JPH04156568A - 原稿濃度読取方法 - Google Patents

原稿濃度読取方法

Info

Publication number: JPH04156568A
Authority: JP; Japan
Prior art keywords: document; density; original; turned; read
Prior art date: 1990-10-19
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.): Pending

Application number

JP2282742A

Other languages

English (en)

Japanese (ja)

Inventor

Akihiro Takada

晃宏高田

Akihiro Kondo

昭浩近藤

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Kyocera Mita Industrial Co Ltd

Original Assignee

Mita Industrial Co Ltd

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.)

1990-10-19

Filing date

1990-10-19

Publication date

1992-05-29

1990-10-19 Application filed by Mita Industrial Co Ltd filed Critical Mita Industrial Co Ltd

1990-10-19 Priority to JP2282742A priority Critical patent/JPH04156568A/ja

1991-10-10 Priority to EP19910402706 priority patent/EP0481852A3/en

1992-05-29 Publication of JPH04156568A publication Critical patent/JPH04156568A/ja

Status Pending legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims description 15
238000003780 insertion Methods 0.000 abstract description 5
230000037431 insertion Effects 0.000 abstract description 5
238000001514 detection method Methods 0.000 abstract description 3
238000010586 diagram Methods 0.000 description 11
238000003384 imaging method Methods 0.000 description 6
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
238000004140 cleaning Methods 0.000 description 2
239000011521 glass Substances 0.000 description 2
238000000926 separation method Methods 0.000 description 2
241000251468 Actinopterygii Species 0.000 description 1
241000282376 Panthera tigris Species 0.000 description 1
238000010276 construction Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
238000009434 installation Methods 0.000 description 1
239000000463 material Substances 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
108091008695 photoreceptors Proteins 0.000 description 1
230000003068 static effect Effects 0.000 description 1

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
- G03G15/5025—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 original characteristics, e.g. contrast, density

Landscapes

Engineering & Computer Science (AREA)
Microelectronics & Electronic Packaging (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Exposure Or Original Feeding In Electrophotography (AREA)
Control Or Security For Electrophotography (AREA)
Control Of Exposure In Printing And Copying (AREA)

JP2282742A 1990-10-19 1990-10-19 原稿濃度読取方法 Pending JPH04156568A (ja)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
JP2282742A JPH04156568A (ja)	1990-10-19	1990-10-19	原稿濃度読取方法
EP19910402706 EP0481852A3 (en)	1990-10-19	1991-10-10	Electrophotographic copying machine and method for detecting density of original image thereof

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP2282742A JPH04156568A (ja)	1990-10-19	1990-10-19	原稿濃度読取方法

Publications (1)

Publication Number	Publication Date
JPH04156568A true JPH04156568A (ja)	1992-05-29

Family

ID=17656463

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP2282742A Pending JPH04156568A (ja)	1990-10-19	1990-10-19	原稿濃度読取方法

Country Status (2)

Country	Link
EP (1)	EP0481852A3 (de)
JP (1)	JPH04156568A (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5436725A (en) *	1977-08-26	1979-03-17	Ricoh Co Ltd	Zerographic copying method
JPS6019164A (ja) *	1983-07-13	1985-01-31	Canon Inc	画像処理装置
JPS62139543A (ja) *	1985-12-13	1987-06-23	Minolta Camera Co Ltd	複写機

1990
- 1990-10-19 JP JP2282742A patent/JPH04156568A/ja active Pending
1991
- 1991-10-10 EP EP19910402706 patent/EP0481852A3/en not_active Withdrawn

Also Published As

Publication number	Publication date
EP0481852A2 (de)	1992-04-22
EP0481852A3 (en)	1993-03-10

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