CA1107804A - Variable magnification reproducing machine - Google Patents
Variable magnification reproducing machineInfo
- Publication number
- CA1107804A CA1107804A CA263,347A CA263347A CA1107804A CA 1107804 A CA1107804 A CA 1107804A CA 263347 A CA263347 A CA 263347A CA 1107804 A CA1107804 A CA 1107804A
- Authority
- CA
- Canada
- Prior art keywords
- document
- viewing
- copy image
- selectively
- sensing
- 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
- 238000003384 imaging method Methods 0.000 claims description 16
- 230000000977 initiatory effect Effects 0.000 claims description 15
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 230000006872 improvement Effects 0.000 claims description 4
- 230000000875 corresponding effect Effects 0.000 claims 8
- 230000003750 conditioning effect Effects 0.000 claims 2
- 230000003287 optical effect Effects 0.000 description 40
- 230000009467 reduction Effects 0.000 description 26
- 230000008859 change Effects 0.000 description 8
- 238000013459 approach Methods 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 230000001934 delay Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 101150110946 gatC gene Proteins 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 108091008695 photoreceptors Proteins 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000013519 translation 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
- G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
- G03G15/28—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which projection is obtained by line scanning
- G03G15/30—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which projection is obtained by line scanning in which projection is formed on a drum
-
- 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
- G03G15/041—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 variable magnification
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Control Or Security For Electrophotography (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/627,433 US4033692A (en) | 1975-10-30 | 1975-10-30 | Multi-mode reproducing machine |
| US627,433 | 1984-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1107804A true CA1107804A (en) | 1981-08-25 |
Family
ID=24514620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA263,347A Expired CA1107804A (en) | 1975-10-30 | 1976-10-14 | Variable magnification reproducing machine |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4033692A (Direct) |
| JP (1) | JPS5256938A (Direct) |
| AU (1) | AU503275B2 (Direct) |
| BR (1) | BR7607268A (Direct) |
| CA (1) | CA1107804A (Direct) |
| DE (1) | DE2646249A1 (Direct) |
| FR (1) | FR2330045A1 (Direct) |
| GB (1) | GB1548241A (Direct) |
| NL (1) | NL7612011A (Direct) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1525218A (en) * | 1976-09-07 | 1978-09-20 | Ibm | Electrophotographic copying machine |
| GB1598121A (en) * | 1977-03-18 | 1981-09-16 | Ricoh Kk | Sheet processing apparatus |
| US4264188A (en) * | 1978-05-31 | 1981-04-28 | Canon Kabushiki Kaisha | Control for multiple-mode copying apparatus |
| US5146276A (en) * | 1978-11-09 | 1992-09-08 | Spectrum Sciences B.V. | Rotatable focusing means and variable magnification electrophotocopier |
| CA1126800A (en) * | 1978-11-09 | 1982-06-29 | Benzion Landa | Rotatable focusing means for variable magnification electrophotographic copier |
| DE3153482C2 (Direct) * | 1980-10-17 | 1990-07-26 | Canon K.K., Tokio/Tokyo, Jp | |
| JPS5778561A (en) * | 1980-11-05 | 1982-05-17 | Toshiba Corp | Copier with automatic feeding device of original |
| JPS58208739A (ja) * | 1982-05-31 | 1983-12-05 | Canon Inc | 画像形成装置 |
| US4538903A (en) * | 1982-09-21 | 1985-09-03 | Xerox Corporation | Multiple magnification mode copying apparatus |
| JPS60229041A (ja) * | 1984-04-27 | 1985-11-14 | Ricoh Co Ltd | カラ−電子写真複写機 |
| JPS61290433A (ja) * | 1985-06-18 | 1986-12-20 | Konishiroku Photo Ind Co Ltd | 変倍複写機 |
| JPS61290432A (ja) * | 1985-06-18 | 1986-12-20 | Konishiroku Photo Ind Co Ltd | 変倍複写機 |
| JPS61290436A (ja) * | 1985-06-18 | 1986-12-20 | Konishiroku Photo Ind Co Ltd | 変倍複写機 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3076392A (en) * | 1959-08-31 | 1963-02-05 | Xerox Corp | Xerographic reproducing apparatus |
| US3236165A (en) * | 1964-01-02 | 1966-02-22 | Xerox Corp | Xerographic reproducing apparatus |
| US3556655A (en) * | 1968-01-22 | 1971-01-19 | Addressograph Multigraph | Photoelectrostatic copying machine |
| US3542467A (en) * | 1968-04-15 | 1970-11-24 | Xerox Corp | Xerographic reproducing apparatus |
| DE1936169A1 (de) * | 1969-07-16 | 1971-02-11 | Ece Gmbh | Fotokopiergeraet |
| US3639057A (en) * | 1970-04-06 | 1972-02-01 | Copystatics Mfg Corp | Copying machine for making reduced-size copies |
| GB1400220A (en) * | 1972-06-23 | 1975-07-16 | Rank Xerox Ltd | Electrostatographic copying machine |
| US3778147A (en) * | 1972-07-11 | 1973-12-11 | Xerox Corp | Electrostatic reproduction machine having selectable magnification ratios |
| NL7416283A (nl) * | 1973-12-24 | 1975-06-26 | Hoechst Ag | Inrichting voor het besturen van kopieermateri- aaltoevoer in kopieerapparaten. |
-
1975
- 1975-10-30 US US05/627,433 patent/US4033692A/en not_active Expired - Lifetime
-
1976
- 1976-10-13 DE DE19762646249 patent/DE2646249A1/de not_active Withdrawn
- 1976-10-14 CA CA263,347A patent/CA1107804A/en not_active Expired
- 1976-10-25 GB GB44155/76A patent/GB1548241A/en not_active Expired
- 1976-10-25 JP JP51128759A patent/JPS5256938A/ja active Granted
- 1976-10-27 AU AU19073/76A patent/AU503275B2/en not_active Expired
- 1976-10-29 BR BR7607268A patent/BR7607268A/pt unknown
- 1976-10-29 FR FR7632897A patent/FR2330045A1/fr active Granted
- 1976-10-29 NL NL7612011A patent/NL7612011A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| GB1548241A (en) | 1979-07-11 |
| NL7612011A (nl) | 1977-05-03 |
| AU1907376A (en) | 1978-05-04 |
| AU503275B2 (en) | 1979-08-30 |
| FR2330045B1 (Direct) | 1982-10-29 |
| BR7607268A (pt) | 1977-09-13 |
| JPS5256938A (en) | 1977-05-10 |
| US4033692A (en) | 1977-07-05 |
| FR2330045A1 (fr) | 1977-05-27 |
| JPS6110067B2 (Direct) | 1986-03-27 |
| DE2646249A1 (de) | 1977-05-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |