IT967829B - Dispositivo automatico per il con trollo della concentrazione del rivelatore particolarmente per mac chine copiatrici elettrostatiche - Google Patents

Dispositivo automatico per il con trollo della concentrazione del rivelatore particolarmente per mac chine copiatrici elettrostatiche

Info

Publication number
IT967829B
IT967829B IT29630/72A IT2963072A IT967829B IT 967829 B IT967829 B IT 967829B IT 29630/72 A IT29630/72 A IT 29630/72A IT 2963072 A IT2963072 A IT 2963072A IT 967829 B IT967829 B IT 967829B
Authority
IT
Italy
Prior art keywords
checking
automatic device
copying machines
electrostatic copying
concentration particularly
Prior art date
Application number
IT29630/72A
Other languages
English (en)
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 IT967829B publication Critical patent/IT967829B/it

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
    • 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
IT29630/72A 1971-12-17 1972-09-25 Dispositivo automatico per il con trollo della concentrazione del rivelatore particolarmente per mac chine copiatrici elettrostatiche IT967829B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20904271A 1971-12-17 1971-12-17

Publications (1)

Publication Number Publication Date
IT967829B true IT967829B (it) 1974-03-11

Family

ID=22777084

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29630/72A IT967829B (it) 1971-12-17 1972-09-25 Dispositivo automatico per il con trollo della concentrazione del rivelatore particolarmente per mac chine copiatrici elettrostatiche

Country Status (7)

Country Link
US (1) US3756192A (it)
JP (1) JPS5213935B2 (it)
CA (1) CA1013806A (it)
DE (1) DE2257033C3 (it)
FR (1) FR2165421A5 (it)
GB (1) GB1376359A (it)
IT (1) IT967829B (it)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7210357A (it) * 1971-08-06 1973-02-08
US3872824A (en) * 1972-02-22 1975-03-25 Dyk Research Corp Van Xerographic toner concentration control apparatus
US3869910A (en) * 1973-06-18 1975-03-11 Xerox Corp Diagnostic test device for developer materials
US3911861A (en) * 1973-12-03 1975-10-14 Addressograph Multigraph Programmable toner concentration control
US3926145A (en) * 1974-03-04 1975-12-16 Honeywell Inf Systems Toner concentration detector
US3999512A (en) * 1974-09-25 1976-12-28 Xerox Corporation Electrostatic development system with passive storage capacity
US4032227A (en) * 1976-01-15 1977-06-28 International Business Machines Corporation Toner concentration control apparatus
JPS53103736A (en) * 1977-02-23 1978-09-09 Ricoh Co Ltd Auto-bias development for xerographic copying machine
JPS546561A (en) * 1977-06-16 1979-01-18 Toshiba Corp Developer concentration controller
US4273843A (en) * 1978-06-12 1981-06-16 Konishiroku Photo Industry Co., Ltd. Method of detecting toner concentration in electrophotographic copying machine
JPS5519543A (en) * 1978-07-31 1980-02-12 Nippon Carbon Co Ltd Preparation of frp screw
NL7808419A (nl) * 1978-08-14 1980-02-18 Oce Nederland Bv Tonerconcentratieregeling.
US4389972A (en) * 1979-08-04 1983-06-28 Ricoh Company, Ltd. Toner concentration control apparatus
JPS5624376A (en) * 1979-08-04 1981-03-07 Ricoh Co Ltd Toner concentration control unit of developer
JPS5667871A (en) * 1979-11-07 1981-06-08 Ricoh Co Ltd Toner concentration control unit
US4348099A (en) * 1980-04-07 1982-09-07 Xerox Corporation Closed loop control of reproduction machine
US4506973A (en) * 1983-06-20 1985-03-26 Eastman Kodak Company Toner concentration monitoring apparatus located behind a transparent photoconductor
US4553033A (en) * 1983-08-24 1985-11-12 Xerox Corporation Infrared reflectance densitometer
JPS6056069A (ja) * 1983-09-06 1985-04-01 Matsushita Electric Ind Co Ltd 薄膜形成装置
JPS6089673U (ja) * 1983-11-25 1985-06-19 ソニー株式会社 テ−プカセツト
JP6004799B2 (ja) * 2012-07-10 2016-10-12 キヤノン株式会社 現像剤収容容器及び画像形成装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2589414A (en) * 1947-09-23 1952-03-18 Gen Motors Corp Radiant energy transmission and reflection analyzer with adjustable filter
US2956487A (en) * 1955-03-23 1960-10-18 Rca Corp Electrostatic printing
US3233781A (en) * 1963-05-08 1966-02-08 Savin Business Machines Corp Toner control system
US3399652A (en) * 1967-06-14 1968-09-03 Addressograph Multigraph Automatic toner concentrate detector
US3527387A (en) * 1968-05-24 1970-09-08 Xerox Corp Developer replenishing programming system
US3610205A (en) * 1968-10-17 1971-10-05 Continental Can Co Apparatus for measuring and controlling mixture content
US3609047A (en) * 1970-03-02 1971-09-28 Xerox Corp Single beam photometer system wherein the absorbance of a sample is determined relative to a reference
US3669547A (en) * 1970-09-14 1972-06-13 Bell Telephone Labor Inc Optical spectrometer with transparent refracting chopper
US3677652A (en) * 1971-06-15 1972-07-18 Gte Sylvania Inc Fluid analyzer apparatus

Also Published As

Publication number Publication date
US3756192A (en) 1973-09-04
CA1013806A (en) 1977-07-12
DE2257033B2 (de) 1980-01-10
JPS5213935B2 (it) 1977-04-18
JPS4869527A (it) 1973-09-21
FR2165421A5 (it) 1973-08-03
DE2257033C3 (de) 1980-09-04
DE2257033A1 (de) 1973-06-20
GB1376359A (en) 1974-12-04

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