CA1008915A - Toner dispenser logic control - Google Patents
Toner dispenser logic controlInfo
- Publication number
- CA1008915A CA1008915A CA192,970A CA192970A CA1008915A CA 1008915 A CA1008915 A CA 1008915A CA 192970 A CA192970 A CA 192970A CA 1008915 A CA1008915 A CA 1008915A
- Authority
- CA
- Canada
- Prior art keywords
- logic control
- toner dispenser
- dispenser logic
- toner
- control
- 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
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D21/00—Control of chemical or physico-chemical variables, e.g. pH value
- G05D21/02—Control of chemical or physico-chemical variables, e.g. pH value characterised by the use of electric 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
- G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
- G03G15/0849—Detection or control means for the developer concentration
-
- 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
- G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
- G03G15/5033—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the photoconductor characteristics, e.g. temperature, or the characteristics of an image on the photoconductor
- G03G15/5041—Detecting a toner image, e.g. density, toner coverage, using a test patch
-
- 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)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Dry Development In Electrophotography (AREA)
- Control Or Security For Electrophotography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US351741A US3873002A (en) | 1973-04-16 | 1973-04-16 | Toner dispenser logic control |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1008915A true CA1008915A (en) | 1977-04-19 |
Family
ID=23382178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA192,970A Expired CA1008915A (en) | 1973-04-16 | 1974-02-19 | Toner dispenser logic control |
Country Status (11)
Country | Link |
---|---|
US (1) | US3873002A (de) |
JP (1) | JPS544853B2 (de) |
AU (1) | AU6791674A (de) |
BE (1) | BE813798A (de) |
BR (1) | BR7403036D0 (de) |
CA (1) | CA1008915A (de) |
DE (1) | DE2408411A1 (de) |
FR (1) | FR2225782B1 (de) |
GB (1) | GB1457565A (de) |
IT (1) | IT1009837B (de) |
NL (1) | NL7404416A (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4065031A (en) * | 1976-07-23 | 1977-12-27 | Xerox Corporation | Programmable development control system |
JPS5540449A (en) * | 1978-09-14 | 1980-03-21 | Ricoh Co Ltd | Method for detecting development capability of two-color developer and developing apparatus provided with unit using its method |
US4551004A (en) * | 1980-10-21 | 1985-11-05 | Xerox Corporation | Toner concentration sensor |
JPS57158849A (en) * | 1981-03-27 | 1982-09-30 | Konishiroku Photo Ind Co Ltd | Toner replenishing method |
US4635819A (en) * | 1982-01-28 | 1987-01-13 | K-Tron International, Inc. | Apparatus and method for improving the accuracy of a loss-in-weight feeding system |
GB2127590B (en) * | 1982-09-21 | 1987-04-15 | Xerox Corp | Toner density control |
EP0357387B1 (de) * | 1988-08-31 | 1994-05-04 | Canon Kabushiki Kaisha | Bildaufzeichnungsgerät |
US5081491A (en) * | 1990-12-04 | 1992-01-14 | Xerox Corporation | Toner maintenance subsystem for a printing machine |
GB2259583B (en) * | 1991-09-11 | 1995-08-16 | Xerox Corp | Toner monitoring in an electrostatographic printing/digital copying machine |
US5574539A (en) * | 1995-09-18 | 1996-11-12 | Xerox Corporation | Toner maintenance subsystem for a printing machine |
US5890042A (en) * | 1996-03-29 | 1999-03-30 | Xerox Corporation | Hybrid jumping developer with pulse width compensated toner mass control |
US5887221A (en) * | 1997-10-20 | 1999-03-23 | Xerox Corporation | Signature sensing for optimum toner control with donor roll |
US6580882B2 (en) | 2001-10-04 | 2003-06-17 | Xerox Corporation | Low cost trim-gap-conductivity TC sensor |
US20030113649A1 (en) * | 2001-12-12 | 2003-06-19 | Xerox Corporation | Developer composition having improved noise signal ratio in an optical toner concentration sensing system |
US6606463B2 (en) | 2001-12-12 | 2003-08-12 | Xerox Corporation | Optical toner concentration sensor |
US8145078B2 (en) * | 2008-05-27 | 2012-03-27 | Xerox Corporation | Toner concentration system control with state estimators and state feedback methods |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2978951A (en) * | 1958-02-13 | 1961-04-11 | Proctor Silex Corp | Method and system of color monitoring |
US3409901A (en) * | 1967-07-12 | 1968-11-05 | Ibm | Automatic toner concentration control for use with crt input |
US3526338A (en) * | 1968-01-02 | 1970-09-01 | Xerox Corp | Method and controller for dispensing electroscopic material |
US3572551A (en) * | 1969-03-27 | 1971-03-30 | Rca Corp | Apparatus for monitoring and controlling the concentration of toner in a developer mix |
US3777935A (en) * | 1971-10-19 | 1973-12-11 | Storey W | Pulse capture unit and apparatus for controlling the blending of two flowable substances |
-
1973
- 1973-04-16 US US351741A patent/US3873002A/en not_active Expired - Lifetime
-
1974
- 1974-02-19 CA CA192,970A patent/CA1008915A/en not_active Expired
- 1974-02-21 DE DE19742408411 patent/DE2408411A1/de not_active Withdrawn
- 1974-04-01 NL NL7404416A patent/NL7404416A/xx not_active Application Discontinuation
- 1974-04-09 JP JP4040074A patent/JPS544853B2/ja not_active Expired
- 1974-04-10 GB GB1585974A patent/GB1457565A/en not_active Expired
- 1974-04-12 IT IT21397/74A patent/IT1009837B/it active
- 1974-04-16 AU AU67916/74A patent/AU6791674A/en not_active Expired
- 1974-04-16 BE BE143279A patent/BE813798A/xx unknown
- 1974-04-16 FR FR7413189A patent/FR2225782B1/fr not_active Expired
- 1974-04-16 BR BR3036/74A patent/BR7403036D0/pt unknown
Also Published As
Publication number | Publication date |
---|---|
BR7403036D0 (pt) | 1974-11-19 |
AU6791674A (en) | 1975-10-16 |
FR2225782A1 (de) | 1974-11-08 |
JPS5031829A (de) | 1975-03-28 |
FR2225782B1 (de) | 1978-01-20 |
IT1009837B (it) | 1976-12-20 |
DE2408411A1 (de) | 1974-10-31 |
US3873002A (en) | 1975-03-25 |
JPS544853B2 (de) | 1979-03-10 |
GB1457565A (en) | 1976-12-08 |
BE813798A (fr) | 1974-08-16 |
NL7404416A (de) | 1974-10-18 |
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