JPS54134648A - Duplicator - Google Patents
DuplicatorInfo
- Publication number
- JPS54134648A JPS54134648A JP3635379A JP3635379A JPS54134648A JP S54134648 A JPS54134648 A JP S54134648A JP 3635379 A JP3635379 A JP 3635379A JP 3635379 A JP3635379 A JP 3635379A JP S54134648 A JPS54134648 A JP S54134648A
- Authority
- JP
- Japan
- Prior art keywords
- duplicator
- 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
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
- G03G15/50—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
- G03G15/5037—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 the characteristics being an electrical parameter, e.g. voltage
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/00025—Machine control, e.g. regulating different parts of the machine
- G03G2215/00029—Image density detection
- G03G2215/00033—Image density detection on recording member
- G03G2215/00037—Toner image detection
- G03G2215/00042—Optical detection
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/894,955 US4183657A (en) | 1978-04-10 | 1978-04-10 | Dynamic reference for an image quality control system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54134648A true JPS54134648A (en) | 1979-10-19 |
JPS567231B2 JPS567231B2 (ja) | 1981-02-17 |
Family
ID=25403735
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3635379A Granted JPS54134648A (en) | 1978-04-10 | 1979-03-29 | Duplicator |
Country Status (4)
Country | Link |
---|---|
US (1) | US4183657A (ja) |
JP (1) | JPS54134648A (ja) |
AR (1) | AR241672A1 (ja) |
CA (1) | CA1115329A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56164353A (en) * | 1980-05-22 | 1981-12-17 | Fuji Xerox Co Ltd | Image density detector of electrophotographic copying machine |
JPS6327867A (ja) * | 1986-07-22 | 1988-02-05 | Ricoh Co Ltd | 画像形成装置 |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4341460A (en) * | 1979-09-07 | 1982-07-27 | Tokyo Shibaura Denki Kabushiki Kaisha | Electronic copying machine |
US4326796A (en) * | 1979-12-13 | 1982-04-27 | International Business Machines Corporation | Apparatus and method for measuring and maintaining copy quality in an electrophotographic copier |
US4372672A (en) * | 1980-12-22 | 1983-02-08 | International Business Machines Corporation | Self-triggering quality control sensor |
US4377338A (en) * | 1981-08-07 | 1983-03-22 | International Business Machines Corporation | Method and apparatus for copier quality monitoring and control |
JPS5885448A (ja) * | 1981-11-17 | 1983-05-21 | Ricoh Co Ltd | 記録濃度関連値検出方法 |
JPS58169161A (ja) * | 1982-03-31 | 1983-10-05 | Mita Ind Co Ltd | 静電潜像現像装置 |
US4466731A (en) * | 1982-06-16 | 1984-08-21 | International Business Machines Corporation | Electrophotographic machine with high density toner concentration control |
US4502778A (en) * | 1982-12-27 | 1985-03-05 | International Business Machines Corporation | System for monitoring and controlling electrophotographic toner operation |
US4665496A (en) * | 1983-11-04 | 1987-05-12 | Gretag Aktiengesellschaft | Process and apparatus for the evaluation of the printing quality of a printed product by an offset printing machine |
US4575224A (en) * | 1984-12-05 | 1986-03-11 | Eastman Kodak Company | Electrographic apparatus having an on-line densitometer |
US5182721A (en) * | 1985-12-10 | 1993-01-26 | Heidelberger Druckmaschinen Aktiengesellschaft | Process and apparatus for controlling the inking process in a printing machine |
US4780744A (en) * | 1987-02-18 | 1988-10-25 | Eastman Kodak Company | System for quality monitoring and control in an electrophotographic process |
US4967379A (en) * | 1987-12-16 | 1990-10-30 | Gretag Aktiengesellschaft | Process for the ink control or regulation of a printing machine by comparing desired color to obtainable color data |
DE58901780D1 (de) * | 1988-01-14 | 1992-08-13 | Gretag Ag | Verfahren und vorrichtung zur farbregelung einer druckmaschine. |
US4829336A (en) * | 1988-04-18 | 1989-05-09 | International Business Machines Corporation | Toner concentration control method and apparatus |
US4950905A (en) * | 1989-02-06 | 1990-08-21 | Xerox Corporation | Colored toner optical developability sensor with improved sensing latitude |
US5153745A (en) * | 1990-09-28 | 1992-10-06 | Xerox Corporation | Method and apparatus for compensating for illumination variations of a lamp in a document scanning system following extended lamp inactivity |
US5119132A (en) * | 1990-10-24 | 1992-06-02 | Xerox Corporation | Densitometer and circuitry with improved measuring capabilities of marking particle density on a photoreceptor |
US5150155A (en) * | 1991-04-01 | 1992-09-22 | Eastman Kodak Company | Normalizing aim values and density patch readings for automatic set-up in electrostatographic machines |
US5122835A (en) * | 1991-05-06 | 1992-06-16 | Eastman Kodak Company | Compensating densitometer readings for drifts and dusting |
US5673106A (en) * | 1994-06-17 | 1997-09-30 | Texas Instruments Incorporated | Printing system with self-monitoring and adjustment |
JPH10133437A (ja) * | 1996-10-28 | 1998-05-22 | Fuji Xerox Co Ltd | 画像形成装置 |
CN1699973B (zh) * | 2005-04-28 | 2012-05-09 | 天津先阳科技发展有限公司 | 利用浮动基准实现浓度测量的方法 |
US7890005B2 (en) * | 2009-01-07 | 2011-02-15 | Infoprint Solutions Company, Llc | Adjusting electrostatic charges used in a laser printer |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2956487A (en) * | 1955-03-23 | 1960-10-18 | Rca Corp | Electrostatic printing |
US3348523A (en) * | 1965-04-07 | 1967-10-24 | Xerox Corp | Automatic toner control system |
JPS4829448A (ja) * | 1971-08-06 | 1973-04-19 | ||
JPS4936341A (ja) * | 1972-07-28 | 1974-04-04 | ||
JPS5213935A (en) * | 1975-07-23 | 1977-02-02 | Kazuo Matsuda | Ball game machine |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3094049A (en) * | 1961-02-03 | 1963-06-18 | Xerox Corp | Xerographic developer measuring apparatus |
US3348522A (en) * | 1962-08-28 | 1967-10-24 | Xerox Corp | Automatic toner control system |
US3348521A (en) * | 1962-08-28 | 1967-10-24 | Xerox Corp | Automatic toner control system |
US3354802A (en) * | 1964-07-22 | 1967-11-28 | Savin Business Machines Corp | Toner monitoring system for electrostatic copier |
US3640615A (en) * | 1967-11-14 | 1972-02-08 | Xerox Corp | Xerographic reproducing apparatus |
GB1294351A (en) * | 1969-05-23 | 1972-10-25 | Crosfield Electronics Ltd | Improvements relating to colour printing apparatus |
BE755383A (fr) * | 1969-08-29 | 1971-03-01 | Xerox Corp | Appareil pour le controle d'electrodes de developpement |
US3647293A (en) * | 1970-12-01 | 1972-03-07 | Ibm | Copying system featuring combined developing-cleaning station alternately activated |
JPS5144408B1 (ja) * | 1970-12-26 | 1976-11-29 | ||
US3719169A (en) * | 1971-05-07 | 1973-03-06 | Xerox Corp | Plural electrode development apparatus |
DE2226924A1 (de) * | 1972-06-02 | 1973-12-20 | Kalle Ag | Verfahren und einrichtung zur messung und regelung der tonerkonzentration in elektrophotographischen reproduktionsmaschinen |
NL7210356A (ja) * | 1971-08-06 | 1973-02-08 | ||
US3719165A (en) * | 1971-09-03 | 1973-03-06 | Eastman Kodak Co | Tuner concentration control apparatus |
US3850662A (en) * | 1971-09-10 | 1974-11-26 | Kalle Ag | Electrophotographic developing process and apparatus |
US3700323A (en) * | 1971-12-28 | 1972-10-24 | Eastman Kodak Co | Control circuitry for assisting electrostatographic compensation |
US3724942A (en) * | 1972-04-12 | 1973-04-03 | Ibm | Photoconductor discharge shutter assembly |
US3778146A (en) * | 1972-10-02 | 1973-12-11 | Xerox Corp | Illuminating apparatus |
US3911865A (en) * | 1973-03-30 | 1975-10-14 | Xerox Corp | Toner pickoff apparatus |
US3901593A (en) * | 1973-03-27 | 1975-08-26 | Iwatsu Electric Co Ltd | Copying machines of the variable magnifying power type |
US3801196A (en) * | 1973-04-20 | 1974-04-02 | Xerox Corp | Toner concentration regulating apparatus |
JPS5830585B2 (ja) * | 1973-04-30 | 1983-06-30 | 株式会社リコー | デンシシヤシンフクシヤキ ニ オケル カンコウタイ ノ クリ−ニングホウホウ |
JPS5510070B2 (ja) * | 1973-05-10 | 1980-03-13 | ||
US3926338A (en) * | 1973-11-05 | 1975-12-16 | Xerox Corp | Thermally insensitive particle concentration controller |
US3911861A (en) * | 1973-12-03 | 1975-10-14 | Addressograph Multigraph | Programmable toner concentration control |
US3834807A (en) * | 1974-02-14 | 1974-09-10 | Ibm | Copier with leading edge image control |
US3893414A (en) * | 1974-04-29 | 1975-07-08 | Xerox Corp | Method and apparatus for varying developer bandwidth |
US4026643A (en) * | 1975-08-22 | 1977-05-31 | Xerox Corporation | Apparatus and method for measurement of the ratio of toner particle electrostatic charge to toner particle mass in electrostatographic devices |
US4082445A (en) * | 1975-11-21 | 1978-04-04 | Xerox Corporation | Toner control system for an electrostatic reproduction machine |
-
1978
- 1978-04-10 US US05/894,955 patent/US4183657A/en not_active Expired - Lifetime
-
1979
- 1979-02-08 CA CA321,244A patent/CA1115329A/en not_active Expired
- 1979-03-15 AR AR79275814A patent/AR241672A1/es active
- 1979-03-29 JP JP3635379A patent/JPS54134648A/ja active Granted
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2956487A (en) * | 1955-03-23 | 1960-10-18 | Rca Corp | Electrostatic printing |
US3348523A (en) * | 1965-04-07 | 1967-10-24 | Xerox Corp | Automatic toner control system |
JPS4829448A (ja) * | 1971-08-06 | 1973-04-19 | ||
JPS4936341A (ja) * | 1972-07-28 | 1974-04-04 | ||
JPS5213935A (en) * | 1975-07-23 | 1977-02-02 | Kazuo Matsuda | Ball game machine |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56164353A (en) * | 1980-05-22 | 1981-12-17 | Fuji Xerox Co Ltd | Image density detector of electrophotographic copying machine |
JPS6327867A (ja) * | 1986-07-22 | 1988-02-05 | Ricoh Co Ltd | 画像形成装置 |
Also Published As
Publication number | Publication date |
---|---|
AR241672A1 (es) | 1992-10-30 |
US4183657A (en) | 1980-01-15 |
CA1115329A (en) | 1981-12-29 |
JPS567231B2 (ja) | 1981-02-17 |
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