JPS4842739A - - Google Patents
Info
- Publication number
- JPS4842739A JPS4842739A JP47096042A JP9604272A JPS4842739A JP S4842739 A JPS4842739 A JP S4842739A JP 47096042 A JP47096042 A JP 47096042A JP 9604272 A JP9604272 A JP 9604272A JP S4842739 A JPS4842739 A JP S4842739A
- Authority
- JP
- Japan
- 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.)
- Granted
Links
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
- G01N27/60—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrostatic variables, e.g. electrographic flaw testing
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- 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
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- 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
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- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712147948 DE2147948C3 (en) | 1971-09-25 | Method and device for measuring the removal of toner in an electrophotographic reproduction machine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS4842739A true JPS4842739A (en) | 1973-06-21 |
JPS5547390B2 JPS5547390B2 (en) | 1980-11-29 |
Family
ID=5820561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9604272A Expired JPS5547390B2 (en) | 1971-09-25 | 1972-09-25 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3910459A (en) |
JP (1) | JPS5547390B2 (en) |
AU (1) | AU467941B2 (en) |
FR (1) | FR2154252A5 (en) |
GB (1) | GB1398963A (en) |
NL (1) | NL7212544A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4869528A (en) * | 1971-12-17 | 1973-09-21 | ||
JPS61292665A (en) * | 1985-06-20 | 1986-12-23 | Sanyo Electric Co Ltd | Toner concentration detecting device |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5953538B2 (en) * | 1975-04-07 | 1984-12-25 | 株式会社リコー | Toner concentration detection method |
US4064834A (en) * | 1976-11-19 | 1977-12-27 | A. B. Dick Company | Apparatus for sensing the concentration of toner in a developer mix |
DE2715904C3 (en) * | 1977-04-09 | 1981-05-27 | Agfa-Gevaert Ag, 5090 Leverkusen | Cascade developing device for an electrostatic copier |
US4288518A (en) * | 1978-12-13 | 1981-09-08 | Minolta Camera Kabushiki Kaisha | Electrographic magnetic developing method |
US4310238A (en) * | 1979-09-08 | 1982-01-12 | Ricoh Company, Ltd. | Electrostatic copying apparatus |
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 |
US4660152A (en) * | 1984-06-18 | 1987-04-21 | Xerox Corporation | System and method for monitoring and maintaining concentrate material in a fluid carrier |
US4607944A (en) * | 1985-06-07 | 1986-08-26 | Eastman Kodak Company | Apparatus for controlling toner replenishment in electrographic copier |
US5150135A (en) * | 1990-08-20 | 1992-09-22 | Xerox Corporation | Current sensing development control system for an ionographic printing machine |
US6275675B1 (en) * | 1999-09-14 | 2001-08-14 | Lester E. Cornelius | Electronically conducting segmented hopper construction for toner cartridge |
JP6864820B2 (en) * | 2016-07-25 | 2021-04-28 | 富士フイルムビジネスイノベーション株式会社 | Development system and image forming equipment |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3376853A (en) * | 1966-04-29 | 1968-04-09 | Xerox Corp | Electrostatic toner control |
US3409901A (en) * | 1967-07-12 | 1968-11-05 | Ibm | Automatic toner concentration control for use with crt input |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2965266A (en) * | 1958-04-30 | 1960-12-20 | Haloid Xerox Inc | Xerographic toner dispenser |
US3656509A (en) * | 1970-02-05 | 1972-04-18 | Minolta Camera Kk | Automatic toner feeding device for electronic copying machines |
US3674353A (en) * | 1971-07-01 | 1972-07-04 | Eastman Kodak Co | Toner concentration control apparatus |
US3719165A (en) * | 1971-09-03 | 1973-03-06 | Eastman Kodak Co | Tuner concentration control apparatus |
-
1972
- 1972-09-14 AU AU46655/72A patent/AU467941B2/en not_active Expired
- 1972-09-15 NL NL7212544A patent/NL7212544A/xx not_active Application Discontinuation
- 1972-09-22 GB GB4398272A patent/GB1398963A/en not_active Expired
- 1972-09-25 JP JP9604272A patent/JPS5547390B2/ja not_active Expired
- 1972-09-25 FR FR7233836A patent/FR2154252A5/fr not_active Expired
- 1972-09-25 US US292254A patent/US3910459A/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3376853A (en) * | 1966-04-29 | 1968-04-09 | Xerox Corp | Electrostatic toner control |
US3409901A (en) * | 1967-07-12 | 1968-11-05 | Ibm | Automatic toner concentration control for use with crt input |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4869528A (en) * | 1971-12-17 | 1973-09-21 | ||
JPS61292665A (en) * | 1985-06-20 | 1986-12-23 | Sanyo Electric Co Ltd | Toner concentration detecting device |
JPH0578837B2 (en) * | 1985-06-20 | 1993-10-29 | Sanyo Electric Co |
Also Published As
Publication number | Publication date |
---|---|
FR2154252A5 (en) | 1973-05-04 |
NL7212544A (en) | 1973-03-27 |
US3910459A (en) | 1975-10-07 |
GB1398963A (en) | 1975-06-25 |
AU4665572A (en) | 1974-03-21 |
DE2147948A1 (en) | 1973-03-29 |
AU467941B2 (en) | 1975-12-18 |
JPS5547390B2 (en) | 1980-11-29 |
DE2147948B2 (en) | 1977-06-30 |