JPH0358116B2 - - Google Patents
Info
- Publication number
- JPH0358116B2 JPH0358116B2 JP57016585A JP1658582A JPH0358116B2 JP H0358116 B2 JPH0358116 B2 JP H0358116B2 JP 57016585 A JP57016585 A JP 57016585A JP 1658582 A JP1658582 A JP 1658582A JP H0358116 B2 JPH0358116 B2 JP H0358116B2
- Authority
- JP
- Japan
- Prior art keywords
- toner
- voltage
- amount
- remaining
- detection
- 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 - Lifetime
Links
- 238000001514 detection method Methods 0.000 claims description 37
- 238000010586 diagram Methods 0.000 description 6
- 238000012937 correction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
- G03G15/0856—Detection or control means for the developer level
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
- Control Or Security For Electrophotography (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57016585A JPS58134669A (ja) | 1982-02-04 | 1982-02-04 | トナ−量検知装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57016585A JPS58134669A (ja) | 1982-02-04 | 1982-02-04 | トナ−量検知装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58134669A JPS58134669A (ja) | 1983-08-10 |
JPH0358116B2 true JPH0358116B2 (cs) | 1991-09-04 |
Family
ID=11920347
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57016585A Granted JPS58134669A (ja) | 1982-02-04 | 1982-02-04 | トナ−量検知装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58134669A (cs) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2874892B2 (ja) * | 1989-04-21 | 1999-03-24 | 株式会社リコー | 現像装置 |
JP2599224B2 (ja) * | 1991-03-29 | 1997-04-09 | 富士通株式会社 | トナ−残量検出方法 |
-
1982
- 1982-02-04 JP JP57016585A patent/JPS58134669A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS58134669A (ja) | 1983-08-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS60104263A (ja) | パラメ−タを測定する検出装置 | |
US4149119A (en) | Combined AC-DC electrometer with AC feedback for drift compensation | |
JPH0358116B2 (cs) | ||
US4549623A (en) | Apparatus for automatically monitoring a constant current source in a measuring instrument | |
JPS58132758A (ja) | 画像形成装置 | |
US6807499B2 (en) | Control device of a position measuring system | |
US2958038A (en) | Electrical tachometer | |
JPH07199636A (ja) | トナーの残量検出装置 | |
CA1191709A (en) | Signal rectifier, especially for magnetoelastic transducers | |
JPH07306081A (ja) | 粉体検知装置 | |
US3579223A (en) | Transistorized monitoring circuit | |
JPH05188782A (ja) | 画像形成装置 | |
JPS6412181B2 (cs) | ||
JPS63208887A (ja) | トナ−濃度検出装置 | |
JPH10126241A (ja) | 近接検出装置 | |
JPS62164068A (ja) | 現像剤トナ−濃度の制御方法 | |
JPH052987B2 (cs) | ||
JPS5955462A (ja) | 現像装置におけるトナ−残量検知装置 | |
JP3108279B2 (ja) | 水位警報装置 | |
JPH027422B2 (cs) | ||
JPH0810799Y2 (ja) | 変流形センサー | |
JPH048794B2 (cs) | ||
JPH048793B2 (cs) | ||
JPH05313468A (ja) | 帯電装置 | |
JPS6019503B2 (ja) | 現像剤トナ−混合比検出装置 |