AU2001281374A1 - Image-forming machine with a pulse densitometer - Google Patents
Image-forming machine with a pulse densitometerInfo
- Publication number
- AU2001281374A1 AU2001281374A1 AU2001281374A AU8137401A AU2001281374A1 AU 2001281374 A1 AU2001281374 A1 AU 2001281374A1 AU 2001281374 A AU2001281374 A AU 2001281374A AU 8137401 A AU8137401 A AU 8137401A AU 2001281374 A1 AU2001281374 A1 AU 2001281374A1
- Authority
- AU
- Australia
- Prior art keywords
- image
- forming machine
- densitometer
- pulse
- pulse densitometer
- 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.)
- Abandoned
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
- G03G15/5041—Detecting a toner image, e.g. density, toner coverage, using a test patch
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/59—Transmissivity
- G01N21/5907—Densitometers
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Control Or Security For Electrophotography (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US22548600P | 2000-08-15 | 2000-08-15 | |
US60225486 | 2000-08-15 | ||
US09737320 | 2000-12-14 | ||
US09/737,320 US6427057B1 (en) | 2000-08-15 | 2000-12-14 | Image-forming machine with a pulse densitometer |
PCT/US2001/041508 WO2002014957A1 (en) | 2000-08-15 | 2001-07-31 | Image-forming machine with a pulse densitometer |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2001281374A1 true AU2001281374A1 (en) | 2002-02-25 |
Family
ID=26919640
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2001281374A Abandoned AU2001281374A1 (en) | 2000-08-15 | 2001-07-31 | Image-forming machine with a pulse densitometer |
Country Status (7)
Country | Link |
---|---|
US (1) | US6427057B1 (en) |
EP (1) | EP1182515A3 (en) |
JP (1) | JP4847669B2 (en) |
AU (1) | AU2001281374A1 (en) |
CA (1) | CA2386136C (en) |
DE (1) | DE10136421A1 (en) |
WO (1) | WO2002014957A1 (en) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6791485B1 (en) * | 2000-04-03 | 2004-09-14 | Allen Joseph Rushing | Digital densitometer using light-to-frequency converter |
US6671052B1 (en) * | 2001-06-04 | 2003-12-30 | Allen Joseph Rushing | Multi-channel densitometer |
EP1429195B1 (en) | 2002-10-01 | 2013-02-13 | Eastman Kodak Company | Image forming apparatus and method for switching to printing with MICR toner |
US7209244B2 (en) | 2003-03-31 | 2007-04-24 | Eastman Kodak Company | Post RIP image rendering in an electrographic printer to minimize screen frequency sensitivity |
US8223393B2 (en) | 2003-03-31 | 2012-07-17 | Eastman Kodak Company | Post rip image rendering for microprinting |
US6975411B2 (en) | 2003-03-31 | 2005-12-13 | Eastman Kodak Company | Post rip image rendering in an electrographic printer using density patch feedback |
US7602510B2 (en) | 2003-03-31 | 2009-10-13 | Eastman Kodak Company | Post RIP image rendering in an electrographic printer to reduce toner consumption |
US7330288B2 (en) | 2003-03-31 | 2008-02-12 | Eastman Kodak Company | Post RIP image rendering in a MICR electrographic printer to improve readability |
US7054014B2 (en) | 2003-03-31 | 2006-05-30 | Eastman Kodak Company | Post RIP image rendering in an electrographic printer to estimate toner consumption |
US20050142468A1 (en) | 2003-12-24 | 2005-06-30 | Eastman Kodak Company | Printing system, process, and product with a variable pantograph |
US7242884B2 (en) | 2004-03-24 | 2007-07-10 | Eastman Kodak Company | Apparatus and process for fuser control |
US7260338B2 (en) | 2004-03-24 | 2007-08-21 | Eastman Kodak Company | Apparatus and process for fuser control |
US7218875B2 (en) | 2004-03-24 | 2007-05-15 | Eastman Kodak Company | Apparatus and process for fuser control |
US7242875B2 (en) | 2004-04-30 | 2007-07-10 | Eastman Kodak Company | Indicator of properly cured ink for electrophotographic equipment |
US7343108B2 (en) | 2004-05-05 | 2008-03-11 | Eastman Kodak Company | Apparatus and process for altering timing in an electrographic printer |
US7551861B2 (en) | 2004-05-05 | 2009-06-23 | Eastman Kodak Company | Method for performing quality checks on a print engine film loop |
US7602529B2 (en) | 2004-09-07 | 2009-10-13 | Eastman Kodak Company | Method and system for controlling printer text/line art and halftone independently |
US7508545B2 (en) | 2004-09-27 | 2009-03-24 | Eastman Kodak Company | Color contour detection and correction |
US7602530B2 (en) | 2005-01-26 | 2009-10-13 | Eastman Kodak Company | Creating high spatial frequency halftone screens with increased numbers of printable density levels |
CN109596538B (en) * | 2017-10-03 | 2023-08-25 | 株式会社堀场制作所 | Analysis device and analysis method |
Family Cites Families (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3756725A (en) | 1970-10-12 | 1973-09-04 | Harris Intertype Corp | Measurement and control of ink density |
US3876106A (en) * | 1973-10-01 | 1975-04-08 | Eastman Kodak Co | Toner concentration monitoring apparatus utilizing programmable digital computer |
US4047819A (en) | 1975-04-10 | 1977-09-13 | Smith Kline Instruments, Inc. | Apparatus for measuring optical density with stray light compensation |
US4003600A (en) | 1975-10-01 | 1977-01-18 | Dieter Horn | Upholstered furniture |
US4194838A (en) | 1977-02-22 | 1980-03-25 | Bey Michael P | Digital color densitometer and exposure meter |
JPS6016567B2 (en) | 1978-03-07 | 1985-04-26 | ミノルタ株式会社 | optical measuring device |
US4229107A (en) | 1978-06-08 | 1980-10-21 | Graphic Arts Manufacturing Company | Optical densitometer |
US4546060A (en) | 1982-11-08 | 1985-10-08 | Eastman Kodak Company | Two-component, dry electrographic developer compositions containing hard magnetic carrier particles and method for using the same |
US4473029A (en) | 1983-07-01 | 1984-09-25 | Eastman Kodak Company | Electrographic magnetic brush development method, apparatus and system |
US4550254A (en) | 1984-01-16 | 1985-10-29 | Xerox Corporation | Low cost infrared reflectance densitometer signal processor chip |
US4673807A (en) | 1984-10-12 | 1987-06-16 | Dai Nippon Insatso Kabushiki Kaisha | Automatic range control method for an optical density/dot percentage measuring device |
EP0223880A1 (en) * | 1985-10-30 | 1987-06-03 | Agfa-Gevaert N.V. | Optoelectronic circuit for generating an image contrast signal |
JP2677620B2 (en) * | 1988-08-05 | 1997-11-17 | 株式会社東芝 | Image forming device |
US5013156A (en) * | 1989-03-24 | 1991-05-07 | Imtec, Inc. | Optical density measurement apparatus in the context of labeling and other devices |
US4978974A (en) * | 1989-08-30 | 1990-12-18 | Polaroid Corporation | Image recorder with linear laser diode array |
US5173750A (en) | 1990-02-06 | 1992-12-22 | Eastman Kodak Company | Reflection densitometer |
JPH0418570A (en) * | 1990-04-27 | 1992-01-22 | Ricoh Co Ltd | Image forming device |
US5119132A (en) | 1990-10-24 | 1992-06-02 | Xerox Corporation | Densitometer and circuitry with improved measuring capabilities of marking particle density on a photoreceptor |
US5117119A (en) | 1991-03-13 | 1992-05-26 | Minnesota Mining And Manufacturing Company | Auto-ranging film densitometer |
JPH0545721U (en) * | 1991-11-18 | 1993-06-18 | 株式会社リコー | Image forming device |
US5351107A (en) * | 1992-09-24 | 1994-09-27 | Kabushiki Kaisha Toshiba | Image forming apparatus and method having image density correcting function |
US5319696A (en) | 1992-10-05 | 1994-06-07 | General Electric Company | X-ray dose reduction in pulsed systems by adaptive X-ray pulse adjustment |
US5410388A (en) * | 1993-05-17 | 1995-04-25 | Xerox Corporation | Automatic compensation for toner concentration drift due to developer aging |
US5386276A (en) * | 1993-07-12 | 1995-01-31 | Xerox Corporation | Detecting and correcting for low developed mass per unit area |
US5519497A (en) | 1994-11-25 | 1996-05-21 | Xerox Corporation | Control develop mass in a color system |
JPH08152729A (en) * | 1994-11-28 | 1996-06-11 | Mitsubishi Paper Mills Ltd | Electrophotographic photoreceptor |
JPH08272274A (en) * | 1995-03-29 | 1996-10-18 | Konica Corp | Electrophotographic device |
US5649266A (en) | 1996-04-18 | 1997-07-15 | Eastman Kodak Company | In-station calibration of toner concentration monitor and replenisher drive |
JP2856149B2 (en) * | 1996-05-15 | 1999-02-10 | 日本電気株式会社 | Electrophotographic printer |
JP3706684B2 (en) * | 1996-06-28 | 2005-10-12 | キヤノン株式会社 | Image forming apparatus |
JPH11272038A (en) * | 1998-03-20 | 1999-10-08 | Ricoh Co Ltd | Image forming device |
US5903800A (en) * | 1998-06-04 | 1999-05-11 | Eastman Kodak Company | Electrostatographic reproduction apparatus and method with improved densitometer |
US5966573A (en) * | 1998-10-08 | 1999-10-12 | Xerox Corporation | Seamed flexible electrostatographic imaging belt having a permanent localized solid attribute |
JP2000266672A (en) * | 1999-03-15 | 2000-09-29 | Fuji Xerox Co Ltd | Optical measuring apparatus, optical measuring system, and image forming apparatus |
US6229972B1 (en) * | 2000-04-03 | 2001-05-08 | Allen J. Rushing | Digital densitometer with calibration and statistics |
-
2000
- 2000-12-14 US US09/737,320 patent/US6427057B1/en not_active Expired - Fee Related
-
2001
- 2001-07-26 EP EP01117672A patent/EP1182515A3/en not_active Withdrawn
- 2001-07-26 DE DE10136421A patent/DE10136421A1/en not_active Withdrawn
- 2001-07-31 WO PCT/US2001/041508 patent/WO2002014957A1/en active Application Filing
- 2001-07-31 AU AU2001281374A patent/AU2001281374A1/en not_active Abandoned
- 2001-07-31 CA CA002386136A patent/CA2386136C/en not_active Expired - Fee Related
- 2001-07-31 JP JP2002520026A patent/JP4847669B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20020076230A1 (en) | 2002-06-20 |
JP2004506941A (en) | 2004-03-04 |
US6427057B1 (en) | 2002-07-30 |
DE10136421A1 (en) | 2002-05-02 |
JP4847669B2 (en) | 2011-12-28 |
WO2002014957A1 (en) | 2002-02-21 |
EP1182515A3 (en) | 2004-12-08 |
CA2386136C (en) | 2005-09-20 |
EP1182515A2 (en) | 2002-02-27 |
CA2386136A1 (en) | 2002-02-21 |
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