CH514168A - Device for determining the concentration of electrostatically charged particles in a particle mixture - Google Patents

Device for determining the concentration of electrostatically charged particles in a particle mixture

Info

Publication number
CH514168A
CH514168A CH1529170A CH1529170A CH514168A CH 514168 A CH514168 A CH 514168A CH 1529170 A CH1529170 A CH 1529170A CH 1529170 A CH1529170 A CH 1529170A CH 514168 A CH514168 A CH 514168A
Authority
CH
Switzerland
Prior art keywords
concentration
determining
charged particles
electrostatically charged
particle mixture
Prior art date
Application number
CH1529170A
Other languages
German (de)
Inventor
Maksymiak John
Original Assignee
Xerox 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 Xerox Corp filed Critical Xerox Corp
Publication of CH514168A publication Critical patent/CH514168A/en

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
    • G03G15/55—Self-diagnostics; Malfunction or lifetime display
    • G03G15/553—Monitoring or warning means for exhaustion or lifetime end of consumables, e.g. indication of insufficient copy sheet quantity for a job
    • G03G15/556—Monitoring or warning means for exhaustion or lifetime end of consumables, e.g. indication of insufficient copy sheet quantity for a job for toner consumption, e.g. pixel counting, toner coverage detection or toner density measurement
    • 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
    • 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
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/166—Toner containing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Wet Developing In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
CH1529170A 1969-10-17 1970-10-15 Device for determining the concentration of electrostatically charged particles in a particle mixture CH514168A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86720869A 1969-10-17 1969-10-17

Publications (1)

Publication Number Publication Date
CH514168A true CH514168A (en) 1971-10-15

Family

ID=25349342

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1529170A CH514168A (en) 1969-10-17 1970-10-15 Device for determining the concentration of electrostatically charged particles in a particle mixture

Country Status (15)

Country Link
US (1) US3727065A (en)
JP (1) JPS508938B1 (en)
BE (1) BE757430A (en)
CA (1) CA934806A (en)
CH (1) CH514168A (en)
CS (1) CS169811B2 (en)
DE (1) DE2050021C3 (en)
ES (1) ES384593A1 (en)
FR (1) FR2066411A5 (en)
GB (1) GB1318895A (en)
GT (1) GT197017976A (en)
NL (1) NL166807C (en)
PL (1) PL81051B1 (en)
SE (1) SE369114B (en)
SU (1) SU597347A3 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7210357A (en) * 1971-08-06 1973-02-08
US3791744A (en) * 1972-02-22 1974-02-12 Dyk Res Corp Van Xerographic toner concentration measuring apparatus and method
JPS5925220B2 (en) * 1973-07-26 1984-06-15 株式会社リコー Toner remaining amount detection device for electrophotographic dry developing device
US3872825A (en) * 1973-08-06 1975-03-25 Xerox Corp Particle concentration detector
JPS5092180A (en) * 1973-12-14 1975-07-23
US3926145A (en) * 1974-03-04 1975-12-16 Honeywell Inf Systems Toner concentration detector
JPS51140296A (en) * 1975-05-30 1976-12-03 Seiko Seiki Co Ltd Apparatus for compensating for wearing down of grindstone of grinding machine
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
US4078520A (en) * 1977-06-02 1978-03-14 Xerox Corporation Vibrating screen filter for toner density measuring apparatus
DE2927477C2 (en) * 1978-07-08 1982-03-11 Ricoh Co., Ltd., Tokyo Apparatus and method for measuring the developability of a powdered developer for electrostatography
US4346985A (en) * 1979-06-25 1982-08-31 Xerox Corporation Automatic development control
US4431300A (en) * 1982-02-16 1984-02-14 Xerox Corporation Automatic developability sensing in electrophotographic printing
JPS58159551U (en) * 1982-04-20 1983-10-24 オリンパス光学工業株式会社 Toner concentration detection device
US4662313A (en) * 1985-10-23 1987-05-05 Xerox Corporation Image density controller
US5426486A (en) * 1994-02-22 1995-06-20 Eastman Kodak Company Toner monitor having magnetic field control
JP2842330B2 (en) * 1995-09-21 1999-01-06 日本電気株式会社 Electrostatic inkjet recording device
CN100504654C (en) * 2002-06-03 2009-06-24 株式会社理光 Toner conveying device and image forming device
JP6004799B2 (en) * 2012-07-10 2016-10-12 キヤノン株式会社 Developer container and image forming apparatus

Family Cites Families (6)

* 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
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
US3399652A (en) * 1967-06-14 1968-09-03 Addressograph Multigraph Automatic toner concentrate detector
US3430606A (en) * 1968-01-02 1969-03-04 Xerox Corp Electroscopic particle sensor
US3526338A (en) * 1968-01-02 1970-09-01 Xerox Corp Method and controller for dispensing electroscopic material

Also Published As

Publication number Publication date
NL166807B (en) 1981-04-15
NL7014901A (en) 1971-04-20
DE2050021C3 (en) 1978-12-21
NL166807C (en) 1981-09-15
FR2066411A5 (en) 1971-08-06
CA934806A (en) 1973-10-02
JPS508938B1 (en) 1975-04-08
SE369114B (en) 1974-08-05
GB1318895A (en) 1973-05-31
GT197017976A (en) 1972-03-17
CS169811B2 (en) 1976-07-29
ES384593A1 (en) 1973-01-16
PL81051B1 (en) 1975-08-30
SU597347A3 (en) 1978-03-05
DE2050021A1 (en) 1971-04-29
US3727065A (en) 1973-04-10
DE2050021B2 (en) 1978-05-03
BE757430A (en) 1971-04-13

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Legal Events

Date Code Title Description
PL Patent ceased