FR2069358A5 - - Google Patents

Info

Publication number
FR2069358A5
FR2069358A5 FR7040695A FR7040695A FR2069358A5 FR 2069358 A5 FR2069358 A5 FR 2069358A5 FR 7040695 A FR7040695 A FR 7040695A FR 7040695 A FR7040695 A FR 7040695A FR 2069358 A5 FR2069358 A5 FR 2069358A5
Authority
FR
France
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
FR7040695A
Other languages
French (fr)
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.)
Katsuragawa Electric Co Ltd
Original Assignee
Katsuragawa Electric Co Ltd
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 Katsuragawa Electric Co Ltd filed Critical Katsuragawa Electric Co Ltd
Application granted granted Critical
Publication of FR2069358A5 publication Critical patent/FR2069358A5/fr
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
    • G03G15/0853—Detection or control means for the developer concentration the concentration being measured by magnetic means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
FR7040695A 1969-11-11 1970-11-13 Expired FR2069358A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9061269 1969-11-11

Publications (1)

Publication Number Publication Date
FR2069358A5 true FR2069358A5 (en) 1971-09-03

Family

ID=14003288

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7040695A Expired FR2069358A5 (en) 1969-11-11 1970-11-13

Country Status (6)

Country Link
US (1) US3698926A (en)
AU (1) AU2215270A (en)
CA (1) CA939732A (en)
DE (1) DE2055321C3 (en)
FR (1) FR2069358A5 (en)
NL (1) NL7016420A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2407501A1 (en) * 1977-10-27 1979-05-25 Hitachi Ltd SYSTEM FOR ADJUSTING A DEVELOPER IN A DEVELOPMENT APPARATUS

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3821938A (en) * 1971-12-17 1974-07-02 Ibm Toner usage sensing system
JPS5618953B2 (en) * 1971-12-27 1981-05-02
NL7305054A (en) * 1972-04-13 1973-10-16
US4034701A (en) * 1972-06-28 1977-07-12 Xerox Corporation Particle dispenser
JPS5019459A (en) * 1973-06-20 1975-02-28
US3956108A (en) * 1973-07-30 1976-05-11 Xerox Corporation Anti-plugging device for automatic developability control systems
DE2359872A1 (en) * 1973-11-30 1975-06-05 Agfa Gevaert Ag DEVELOPMENT DEVICE FOR ELECTROSTATIC COPY DEVICES
US3880119A (en) * 1973-12-20 1975-04-29 Xerox Corp Development apparatus
DE2363757C2 (en) * 1973-12-21 1983-07-14 Hoechst Ag, 6230 Frankfurt Method and device for replenishing developer medium
US3893408A (en) * 1973-12-26 1975-07-08 Xerox Corp Toner dispensing system
US3923004A (en) * 1973-12-27 1975-12-02 Xerox Corp Development and cleaning apparatus for reverse path machine
US3999687A (en) * 1974-07-17 1976-12-28 Savin Business Machines Corporation Toner concentration detector
US3970036A (en) * 1974-07-17 1976-07-20 Savin Business Machines Corporation Toner concentration detector for dry powder magnetic brush toning system
JPS52125339A (en) * 1976-04-14 1977-10-21 Hitachi Ltd Detector for toner density
JPS5349988A (en) * 1976-10-18 1978-05-06 Canon Inc Electricity reduction method and its device
GB1600956A (en) * 1977-02-28 1981-10-21 Ricoh Kk Methods and apparatus for detecting toner concentrations
JPS5643556A (en) * 1979-09-19 1981-04-22 Toshiba Corp Concentration control device of developer
US4330193A (en) * 1979-10-01 1982-05-18 Xerox Corporation Development system
JPS56146155A (en) 1980-04-15 1981-11-13 Mita Ind Co Ltd Electrostatic copying machine
JPS5726879A (en) * 1980-07-23 1982-02-13 Mita Ind Co Ltd Control device for replenishing of developer
EP0086516B1 (en) * 1982-02-11 1986-05-28 Agfa-Gevaert N.V. Xerographic copying apparatus
DE3379182D1 (en) * 1982-11-29 1989-03-16 Hitachi Metals Ltd Apparatus for controlling toner concentration in developer
US5003352A (en) * 1989-10-24 1991-03-26 Am International, Inc. Liquid toner supply system and method
US4952301A (en) * 1989-11-06 1990-08-28 Betz Laboratories, Inc. Method of inhibiting fouling in caustic scrubber systems
US5017964A (en) * 1989-11-29 1991-05-21 Am International, Inc. Corona charge system and apparatus for electrophotographic printing press
US5019868A (en) * 1989-12-28 1991-05-28 Am International, Inc. Developer electrode and reverse roller assembly for high speed electrophotographic printing device
US5077172A (en) * 1989-12-28 1991-12-31 Am International, Inc. Carrier web transfer device and method for electrophotographic printing press
US5177877A (en) * 1989-12-28 1993-01-12 Am International, Inc. Dryer-fuser apparatus and method for high speed electrophotographic printing device
JP3021619B2 (en) * 1990-11-16 2000-03-15 三洋電機株式会社 Image forming device
US5166729A (en) * 1991-08-30 1992-11-24 Xerox Corporation Toner concentration sensing apparatus
JP4853963B2 (en) * 2006-05-15 2012-01-11 株式会社リコー Developing device, process cartridge, and image forming apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2407501A1 (en) * 1977-10-27 1979-05-25 Hitachi Ltd SYSTEM FOR ADJUSTING A DEVELOPER IN A DEVELOPMENT APPARATUS

Also Published As

Publication number Publication date
AU2215270A (en) 1972-05-18
DE2055321C3 (en) 1975-11-20
NL7016420A (en) 1971-05-13
US3698926A (en) 1972-10-17
DE2055321A1 (en) 1971-07-01
CA939732A (en) 1974-01-08
DE2055321B2 (en) 1973-08-02

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