JPS643246B2 - - Google Patents
Info
- Publication number
- JPS643246B2 JPS643246B2 JP54114964A JP11496479A JPS643246B2 JP S643246 B2 JPS643246 B2 JP S643246B2 JP 54114964 A JP54114964 A JP 54114964A JP 11496479 A JP11496479 A JP 11496479A JP S643246 B2 JPS643246 B2 JP S643246B2
- Authority
- JP
- Japan
- Prior art keywords
- document
- cover
- original
- density
- document cover
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 10
- 108091008695 photoreceptors Proteins 0.000 claims description 10
- 230000003595 spectral effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 6
- 230000035945 sensitivity Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 2
- 239000011669 selenium Substances 0.000 description 2
- 229910052711 selenium Inorganic materials 0.000 description 2
- GUYIZQZWDFCUTA-UHFFFAOYSA-N (pentadecachlorophthalocyaninato(2-))-copper Chemical compound [Cu+2].N1=C([N-]2)C3=C(Cl)C(Cl)=C(Cl)C(Cl)=C3C2=NC(C2=C(Cl)C(Cl)=C(Cl)C(Cl)=C22)=NC2=NC(C2=C(Cl)C(Cl)=C(Cl)C(Cl)=C22)=NC2=NC2=C(C(Cl)=C(C(Cl)=C3)Cl)C3=C1[N-]2 GUYIZQZWDFCUTA-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- IRERQBUNZFJFGC-UHFFFAOYSA-L azure blue Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[S-]S[S-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] IRERQBUNZFJFGC-UHFFFAOYSA-L 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- WYKYKTKDBLFHCY-UHFFFAOYSA-N chloridazon Chemical compound O=C1C(Cl)=C(N)C=NN1C1=CC=CC=C1 WYKYKTKDBLFHCY-UHFFFAOYSA-N 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- VVOLVFOSOPJKED-UHFFFAOYSA-N copper phthalocyanine Chemical compound [Cu].N=1C2=NC(C3=CC=CC=C33)=NC3=NC(C3=CC=CC=C33)=NC3=NC(C3=CC=CC=C33)=NC3=NC=1C1=CC=CC=C12 VVOLVFOSOPJKED-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001739 density measurement Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
Landscapes
- Control Or Security For Electrophotography (AREA)
- Holders For Sensitive Materials And Originals (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Control Of Exposure In Printing And Copying (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11496479A JPS5639554A (en) | 1979-09-07 | 1979-09-07 | Original density measuring method |
| US06/183,408 US4341460A (en) | 1979-09-07 | 1980-09-03 | Electronic copying machine |
| DE3033524A DE3033524C2 (de) | 1979-09-07 | 1980-09-05 | Elektrostatisches Kopiergerät |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11496479A JPS5639554A (en) | 1979-09-07 | 1979-09-07 | Original density measuring method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5639554A JPS5639554A (en) | 1981-04-15 |
| JPS643246B2 true JPS643246B2 (ro) | 1989-01-20 |
Family
ID=14650984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11496479A Granted JPS5639554A (en) | 1979-09-07 | 1979-09-07 | Original density measuring method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5639554A (ro) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5942551A (ja) * | 1982-09-03 | 1984-03-09 | Canon Inc | 画像形成装置 |
| JPS59123835A (ja) * | 1982-12-29 | 1984-07-17 | Canon Inc | 複写装置 |
| JPH0610722B2 (ja) * | 1983-02-03 | 1994-02-09 | キヤノン株式会社 | リーダプリンター |
| JPS59211032A (ja) * | 1983-05-16 | 1984-11-29 | Konishiroku Photo Ind Co Ltd | 複写機の原稿濃度検出方法及び装置 |
| JPS61148070U (ro) * | 1985-03-06 | 1986-09-12 | ||
| JPH0711669B2 (ja) * | 1985-07-05 | 1995-02-08 | 富士写真フイルム株式会社 | 写真焼付装置 |
| US4858879A (en) * | 1987-07-07 | 1989-08-22 | Honda Giken Kogyo Kabushiki Kaisha | Mount |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1436899A (en) * | 1973-05-23 | 1976-05-26 | Xerox Corp | Document copying apparatus |
| JPS5622424A (en) * | 1979-08-01 | 1981-03-03 | Konishiroku Photo Ind Co Ltd | Original size detecting unit of copying machine |
-
1979
- 1979-09-07 JP JP11496479A patent/JPS5639554A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5639554A (en) | 1981-04-15 |
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