JPS5538666B2 - - Google Patents

Info

Publication number
JPS5538666B2
JPS5538666B2 JP7903272A JP7903272A JPS5538666B2 JP S5538666 B2 JPS5538666 B2 JP S5538666B2 JP 7903272 A JP7903272 A JP 7903272A JP 7903272 A JP7903272 A JP 7903272A JP S5538666 B2 JPS5538666 B2 JP S5538666B2
Authority
JP
Japan
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
JP7903272A
Other languages
Japanese (ja)
Other versions
JPS4829448A (enrdf_load_stackoverflow
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 DE19712139323 external-priority patent/DE2139323C3/de
Application filed filed Critical
Publication of JPS4829448A publication Critical patent/JPS4829448A/ja
Publication of JPS5538666B2 publication Critical patent/JPS5538666B2/ja
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
    • 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
    • G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
    • G03G15/5033—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the photoconductor characteristics, e.g. temperature, or the characteristics of an image on the photoconductor
    • G03G15/5041—Detecting a toner image, e.g. density, toner coverage, using a test patch

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP7903272A 1971-08-06 1972-08-07 Expired JPS5538666B2 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712139323 DE2139323C3 (de) 1971-08-06 Vorrichtung zur Messung der Tonerkonzentration des Entwicklers in einer Entwicklungsstation

Publications (2)

Publication Number Publication Date
JPS4829448A JPS4829448A (enrdf_load_stackoverflow) 1973-04-19
JPS5538666B2 true JPS5538666B2 (enrdf_load_stackoverflow) 1980-10-06

Family

ID=5815922

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7903272A Expired JPS5538666B2 (enrdf_load_stackoverflow) 1971-08-06 1972-08-07

Country Status (6)

Country Link
US (1) US3924462A (enrdf_load_stackoverflow)
JP (1) JPS5538666B2 (enrdf_load_stackoverflow)
AU (1) AU477133B2 (enrdf_load_stackoverflow)
FR (1) FR2155223A5 (enrdf_load_stackoverflow)
GB (1) GB1401659A (enrdf_load_stackoverflow)
NL (1) NL7210357A (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4000944A (en) * 1975-02-18 1977-01-04 Xerox Corporation Photoreceptor for electrostatic reproduction machines with built-in electrode
US4211558A (en) * 1975-07-23 1980-07-08 Konishiroku Photo Industry Co., Ltd. Color printing method
US4082445A (en) * 1975-11-21 1978-04-04 Xerox Corporation Toner control system for an electrostatic reproduction machine
JPS52119233A (en) * 1976-03-08 1977-10-06 Sharp Corp Toner supply means
CA1128114A (en) * 1978-04-10 1982-07-20 Clement C. Wilson Test cycle quality control system for an electrophotographic machine
US4183657A (en) * 1978-04-10 1980-01-15 International Business Machines Corporation Dynamic reference for an image quality control system
JPS5433727A (en) * 1978-08-10 1979-03-12 Canon Inc Zerography
JPS5433728A (en) * 1978-08-10 1979-03-12 Canon Inc Zerography
US4347299A (en) * 1978-08-16 1982-08-31 Minolta Camera Kabushiki Kaisha Method of controlling toner concentration for electrophotographic copying apparatus
US4607944A (en) * 1985-06-07 1986-08-26 Eastman Kodak Company Apparatus for controlling toner replenishment in electrographic copier

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2956487A (en) * 1955-03-23 1960-10-18 Rca Corp Electrostatic printing
US3094049A (en) * 1961-02-03 1963-06-18 Xerox Corp Xerographic developer measuring apparatus
US3129113A (en) * 1962-02-13 1964-04-14 Xerox Corp Automatic powder applicator apparatus
US3348521A (en) * 1962-08-28 1967-10-24 Xerox Corp Automatic toner control system
US3251761A (en) * 1962-08-28 1966-05-17 Bayer Ag Process for the production of organic compounds containing nitrogen and chlorine combined in an-n=ccl-radical
US3233781A (en) * 1963-05-08 1966-02-08 Savin Business Machines Corp Toner control system
US3348523A (en) * 1965-04-07 1967-10-24 Xerox Corp Automatic toner control system
US3376853A (en) * 1966-04-29 1968-04-09 Xerox Corp Electrostatic toner control
US3376854A (en) * 1966-06-01 1968-04-09 Xerox Corp Automatic toner dispensing control
US3382796A (en) * 1967-01-10 1968-05-14 Continental Can Co Apparatus for continuous electrostatic screen printing with density control
US3399652A (en) * 1967-06-14 1968-09-03 Addressograph Multigraph Automatic toner concentrate detector
US3409901A (en) * 1967-07-12 1968-11-05 Ibm Automatic toner concentration control for use with crt input
US3526338A (en) * 1968-01-02 1970-09-01 Xerox Corp Method and controller for dispensing electroscopic material
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
US3677222A (en) * 1969-02-24 1972-07-18 Canon Kk Device for automatically regulating the concentration of developing solution
US3682132A (en) * 1969-03-03 1972-08-08 Xerox Corp Automatic developer controller
BE757430A (fr) * 1969-10-17 1971-04-13 Xerox Corp Systeme de commande automatique de developpabilite
US3712203A (en) * 1969-11-15 1973-01-23 Iwatsu Electric Co Ltd Automatic control device for the toner concentration within a developer in an electrostatic copy machine
US3659556A (en) * 1970-08-19 1972-05-02 Xerox Corp Programmable toner dispenser
US3674353A (en) * 1971-07-01 1972-07-04 Eastman Kodak Co Toner concentration control apparatus
NL7210356A (enrdf_load_stackoverflow) * 1971-08-06 1973-02-08
US3756192A (en) * 1971-12-17 1973-09-04 Ibm Automatic toner concentration control system
US3791744A (en) * 1972-02-22 1974-02-12 Dyk Res Corp Van Xerographic toner concentration measuring apparatus and method
US3777173A (en) * 1972-02-22 1973-12-04 Dyke Res Van Xerographic toner concentration measuring apparatus and method

Also Published As

Publication number Publication date
FR2155223A5 (enrdf_load_stackoverflow) 1973-05-18
AU477133B2 (en) 1976-10-14
US3924462A (en) 1975-12-09
NL7210357A (enrdf_load_stackoverflow) 1973-02-08
DE2139323B2 (de) 1977-06-23
DE2139323A1 (de) 1973-02-15
GB1401659A (en) 1975-07-16
AU4531372A (en) 1974-02-07
JPS4829448A (enrdf_load_stackoverflow) 1973-04-19

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