JPS4857638A - - Google Patents
Info
- Publication number
- JPS4857638A JPS4857638A JP47087235A JP8723572A JPS4857638A JP S4857638 A JPS4857638 A JP S4857638A JP 47087235 A JP47087235 A JP 47087235A JP 8723572 A JP8723572 A JP 8723572A JP S4857638 A JPS4857638 A JP S4857638A
- 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
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17760071A | 1971-09-03 | 1971-09-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4857638A true JPS4857638A (enExample) | 1973-08-13 |
| JPS5432573B2 JPS5432573B2 (enExample) | 1979-10-15 |
Family
ID=22649235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8723572A Expired JPS5432573B2 (enExample) | 1971-09-03 | 1972-09-01 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3719165A (enExample) |
| JP (1) | JPS5432573B2 (enExample) |
| GB (1) | GB1398964A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5085339A (enExample) * | 1973-11-27 | 1975-07-09 |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US3869910A (en) * | 1973-06-18 | 1975-03-11 | Xerox Corp | Diagnostic test device for developer materials |
| JPS5619637B2 (enExample) * | 1973-06-20 | 1981-05-08 | ||
| US3889637A (en) * | 1973-06-28 | 1975-06-17 | Xerox Corp | Self-biased development electrode and reproducing machine employing same |
| US3893408A (en) * | 1973-12-26 | 1975-07-08 | Xerox Corp | Toner dispensing system |
| JPS613004Y2 (enExample) * | 1975-01-13 | 1986-01-30 | ||
| US4178095A (en) * | 1978-04-10 | 1979-12-11 | International Business Machines Corporation | Abnormally low reflectance photoconductor sensing system |
| US4179213A (en) * | 1978-04-10 | 1979-12-18 | International Business Machines Corporation | Vector pinning in an electrophotographic machine |
| US4183657A (en) * | 1978-04-10 | 1980-01-15 | International Business Machines Corporation | Dynamic reference for an image quality control system |
| US4190018A (en) * | 1979-02-02 | 1980-02-26 | Pitney-Bowes, Inc. | Powder density control circuit for a photocopier |
| US4343548A (en) | 1980-05-19 | 1982-08-10 | Xerox Corporation | Control system for regulating the concentration of toner particles within a developer mixture |
| JPS587164A (ja) | 1981-07-03 | 1983-01-14 | Minolta Camera Co Ltd | トナ−濃度制御方法 |
| US4492179A (en) * | 1983-06-16 | 1985-01-08 | Xerox Corporation | Control system for regulating the dispensing of marking particles in an electrophotographic printing machine |
| US5150135A (en) * | 1990-08-20 | 1992-09-22 | Xerox Corporation | Current sensing development control system for an ionographic printing machine |
| US5189475A (en) * | 1991-08-26 | 1993-02-23 | Xerox Corporation | Developer mechanism with sensor and notched auger |
| US8145078B2 (en) * | 2008-05-27 | 2012-03-27 | Xerox Corporation | Toner concentration system control with state estimators and state feedback methods |
Family Cites Families (6)
| 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 |
| US3399652A (en) * | 1967-06-14 | 1968-09-03 | Addressograph Multigraph | Automatic toner concentrate detector |
| US3529546A (en) * | 1967-07-12 | 1970-09-22 | Ibm | Printing substance control |
| US3599605A (en) * | 1969-03-20 | 1971-08-17 | Ibm | Self-biasing development electrode for electrophotography |
| 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 |
-
1971
- 1971-09-03 US US00177600A patent/US3719165A/en not_active Expired - Lifetime
-
1972
- 1972-09-01 JP JP8723572A patent/JPS5432573B2/ja not_active Expired
- 1972-09-04 GB GB4098472A patent/GB1398964A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5085339A (enExample) * | 1973-11-27 | 1975-07-09 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5432573B2 (enExample) | 1979-10-15 |
| US3719165A (en) | 1973-03-06 |
| GB1398964A (en) | 1975-06-25 |