GB1221350A - Automatic toner concentrate detector for electrophotographic apparatus - Google Patents

Automatic toner concentrate detector for electrophotographic apparatus

Info

Publication number
GB1221350A
GB1221350A GB20670/68A GB2067068A GB1221350A GB 1221350 A GB1221350 A GB 1221350A GB 20670/68 A GB20670/68 A GB 20670/68A GB 2067068 A GB2067068 A GB 2067068A GB 1221350 A GB1221350 A GB 1221350A
Authority
GB
United Kingdom
Prior art keywords
toner
photo
mix
housing
amount
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
GB20670/68A
Other languages
English (en)
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.)
AB Dick Co
Original Assignee
Multigraphics Inc
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 Multigraphics Inc filed Critical Multigraphics Inc
Publication of GB1221350A publication Critical patent/GB1221350A/en
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
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2499—Mixture condition maintaining or sensing
    • Y10T137/2509—By optical or chemical property

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB20670/68A 1967-06-14 1968-05-01 Automatic toner concentrate detector for electrophotographic apparatus Expired GB1221350A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US646056A US3399652A (en) 1967-06-14 1967-06-14 Automatic toner concentrate detector

Publications (1)

Publication Number Publication Date
GB1221350A true GB1221350A (en) 1971-02-03

Family

ID=24591560

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20670/68A Expired GB1221350A (en) 1967-06-14 1968-05-01 Automatic toner concentrate detector for electrophotographic apparatus

Country Status (6)

Country Link
US (1) US3399652A (enrdf_load_stackoverflow)
JP (1) JPS4916650B1 (enrdf_load_stackoverflow)
BE (1) BE715055A (enrdf_load_stackoverflow)
FR (1) FR1561852A (enrdf_load_stackoverflow)
GB (1) GB1221350A (enrdf_load_stackoverflow)
NL (1) NL162756C (enrdf_load_stackoverflow)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3526338A (en) * 1968-01-02 1970-09-01 Xerox Corp Method and controller for dispensing electroscopic material
US3604939A (en) * 1968-05-24 1971-09-14 Xerox Corp Toner concentration sensing apparatus having plural sensors and a flow control means for each sensor
US3802381A (en) * 1968-07-30 1974-04-09 Continental Can Co Apparatus for measuring concentration ratios of a mixture of materials
US3583364A (en) * 1968-09-11 1971-06-08 Xerox Corp Development apparatus
US3610205A (en) * 1968-10-17 1971-10-05 Continental Can Co Apparatus for measuring and controlling mixture content
US3765654A (en) * 1968-10-17 1973-10-16 Continental Can Co System for measuring and controlling mixture content
US3608792A (en) * 1969-02-06 1971-09-28 Xerox Corp Apparatus for dispensing finely divided particulate material
US3596807A (en) * 1969-02-06 1971-08-03 Xerox Corp Dispensing apparatus
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
US3757999A (en) * 1969-10-17 1973-09-11 Xerox Corp Automatic developability control system for electrostatic recording apparatus
BE757430A (fr) * 1969-10-17 1971-04-13 Xerox Corp Systeme de commande automatique de developpabilite
US3614221A (en) * 1969-12-30 1971-10-19 Xerox Corp Imaging system
US3847306A (en) * 1970-05-20 1974-11-12 Xerox Corp Developing apparatus
US3892672A (en) * 1970-08-21 1975-07-01 Addressograph Multigraph Automatic toner concentrate detector and control device
US3664299A (en) * 1970-12-07 1972-05-23 Eg & G Inc Electrostatic recording paper toner section
NL7210357A (enrdf_load_stackoverflow) * 1971-08-06 1973-02-08
US3719165A (en) * 1971-09-03 1973-03-06 Eastman Kodak Co Tuner concentration control apparatus
US3821938A (en) * 1971-12-17 1974-07-02 Ibm Toner usage sensing system
US3756192A (en) * 1971-12-17 1973-09-04 Ibm Automatic toner concentration control system
JPS5619637B2 (enrdf_load_stackoverflow) * 1973-06-20 1981-05-08
JPS5019459A (enrdf_load_stackoverflow) * 1973-06-20 1975-02-28
US3926338A (en) * 1973-11-05 1975-12-16 Xerox Corp Thermally insensitive particle concentration controller
JPS5519944Y2 (enrdf_load_stackoverflow) * 1973-12-19 1980-05-13
JPS5544951B2 (enrdf_load_stackoverflow) * 1974-05-21 1980-11-14
NL7604400A (nl) * 1976-04-26 1977-10-28 Oce Van Der Grinten Nv Inrichting voor het ontwikkelen van een elektro- statisch ladingsbeeld.
JPS52158259U (enrdf_load_stackoverflow) * 1976-05-27 1977-12-01
US4064833A (en) * 1976-11-08 1977-12-27 Pitney-Bowes, Inc. Toner density controller
JPS6020119Y2 (ja) * 1978-03-27 1985-06-17 株式会社東芝 トナ−濃度制御装置
JPS602598Y2 (ja) * 1978-04-19 1985-01-24 株式会社東芝 トナ−濃度検知装置
US4389972A (en) * 1979-08-04 1983-06-28 Ricoh Company, Ltd. Toner concentration control apparatus
DE3308066C1 (de) * 1983-03-08 1984-09-13 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Farbdosiervorrichtung fuer eine Farbkastenwalze
US4662313A (en) * 1985-10-23 1987-05-05 Xerox Corporation Image density controller

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1067305B (enrdf_load_stackoverflow) * 1957-01-18 1959-10-15
US3094049A (en) * 1961-02-03 1963-06-18 Xerox Corp Xerographic developer measuring 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
US3299787A (en) * 1962-11-27 1967-01-24 Harris Intertype Corp Electrophotographic micro-copy printer
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

Also Published As

Publication number Publication date
NL162756C (nl) 1980-06-16
BE715055A (enrdf_load_stackoverflow) 1968-09-30
US3399652A (en) 1968-09-03
NL6806609A (enrdf_load_stackoverflow) 1968-12-16
DE1772421A1 (de) 1972-03-09
NL162756B (nl) 1980-01-15
JPS4916650B1 (enrdf_load_stackoverflow) 1974-04-24
FR1561852A (enrdf_load_stackoverflow) 1969-03-28
DE1772421B2 (de) 1973-02-01

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