JPH0473135B2 - - Google Patents
Info
- Publication number
- JPH0473135B2 JPH0473135B2 JP57097304A JP9730482A JPH0473135B2 JP H0473135 B2 JPH0473135 B2 JP H0473135B2 JP 57097304 A JP57097304 A JP 57097304A JP 9730482 A JP9730482 A JP 9730482A JP H0473135 B2 JPH0473135 B2 JP H0473135B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- image
- voltage
- document
- density detection
- 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 - Lifetime
Links
- 238000001514 detection method Methods 0.000 claims description 64
- 230000003287 optical effect Effects 0.000 claims description 26
- 238000009826 distribution Methods 0.000 description 28
- 239000003990 capacitor Substances 0.000 description 16
- 230000035945 sensitivity Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 12
- 238000007493 shaping process Methods 0.000 description 12
- 230000000670 limiting effect Effects 0.000 description 9
- 238000012986 modification Methods 0.000 description 8
- 230000004048 modification Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000013307 optical fiber Substances 0.000 description 6
- 238000012546 transfer Methods 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 108091008695 photoreceptors Proteins 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010422 painting Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000007740 vapor deposition Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- NCGICGYLBXGBGN-UHFFFAOYSA-N 3-morpholin-4-yl-1-oxa-3-azonia-2-azanidacyclopent-3-en-5-imine;hydrochloride Chemical compound Cl.[N-]1OC(=N)C=[N+]1N1CCOCC1 NCGICGYLBXGBGN-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 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
-
- 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
- G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
-
- 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
- G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
- G03G15/043—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for controlling illumination or exposure
- G03G15/0435—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for controlling illumination or exposure by introducing an optical element in the optical path, e.g. a filter
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Control Or Security For Electrophotography (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Control Of Exposure In Printing And Copying (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57097304A JPS58214142A (ja) | 1982-06-07 | 1982-06-07 | 画像形成装置における画像濃度検出装置 |
| DE8282109560T DE3270007D1 (en) | 1981-10-23 | 1982-10-15 | Image density detecting unit for image formation apparatus |
| EP82109560A EP0077988B1 (en) | 1981-10-23 | 1982-10-15 | Image density detecting unit for image formation apparatus |
| US06/435,605 US4544258A (en) | 1981-10-23 | 1982-10-20 | Image density detecting unit for image formation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57097304A JPS58214142A (ja) | 1982-06-07 | 1982-06-07 | 画像形成装置における画像濃度検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58214142A JPS58214142A (ja) | 1983-12-13 |
| JPH0473135B2 true JPH0473135B2 (enExample) | 1992-11-20 |
Family
ID=14188742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57097304A Granted JPS58214142A (ja) | 1981-10-23 | 1982-06-07 | 画像形成装置における画像濃度検出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58214142A (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60120345A (ja) * | 1983-12-05 | 1985-06-27 | Canon Inc | 画像形成装置 |
| JPS60198531A (ja) * | 1984-03-22 | 1985-10-08 | Sharp Corp | 複写機の自動露光装置 |
| JPS60244942A (ja) * | 1984-05-21 | 1985-12-04 | Sharp Corp | 自動露光調整装置 |
| JPS6385620A (ja) * | 1986-09-30 | 1988-04-16 | Toshiba Corp | 原稿画像濃度検出装置 |
| JPS63100745U (enExample) * | 1986-12-18 | 1988-06-30 |
-
1982
- 1982-06-07 JP JP57097304A patent/JPS58214142A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58214142A (ja) | 1983-12-13 |
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