DE2014430A1 - - Google Patents
Info
- Publication number
- DE2014430A1 DE2014430A1 DE19702014430 DE2014430A DE2014430A1 DE 2014430 A1 DE2014430 A1 DE 2014430A1 DE 19702014430 DE19702014430 DE 19702014430 DE 2014430 A DE2014430 A DE 2014430A DE 2014430 A1 DE2014430 A1 DE 2014430A1
- Authority
- DE
- Germany
- Prior art keywords
- toner
- developer mixture
- coil
- output signals
- developer
- 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.)
- Pending
Links
- 239000000203 mixture Substances 0.000 claims description 89
- 238000000034 method Methods 0.000 claims description 18
- 239000002245 particle Substances 0.000 claims description 13
- 239000006249 magnetic particle Substances 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 5
- 239000000696 magnetic material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 230000001105 regulatory effect Effects 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000007600 charging Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007786 electrostatic charging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/023—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance where the material is placed in the field of a coil
-
- 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
-
- 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
Landscapes
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dry Development In Electrophotography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US81113269A | 1969-03-27 | 1969-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2014430A1 true DE2014430A1 (enrdf_load_stackoverflow) | 1970-10-01 |
Family
ID=25205664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702014430 Pending DE2014430A1 (enrdf_load_stackoverflow) | 1969-03-27 | 1970-03-25 |
Country Status (10)
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3892672A (en) * | 1970-08-21 | 1975-07-01 | Addressograph Multigraph | Automatic toner concentrate detector and control device |
| US3821938A (en) * | 1971-12-17 | 1974-07-02 | Ibm | Toner usage sensing system |
| US3873002A (en) * | 1973-04-16 | 1975-03-25 | Xerox Corp | Toner dispenser logic control |
| US3834806A (en) * | 1973-05-07 | 1974-09-10 | Xerox Corp | Particle level indicator |
| JPS5246095B2 (enrdf_load_stackoverflow) * | 1973-05-25 | 1977-11-21 | ||
| JPS5619637B2 (enrdf_load_stackoverflow) * | 1973-06-20 | 1981-05-08 | ||
| US3893408A (en) * | 1973-12-26 | 1975-07-08 | Xerox Corp | Toner dispensing system |
| 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 |
| JPS52131729A (en) * | 1976-04-28 | 1977-11-04 | Ricoh Co Ltd | Toner concentration detection circuit |
| JPS5349437A (en) * | 1976-10-16 | 1978-05-04 | Hitachi Ltd | Toner density detector |
| US4226525A (en) * | 1976-10-19 | 1980-10-07 | Ricoh Company, Ltd. | Electrostatic copying machine |
| DE2747128C3 (de) * | 1976-10-20 | 1980-01-24 | Sharp K.K., Osaka (Japan) | Prüfvorrichtung für die Menge an Entwicklerpulver in einem elektrofotografischen Kopiergerät |
| GB1600956A (en) * | 1977-02-28 | 1981-10-21 | Ricoh Kk | Methods and apparatus for detecting toner concentrations |
| JPS53126944A (en) * | 1977-04-13 | 1978-11-06 | Hitachi Ltd | Developing device using developing powder |
| JPS609269B2 (ja) * | 1977-04-19 | 1985-03-08 | 株式会社リコー | ２成分系現像剤におけるトナ−濃度検知方法 |
| DE2726370C2 (de) * | 1977-06-10 | 1981-09-24 | Basf Ag, 6700 Ludwigshafen | Meßverfahren und Meßeinrichtung zur Bestimmung der Homogenität von Magnetdispersionen |
| DE2727402C2 (de) * | 1977-06-18 | 1979-04-19 | Hoechst Ag, 6000 Frankfurt | Vorrichtung zur Messung der Tonerkonzentration eines Entwicklergemisches |
| US4270487A (en) * | 1977-10-27 | 1981-06-02 | Hitachi, Ltd. | Developer regulating device in developing apparatus |
| JPS6027985B2 (ja) * | 1977-11-07 | 1985-07-02 | 株式会社日立製作所 | 現像剤トナ−濃度検出装置 |
| US4310238A (en) * | 1979-09-08 | 1982-01-12 | Ricoh Company, Ltd. | Electrostatic copying apparatus |
| JPS6036585B2 (ja) * | 1979-11-24 | 1985-08-21 | 株式会社日立製作所 | 現像装置 |
| JPS5726879A (en) * | 1980-07-23 | 1982-02-13 | Mita Ind Co Ltd | Control device for replenishing of developer |
| US4468112A (en) * | 1981-02-18 | 1984-08-28 | Canon Kabushiki Kaisha | Developer concentration controlling device |
| US4357901A (en) * | 1981-09-03 | 1982-11-09 | Bunnington Corporation | Method and system for magnetically sensing and controlling toner concentration and optical density of copies in electrostatic reproduction |
| JPS58136473A (ja) * | 1982-02-08 | 1983-08-13 | Hitachi Ltd | プリント装置 |
| EP0086516B1 (en) * | 1982-02-11 | 1986-05-28 | Agfa-Gevaert N.V. | Xerographic copying apparatus |
| DE3308066C1 (de) * | 1983-03-08 | 1984-09-13 | M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach | Farbdosiervorrichtung fuer eine Farbkastenwalze |
| JP3021619B2 (ja) * | 1990-11-16 | 2000-03-15 | 三洋電機株式会社 | 画像形成装置 |
| US5166729A (en) * | 1991-08-30 | 1992-11-24 | Xerox Corporation | Toner concentration sensing apparatus |
| JPH09329967A (ja) * | 1995-11-27 | 1997-12-22 | Fuji Xerox Co Ltd | 現像装置 |
| EP0807866A1 (en) * | 1996-05-17 | 1997-11-19 | Agfa-Gevaert N.V. | Electrostatographic developing device with toner dosage reservoir |
| CN104460267B (zh) * | 2013-09-20 | 2019-06-14 | 京瓷办公信息系统株式会社 | 显影装置、图像形成装置以及调色剂浓度检测方法 |
| JP6332231B2 (ja) * | 2015-10-28 | 2018-05-30 | 京セラドキュメントソリューションズ株式会社 | 現像装置及び画像形成装置 |
| CN112630375B (zh) * | 2020-07-31 | 2022-03-29 | 南通贝得彩色印刷有限公司 | 一种彩色印刷装置的环保检测方法和装置 |
| CN113117358B (zh) * | 2021-05-21 | 2022-07-12 | 天津民祥生物医药股份有限公司 | 一种用于生产l-脯氨酰胺的浓缩干燥设备 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2909303A (en) * | 1957-12-09 | 1959-10-20 | Reserve Mining Co | Ratio control of binder to concentrate |
| GB1022373A (en) * | 1963-10-24 | 1966-03-09 | Head Wrightson & Co Ltd | Improvements relating to control of flow of particulate solid materials through pipes |
| US3399652A (en) * | 1967-06-14 | 1968-09-03 | Addressograph Multigraph | Automatic toner concentrate detector |
-
1969
- 1969-03-27 US US811132A patent/US3572551A/en not_active Expired - Lifetime
-
1970
- 1970-01-09 CA CA071,825A patent/CA948276A/en not_active Expired
- 1970-01-29 CH CH125870A patent/CH533325A/de not_active IP Right Cessation
- 1970-02-20 FR FR7006175A patent/FR2035930A1/fr not_active Withdrawn
- 1970-03-06 SE SE03011/70A patent/SE365625B/xx unknown
- 1970-03-24 BE BE747889D patent/BE747889A/xx unknown
- 1970-03-25 DE DE19702014430 patent/DE2014430A1/de active Pending
- 1970-03-26 JP JP45025589A patent/JPS4938730B1/ja active Pending
- 1970-03-26 NL NL7004419A patent/NL7004419A/xx unknown
- 1970-03-31 GB GB05261/70A patent/GB1271882A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4938730B1 (enrdf_load_stackoverflow) | 1974-10-19 |
| CH533325A (de) | 1973-01-31 |
| NL7004419A (enrdf_load_stackoverflow) | 1970-09-29 |
| SE365625B (enrdf_load_stackoverflow) | 1974-03-25 |
| CA948276A (en) | 1974-05-28 |
| US3572551A (en) | 1971-03-30 |
| FR2035930A1 (enrdf_load_stackoverflow) | 1970-12-24 |
| GB1271882A (en) | 1972-04-26 |
| BE747889A (fr) | 1970-08-31 |
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