B IT 967830B
Authority
IT
Italy
Prior art keywords
electrostic
reproduction
consumption
detection
equipment
Prior art date
Application number
IT29631/72A
Other languages
English (en)
Italian (it)
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of IT967830B publication Critical patent/IT967830B/it

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)
IT29631/72A 1971-12-17 1972-09-25 Dispositivo di rivelazione del consumo di rivelatore particolar mente per apparecchi elettrosta tici di riproduzion IT967830B (it)

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
IT967830B true IT967830B (it) 1974-03-11

Family

ID=22777076

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29631/72A IT967830B (it) 1971-12-17 1972-09-25 Dispositivo di rivelazione del consumo di rivelatore particolar mente per apparecchi elettrosta tici di riproduzion

Country Status (14)

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

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5619637B2 (xx) * 1973-06-20 1981-05-08
JPS613004Y2 (xx) * 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 (ja) * 1995-10-03 2002-04-02 京セラミタ株式会社 二成分系現像剤におけるトナー濃度及び帯電量の測定方法
JP3199993B2 (ja) * 1995-10-23 2001-08-20 シャープ株式会社 現像剤帯電量測定装置
FR2764374B1 (fr) * 1997-06-10 1999-08-06 Stolz Sequipag Dispositif de controle de l'ecoulement d'un produit contenu dans une enceinte
US6248496B1 (en) * 2000-03-07 2001-06-19 Xerox Corporation Method of replenishing developer in a hybrid scavengeless development system
EP1467257B1 (en) * 2001-12-14 2009-11-25 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 (fr) * 1969-10-09 1971-03-16 Rca Corp Dispositif pour controler et regler la concentration de particules de poudre dans un melange de poudre et de particules magnetiques
DE2055321C3 (de) * 1969-11-11 1975-11-20 Katsuragawa Denki K.K., Tokio Gerät zum Zuführen eines Toners in einer elektrophotographischen Kopiervorrichtung
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
CH539870A (de) 1973-07-31
NL7215310A (xx) 1973-06-19
GB1372999A (en) 1974-11-06
ES409699A1 (es) 1975-12-16
SE375634B (xx) 1975-04-21
JPS4869528A (xx) 1973-09-21
AU4874172A (en) 1974-05-16
AR205242A1 (es) 1976-04-21
US3821938A (en) 1974-07-02
CA1010493A (en) 1977-05-17
FR2165442A5 (xx) 1973-08-03
DE2254883A1 (de) 1973-06-28
BR7208877D0 (pt) 1974-01-03

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