JPS63153250U - - Google Patents
Info
- Publication number
- JPS63153250U JPS63153250U JP1987044617U JP4461787U JPS63153250U JP S63153250 U JPS63153250 U JP S63153250U JP 1987044617 U JP1987044617 U JP 1987044617U JP 4461787 U JP4461787 U JP 4461787U JP S63153250 U JPS63153250 U JP S63153250U
- Authority
- JP
- Japan
- Prior art keywords
- document
- optical system
- size
- electrophotographic apparatus
- lens
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims 3
- 108091008695 photoreceptors Proteins 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
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
- G03G15/04—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)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Holders For Sensitive Materials And Originals (AREA)
- Paper Feeding For Electrophotography (AREA)
- Control Or Security For Electrophotography (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987044617U JPS63153250U (US20100223739A1-20100909-C00005.png) | 1987-03-26 | 1987-03-26 | |
US07/168,397 US4873550A (en) | 1987-03-26 | 1988-03-15 | Electrophotographic copier including means for sensing the size of an original document |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987044617U JPS63153250U (US20100223739A1-20100909-C00005.png) | 1987-03-26 | 1987-03-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63153250U true JPS63153250U (US20100223739A1-20100909-C00005.png) | 1988-10-07 |
Family
ID=12696397
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987044617U Pending JPS63153250U (US20100223739A1-20100909-C00005.png) | 1987-03-26 | 1987-03-26 |
Country Status (2)
Country | Link |
---|---|
US (1) | US4873550A (US20100223739A1-20100909-C00005.png) |
JP (1) | JPS63153250U (US20100223739A1-20100909-C00005.png) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5058038A (en) * | 1989-12-13 | 1991-10-15 | Ricoh Corporation | Method to connect wide size scanner to laser printer engine for copying with size reduction |
US5049936A (en) * | 1990-01-02 | 1991-09-17 | Eastman Kodak Company | Electrophotographic copier/duplicator having dual imaging apparatus |
US5258812A (en) * | 1992-07-27 | 1993-11-02 | Eastman Kodak Company | Method and mechanism for document size determination using an advanceable document background member |
JP3370370B2 (ja) * | 1993-02-15 | 2003-01-27 | 株式会社リコー | 光走査型画像読取装置 |
JP4483227B2 (ja) * | 2003-08-22 | 2010-06-16 | 富士ゼロックス株式会社 | 画像形成装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1525218A (en) * | 1976-09-07 | 1978-09-20 | Ibm | Electrophotographic copying machine |
US4585332A (en) * | 1984-08-27 | 1986-04-29 | Xerox Corporation | Electrophotographic printing machine with means for sensing size of document |
DE3622972A1 (de) * | 1985-07-11 | 1987-01-22 | Toshiba Kawasaki Kk | Abbildungsgeraet |
US4782361A (en) * | 1987-03-11 | 1988-11-01 | Xerox Corporation | Imaging system with a plurality of document registration positions |
JPH0670430A (ja) * | 1992-08-20 | 1994-03-11 | Fuji Electric Co Ltd | ガス絶縁機器の絶縁スペーサ |
-
1987
- 1987-03-26 JP JP1987044617U patent/JPS63153250U/ja active Pending
-
1988
- 1988-03-15 US US07/168,397 patent/US4873550A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4873550A (en) | 1989-10-10 |