CA1013806A - Automatic toner concentration control system - Google Patents
Automatic toner concentration control systemInfo
- Publication number
- CA1013806A CA1013806A CA159,093A CA159093A CA1013806A CA 1013806 A CA1013806 A CA 1013806A CA 159093 A CA159093 A CA 159093A CA 1013806 A CA1013806 A CA 1013806A
- Authority
- CA
- Canada
- Prior art keywords
- control system
- toner concentration
- concentration control
- automatic toner
- automatic
- 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
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Wet Developing In Electrophotography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US20904271A | 1971-12-17 | 1971-12-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1013806A true CA1013806A (en) | 1977-07-12 |
Family
ID=22777084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA159,093A Expired CA1013806A (en) | 1971-12-17 | 1972-12-13 | Automatic toner concentration control system |
Country Status (7)
Country | Link |
---|---|
US (1) | US3756192A (en) |
JP (1) | JPS5213935B2 (en) |
CA (1) | CA1013806A (en) |
DE (1) | DE2257033C3 (en) |
FR (1) | FR2165421A5 (en) |
GB (1) | GB1376359A (en) |
IT (1) | IT967829B (en) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7210357A (en) * | 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 (en) * | 1978-08-14 | 1980-02-18 | Oce Nederland Bv | TONER CONCENTRATION REGULATION. |
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 (en) * | 1983-09-06 | 1985-04-01 | Matsushita Electric Ind Co Ltd | Thin film forming device |
JPS6089673U (en) * | 1983-11-25 | 1985-06-19 | ソニー株式会社 | tape cassette |
JP6004799B2 (en) * | 2012-07-10 | 2016-10-12 | キヤノン株式会社 | Developer container and image forming apparatus |
Family Cites Families (9)
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 |
US3604939A (en) * | 1968-05-24 | 1971-09-14 | Xerox Corp | Toner concentration sensing apparatus having plural sensors and a flow control means for each sensor |
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 |
-
1971
- 1971-12-17 US US00209042A patent/US3756192A/en not_active Expired - Lifetime
-
1972
- 1972-09-25 IT IT29630/72A patent/IT967829B/en active
- 1972-10-17 JP JP47103302A patent/JPS5213935B2/ja not_active Expired
- 1972-10-31 GB GB5005772A patent/GB1376359A/en not_active Expired
- 1972-11-14 FR FR7242132A patent/FR2165421A5/fr not_active Expired
- 1972-11-21 DE DE2257033A patent/DE2257033C3/en not_active Expired
- 1972-12-13 CA CA159,093A patent/CA1013806A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5213935B2 (en) | 1977-04-18 |
US3756192A (en) | 1973-09-04 |
IT967829B (en) | 1974-03-11 |
GB1376359A (en) | 1974-12-04 |
DE2257033B2 (en) | 1980-01-10 |
JPS4869527A (en) | 1973-09-21 |
FR2165421A5 (en) | 1973-08-03 |
DE2257033C3 (en) | 1980-09-04 |
DE2257033A1 (en) | 1973-06-20 |
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