JPS546561A - Developer concentration controller - Google Patents
Developer concentration controllerInfo
- Publication number
- JPS546561A JPS546561A JP7148477A JP7148477A JPS546561A JP S546561 A JPS546561 A JP S546561A JP 7148477 A JP7148477 A JP 7148477A JP 7148477 A JP7148477 A JP 7148477A JP S546561 A JPS546561 A JP S546561A
- Authority
- JP
- Japan
- Prior art keywords
- developer concentration
- concentration controller
- developer
- reflectivity
- temp
- 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.)
- Granted
Links
Abstract
PURPOSE:To keep developer concentration constant and to retain image quality stable irrespective of the density of an original and temp. change, by irradiating with light the part to be measured and the reference part of a rotary body rotating in contact to the developer, and by detecting transmissivity or reflectivity of them.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7148477A JPS546561A (en) | 1977-06-16 | 1977-06-16 | Developer concentration controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7148477A JPS546561A (en) | 1977-06-16 | 1977-06-16 | Developer concentration controller |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16281081A Division JPS5794765A (en) | 1981-10-14 | 1981-10-14 | Concentration controller of developer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS546561A true JPS546561A (en) | 1979-01-18 |
JPS563552B2 JPS563552B2 (en) | 1981-01-26 |
Family
ID=13461958
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7148477A Granted JPS546561A (en) | 1977-06-16 | 1977-06-16 | Developer concentration controller |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS546561A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55127573A (en) * | 1979-03-26 | 1980-10-02 | Fuji Xerox Co Ltd | Gain adjusting method of toner image detector in electrophotographic copier |
JPS55127571A (en) * | 1979-03-26 | 1980-10-02 | Fuji Xerox Co Ltd | Control method of electrophotographic copier |
US4341461A (en) * | 1980-04-07 | 1982-07-27 | Xerox Corporation | Development control of a reproduction machine |
JPH026970A (en) * | 1988-11-14 | 1990-01-11 | Fuji Xerox Co Ltd | Control method for electronic copying machine |
US4998141A (en) * | 1990-08-31 | 1991-03-05 | Eastman Kodak Company | Electret toner concentration monitor |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4869527A (en) * | 1971-12-17 | 1973-09-21 | ||
JPS4916650A (en) * | 1972-06-07 | 1974-02-14 | ||
JPS5233734A (en) * | 1975-09-10 | 1977-03-15 | Canon Inc | Device for detecting and controlling density |
-
1977
- 1977-06-16 JP JP7148477A patent/JPS546561A/en active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4869527A (en) * | 1971-12-17 | 1973-09-21 | ||
JPS4916650A (en) * | 1972-06-07 | 1974-02-14 | ||
JPS5233734A (en) * | 1975-09-10 | 1977-03-15 | Canon Inc | Device for detecting and controlling density |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55127573A (en) * | 1979-03-26 | 1980-10-02 | Fuji Xerox Co Ltd | Gain adjusting method of toner image detector in electrophotographic copier |
JPS55127571A (en) * | 1979-03-26 | 1980-10-02 | Fuji Xerox Co Ltd | Control method of electrophotographic copier |
JPH0313585B2 (en) * | 1979-03-26 | 1991-02-22 | Fuji Xerox Co Ltd | |
JPH0314186B2 (en) * | 1979-03-26 | 1991-02-26 | Fuji Xerox Co Ltd | |
US4341461A (en) * | 1980-04-07 | 1982-07-27 | Xerox Corporation | Development control of a reproduction machine |
JPH026970A (en) * | 1988-11-14 | 1990-01-11 | Fuji Xerox Co Ltd | Control method for electronic copying machine |
JPH0529908B2 (en) * | 1988-11-14 | 1993-05-06 | Fuji Xerox Co Ltd | |
US4998141A (en) * | 1990-08-31 | 1991-03-05 | Eastman Kodak Company | Electret toner concentration monitor |
Also Published As
Publication number | Publication date |
---|---|
JPS563552B2 (en) | 1981-01-26 |
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