DE3679095D1 - AUTOMATIC ADJUSTMENT OF ELECTROPHOTOGRAPHIC COPYERS. - Google Patents
AUTOMATIC ADJUSTMENT OF ELECTROPHOTOGRAPHIC COPYERS.Info
- Publication number
- DE3679095D1 DE3679095D1 DE8686301991T DE3679095T DE3679095D1 DE 3679095 D1 DE3679095 D1 DE 3679095D1 DE 8686301991 T DE8686301991 T DE 8686301991T DE 3679095 T DE3679095 T DE 3679095T DE 3679095 D1 DE3679095 D1 DE 3679095D1
- Authority
- DE
- Germany
- Prior art keywords
- copyers
- electrophotographic
- automatic adjustment
- adjustment
- automatic
- 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 - Fee Related
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
- 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
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Or Security For Electrophotography (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US71337185A | 1985-03-18 | 1985-03-18 | |
US06/713,530 US4618248A (en) | 1985-03-18 | 1985-03-18 | Test patch generation utilizing system scan optics |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3679095D1 true DE3679095D1 (en) | 1991-06-13 |
Family
ID=27108989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686301991T Expired - Fee Related DE3679095D1 (en) | 1985-03-18 | 1986-03-18 | AUTOMATIC ADJUSTMENT OF ELECTROPHOTOGRAPHIC COPYERS. |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0195655B1 (en) |
JP (1) | JPS61213865A (en) |
DE (1) | DE3679095D1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2546261B2 (en) * | 1987-03-13 | 1996-10-23 | ミノルタ株式会社 | Copier |
JP2862545B2 (en) * | 1988-10-31 | 1999-03-03 | 株式会社東芝 | Image forming device |
JPH02296266A (en) * | 1989-05-10 | 1990-12-06 | Canon Inc | Image forming device |
US5227270A (en) * | 1991-09-05 | 1993-07-13 | Xerox Corporation | Esv readings of toner test patches for adjusting ird readings of developed test patches |
US5138378A (en) * | 1991-09-05 | 1992-08-11 | Xerox Corporation | Electrostatic target recalculation in a xerographic imaging apparatus |
JPH06102735A (en) * | 1992-09-24 | 1994-04-15 | Toshiba Corp | Image forming device |
US5351107A (en) * | 1992-09-24 | 1994-09-27 | Kabushiki Kaisha Toshiba | Image forming apparatus and method having image density correcting function |
US5477308A (en) * | 1992-11-27 | 1995-12-19 | Sharp Kabushiki Kaisha | Image forming apparatus having an image-quality correction function |
US5491540A (en) * | 1994-12-22 | 1996-02-13 | Hewlett-Packard Company | Replacement part with integral memory for usage and calibration data |
US5699091A (en) * | 1994-12-22 | 1997-12-16 | Hewlett-Packard Company | Replaceable part with integral memory for usage, calibration and other data |
US6201936B1 (en) * | 1999-12-03 | 2001-03-13 | Xerox Corporation | Method and apparatus for adaptive black solid area estimation in a xerographic apparatus |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6040024B2 (en) * | 1976-09-17 | 1985-09-09 | キヤノン株式会社 | Electrostatic latent image stabilization method |
DE2807317C3 (en) * | 1977-02-23 | 1982-02-11 | Ricoh Co., Ltd., Tokyo | Procedure for maintaining optimal conditions in electrophotography |
JPS5589859A (en) * | 1978-12-28 | 1980-07-07 | Canon Inc | Method and apparatus for forming stable image |
US4348099A (en) * | 1980-04-07 | 1982-09-07 | Xerox Corporation | Closed loop control of reproduction machine |
JPS56161554A (en) * | 1980-05-19 | 1981-12-11 | Fuji Xerox Co Ltd | Control device for electronic copying machine |
JPS5749955A (en) * | 1980-09-11 | 1982-03-24 | Canon Inc | Electrophotographic device |
JPS57204061A (en) * | 1981-06-11 | 1982-12-14 | Canon Inc | Picture recording controller |
JPS58139158A (en) * | 1982-02-12 | 1983-08-18 | Ricoh Co Ltd | Record density control method |
JPS5987465A (en) * | 1982-11-11 | 1984-05-21 | Ricoh Co Ltd | Method for controlling recording density |
-
1986
- 1986-03-17 JP JP61059084A patent/JPS61213865A/en active Pending
- 1986-03-18 EP EP19860301991 patent/EP0195655B1/en not_active Expired - Lifetime
- 1986-03-18 DE DE8686301991T patent/DE3679095D1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0195655A2 (en) | 1986-09-24 |
JPS61213865A (en) | 1986-09-22 |
EP0195655A3 (en) | 1987-04-01 |
EP0195655B1 (en) | 1991-05-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |