AU4874172A - Electrostatic copying machine - Google Patents
Electrostatic copying machineInfo
- Publication number
- AU4874172A AU4874172A AU48741/72A AU4874172A AU4874172A AU 4874172 A AU4874172 A AU 4874172A AU 48741/72 A AU48741/72 A AU 48741/72A AU 4874172 A AU4874172 A AU 4874172A AU 4874172 A AU4874172 A AU 4874172A
- Authority
- AU
- Australia
- Prior art keywords
- copying machine
- electrostatic copying
- electrostatic
- machine
- copying
- 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
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/06—Control of flow characterised by the use of electric means
- G05D7/0605—Control of flow characterised by the use of electric means specially adapted for solid materials
-
- 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
- G03G15/0851—Detection or control means for the developer concentration the concentration being measured by electrical 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/06—Developing structures, details
- G03G2215/0634—Developing device
- G03G2215/0636—Specific type of dry developer device
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Dry Development In Electrophotography (AREA)
- Control Or Security For Electrophotography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00209040A US3821938A (en) | 1971-12-17 | 1971-12-17 | Toner usage sensing system |
Publications (1)
Publication Number | Publication Date |
---|---|
AU4874172A true AU4874172A (en) | 1974-05-16 |
Family
ID=22777076
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU48741/72A Expired AU4874172A (en) | 1971-12-17 | 1972-11-10 | Electrostatic copying machine |
Country Status (14)
Country | Link |
---|---|
US (1) | US3821938A (ja) |
JP (1) | JPS4869528A (ja) |
AR (1) | AR205242A1 (ja) |
AU (1) | AU4874172A (ja) |
BR (1) | BR7208877D0 (ja) |
CA (1) | CA1010493A (ja) |
CH (1) | CH539870A (ja) |
DE (1) | DE2254883A1 (ja) |
ES (1) | ES409699A1 (ja) |
FR (1) | FR2165442A5 (ja) |
GB (1) | GB1372999A (ja) |
IT (1) | IT967830B (ja) |
NL (1) | NL7215310A (ja) |
SE (1) | SE375634B (ja) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5619637B2 (ja) * | 1973-06-20 | 1981-05-08 | ||
JPS613004Y2 (ja) * | 1975-01-13 | 1986-01-30 | ||
US4026643A (en) * | 1975-08-22 | 1977-05-31 | Xerox Corporation | Apparatus and method for measurement of the ratio of toner particle electrostatic charge to toner particle mass in electrostatographic devices |
JPS52131729A (en) * | 1976-04-28 | 1977-11-04 | Ricoh Co Ltd | Toner concentration detection circuit |
US4064834A (en) * | 1976-11-19 | 1977-12-27 | A. B. Dick Company | Apparatus for sensing the concentration of toner in a developer mix |
US4163787A (en) | 1977-03-14 | 1979-08-07 | The Dow Chemical Company | Substituted pyridine methyl esters of cyclopropane carboxylic acids and their use as insecticides |
JPS5437758A (en) * | 1977-08-30 | 1979-03-20 | Ricoh Co Ltd | Electrostatic latent image developing method |
US4343548A (en) * | 1980-05-19 | 1982-08-10 | Xerox Corporation | Control system for regulating the concentration of toner particles within a developer mixture |
US4524088A (en) * | 1983-01-31 | 1985-06-18 | Magnetic Technologies Corp. | Method and apparatus for controlling the thickness of developer on an applicator, such as a magnetic brush, in electrostatic reproduction |
US4492179A (en) * | 1983-06-16 | 1985-01-08 | Xerox Corporation | Control system for regulating the dispensing of marking particles in an electrophotographic printing machine |
US4972230A (en) * | 1989-10-31 | 1990-11-20 | Xerox Corporation | Toner usage detector based on current biasing mixing means |
US5006897A (en) * | 1990-07-02 | 1991-04-09 | Eastman Kodak Company | Determination of charge-to-mass ratio |
US5459556A (en) * | 1994-01-12 | 1995-10-17 | Xerox Corporation | Toner consumption rate gauge for printers and copiers |
JP3269949B2 (ja) * | 1995-10-03 | 2002-04-02 | 京セラミタ株式会社 | 二成分系現像剤におけるトナー濃度及び帯電量の測定方法 |
JP3199993B2 (ja) * | 1995-10-23 | 2001-08-20 | シャープ株式会社 | 現像剤帯電量測定装置 |
FR2764374B1 (fr) * | 1997-06-10 | 1999-08-06 | Stolz Sequipag | Dispositif de controle de l'ecoulement d'un produit contenu dans une enceinte |
US6248496B1 (en) * | 2000-03-07 | 2001-06-19 | Xerox Corporation | Method of replenishing developer in a hybrid scavengeless development system |
JP3999743B2 (ja) * | 2001-12-14 | 2007-10-31 | 三洋化成工業株式会社 | トナーバインダー用樹脂及びトナー組成物 |
US7546048B2 (en) * | 2006-01-12 | 2009-06-09 | Sun Chemical Corporation | Method for determining ink usage efficiency in commercial printing processes using pigments and quantitative tests |
US8155540B2 (en) * | 2010-06-02 | 2012-04-10 | Xerox Corporation | Optimized limit gain compensation for dispense time accumulators of toner concentration control |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3527651A (en) * | 1966-10-20 | 1970-09-08 | Addressograph Multigraph | Method of and apparatus for developing electrostatic images |
US3553464A (en) * | 1967-03-27 | 1971-01-05 | Ricoh Kk | Device for detecting the density of developer in an electrostatographic duplicator |
US3399652A (en) * | 1967-06-14 | 1968-09-03 | Addressograph Multigraph | Automatic toner concentrate detector |
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 |
BE757197A (fr) * | 1969-10-09 | 1971-03-16 | Rca Corp | Dispositif pour controler et regler la concentration de particules de poudre dans un melange de poudre et de particules magnetiques |
NL7016420A (ja) * | 1969-11-11 | 1971-05-13 | ||
US3654893A (en) * | 1970-05-01 | 1972-04-11 | Eastman Kodak Co | Automatic bias control for electrostatic development |
US3674532A (en) * | 1970-07-23 | 1972-07-04 | Eastman Kodak Co | Control for bias of magnetic brush and method |
US3707134A (en) * | 1970-08-21 | 1972-12-26 | Addressograph Multigraph | Automatic toner concentrate detector and control device |
US3678896A (en) * | 1971-01-28 | 1972-07-25 | Xerox Corp | Conveyor system |
US3674353A (en) * | 1971-07-01 | 1972-07-04 | Eastman Kodak Co | Toner concentration control apparatus |
AU467941B2 (en) * | 1971-09-25 | 1975-12-18 | Hoechst Aktiengesellschaft | Method of and apparatus for measuring or measuring and replacing toner consumed inan electrophotographic reproduction machine |
-
1971
- 1971-12-17 US US00209040A patent/US3821938A/en not_active Expired - Lifetime
-
1972
- 1972-01-01 AR AR245558A patent/AR205242A1/es active
- 1972-09-25 IT IT29631/72A patent/IT967830B/it active
- 1972-11-02 GB GB5045772A patent/GB1372999A/en not_active Expired
- 1972-11-09 DE DE2254883A patent/DE2254883A1/de active Pending
- 1972-11-10 AU AU48741/72A patent/AU4874172A/en not_active Expired
- 1972-11-10 JP JP47112228A patent/JPS4869528A/ja active Pending
- 1972-11-13 NL NL7215310A patent/NL7215310A/xx not_active Application Discontinuation
- 1972-11-17 SE SE7214970A patent/SE375634B/xx unknown
- 1972-11-28 CH CH1734672A patent/CH539870A/de not_active IP Right Cessation
- 1972-11-29 FR FR7243284A patent/FR2165442A5/fr not_active Expired
- 1972-12-05 CA CA158,260A patent/CA1010493A/en not_active Expired
- 1972-12-15 BR BR8877/72A patent/BR7208877D0/pt unknown
- 1972-12-16 ES ES409699A patent/ES409699A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES409699A1 (es) | 1975-12-16 |
NL7215310A (ja) | 1973-06-19 |
CH539870A (de) | 1973-07-31 |
US3821938A (en) | 1974-07-02 |
SE375634B (ja) | 1975-04-21 |
IT967830B (it) | 1974-03-11 |
FR2165442A5 (ja) | 1973-08-03 |
DE2254883A1 (de) | 1973-06-28 |
JPS4869528A (ja) | 1973-09-21 |
BR7208877D0 (pt) | 1974-01-03 |
CA1010493A (en) | 1977-05-17 |
GB1372999A (en) | 1974-11-06 |
AR205242A1 (es) | 1976-04-21 |
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