JPS57500353A - - Google Patents

Info

Publication number
JPS57500353A
JPS57500353A JP56501499A JP50149981A JPS57500353A JP S57500353 A JPS57500353 A JP S57500353A JP 56501499 A JP56501499 A JP 56501499A JP 50149981 A JP50149981 A JP 50149981A JP S57500353 A JPS57500353 A JP S57500353A
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
Application number
JP56501499A
Other versions
JPH0352628B2 (ja
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPS57500353A publication Critical patent/JPS57500353A/ja
Publication of JPH0352628B2 publication Critical patent/JPH0352628B2/ja
Expired legal-status Critical Current

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
JP56501499A 1980-04-04 1981-03-12 Expired JPH0352628B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/137,149 US4350435A (en) 1980-04-04 1980-04-04 Copy contrast and density control

Publications (2)

Publication Number Publication Date
JPS57500353A true JPS57500353A (ja) 1982-02-25
JPH0352628B2 JPH0352628B2 (ja) 1991-08-12

Family

ID=22476022

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56501499A Expired JPH0352628B2 (ja) 1980-04-04 1981-03-12

Country Status (5)

Country Link
US (1) US4350435A (ja)
EP (1) EP0048738B1 (ja)
JP (1) JPH0352628B2 (ja)
CA (1) CA1153790A (ja)
WO (1) WO1981002936A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60263172A (ja) * 1984-06-11 1985-12-26 Sharp Corp 複写機の画像補正方法
JPH034253A (ja) * 1989-05-31 1991-01-10 Canon Inc 画像形成装置
JPH04298767A (ja) * 1991-03-28 1992-10-22 Mita Ind Co Ltd 複写機

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4294536A (en) * 1980-05-30 1981-10-13 Eastman Kodak Company Automatic control of copier copy contrast and density for production runs
DE3128801A1 (de) * 1980-07-22 1982-04-15 Canon K.K., Tokyo "bilderzeugungsgeraet"
US4508446A (en) * 1982-02-09 1985-04-02 Ricoh Company, Ltd. Reproduction process control method
US4451137A (en) * 1982-05-27 1984-05-29 Eastman Kodak Company Adjusting copier copy contrast and density during production runs
USRE32611E (en) * 1982-05-27 1988-02-23 Eastman Kodak Company Adjusting copier copy contrast and density during production runs
US5191361A (en) * 1983-03-08 1993-03-02 Canon Kabushiki Kaisha Image reproducing system
DE3408336A1 (de) * 1983-03-08 1984-09-13 Canon K.K., Tokio/Tokyo Bildreproduktionssystem
JPH0619621B2 (ja) * 1983-12-20 1994-03-16 株式会社東芝 像形成装置
US4647184A (en) * 1985-03-18 1987-03-03 Xerox Corporation Automatic setup apparatus for an electrophotographic printing machine
US4806980A (en) * 1986-11-06 1989-02-21 Eastman Kodak Company Dynamic feedforward process control for electrographic machines
US4816863A (en) * 1986-11-25 1989-03-28 E. I. Du Pont De Nemours And Company Exposure control system for continuous tone electrophotographic film
US4746940A (en) * 1986-11-25 1988-05-24 E. I. Du Pont De Nemours And Company Line scanner to reduce banding
US5298944A (en) * 1989-06-30 1994-03-29 Ricoh Company, Ltd. Testing image density to control toner concentration and dynamic range in a digital copier
US4949135A (en) * 1989-08-17 1990-08-14 Eastman Kodak Company Visual based process control apparatus which is based on a near uniform human visual response space
US5075725A (en) * 1991-04-01 1991-12-24 Eastman Kodak Company Automatic set-up for electrostatographic machines
US5305057A (en) * 1991-07-05 1994-04-19 Minolta Camera Kabushiki Kaisha Image forming apparatus having correction means for modifying image density signals according to a gradation correction table
JPH07325440A (ja) * 1994-05-31 1995-12-12 Mita Ind Co Ltd 画像形成装置
JPH08320602A (ja) * 1995-05-24 1996-12-03 Toshiba Corp 画像形成装置
US5678131A (en) * 1995-08-22 1997-10-14 Eastman Kodak Company Apparatus and method for regulating toning contrast and extending developer life by long-term adjustment of toner concentration
US6385346B1 (en) 1998-08-04 2002-05-07 Sharp Laboratories Of America, Inc. Method of display and control of adjustable parameters for a digital scanner device
JP2015011206A (ja) * 2013-06-28 2015-01-19 株式会社沖データ 画像形成装置及び制御プログラム

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5429652A (en) * 1977-08-10 1979-03-05 Ricoh Co Ltd Controller of electronic type copying machine
JPS5433037A (en) * 1977-08-18 1979-03-10 Ricoh Co Ltd Electro photographic device
JPS5472052A (en) * 1977-11-02 1979-06-09 Ibm Method of energizing electricity
JPS5497432A (en) * 1978-01-18 1979-08-01 Ricoh Co Ltd Image density control method
JPS5522756A (en) * 1978-08-07 1980-02-18 Ricoh Co Ltd Digital copying machine

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2573881A (en) * 1948-11-02 1951-11-06 Battelle Development Corp Method and apparatus for developing electrostatic images with electroscopic powder
NL7110178A (ja) * 1970-07-25 1972-01-27
US3788739A (en) * 1972-06-21 1974-01-29 Xerox Corp Image compensation method and apparatus for electrophotographic devices
NL7316541A (ja) * 1972-12-05 1974-06-07
US3914047A (en) * 1973-10-01 1975-10-21 Eastman Kodak Co Synchronizing control apparatus for electrophotographic apparatus utilizing digital computer
JPS5441502B2 (ja) * 1974-10-21 1979-12-08
CA1091756A (en) * 1975-10-14 1980-12-16 Eastman Kodak Company Electrophotographic apparatus having compensation for changes in sensitometric properties of photoconductors
GB1559341A (en) * 1976-12-31 1980-01-16 Xerox Corp Method of controlling an electrostatographic copying machine
JPS5492742A (en) * 1977-12-29 1979-07-23 Ricoh Co Ltd Control method for copier image quality
US4162848A (en) * 1978-07-12 1979-07-31 Eastman Kodak Company Apparatus for selectively copying from two different documents
US4279942A (en) * 1980-03-03 1981-07-21 Eastman Kodak Company Magnetic field adjustment for magnetic brushes

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5429652A (en) * 1977-08-10 1979-03-05 Ricoh Co Ltd Controller of electronic type copying machine
JPS5433037A (en) * 1977-08-18 1979-03-10 Ricoh Co Ltd Electro photographic device
JPS5472052A (en) * 1977-11-02 1979-06-09 Ibm Method of energizing electricity
JPS5497432A (en) * 1978-01-18 1979-08-01 Ricoh Co Ltd Image density control method
JPS5522756A (en) * 1978-08-07 1980-02-18 Ricoh Co Ltd Digital copying machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60263172A (ja) * 1984-06-11 1985-12-26 Sharp Corp 複写機の画像補正方法
JPH034253A (ja) * 1989-05-31 1991-01-10 Canon Inc 画像形成装置
JPH04298767A (ja) * 1991-03-28 1992-10-22 Mita Ind Co Ltd 複写機

Also Published As

Publication number Publication date
EP0048738A4 (en) 1982-08-05
WO1981002936A1 (en) 1981-10-15
US4350435A (en) 1982-09-21
CA1153790A (en) 1983-09-13
JPH0352628B2 (ja) 1991-08-12
EP0048738B1 (en) 1984-12-19
EP0048738A1 (en) 1982-04-07

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