JPH0437972B2 - - Google Patents
Info
- Publication number
- JPH0437972B2 JPH0437972B2 JP13012283A JP13012283A JPH0437972B2 JP H0437972 B2 JPH0437972 B2 JP H0437972B2 JP 13012283 A JP13012283 A JP 13012283A JP 13012283 A JP13012283 A JP 13012283A JP H0437972 B2 JPH0437972 B2 JP H0437972B2
- Authority
- JP
- Japan
- Prior art keywords
- magnification
- projection lens
- scanning
- motor
- speed
- 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
- 238000000034 method Methods 0.000 claims description 22
- 238000012937 correction Methods 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 description 16
- 230000003287 optical effect Effects 0.000 description 13
- 230000001133 acceleration Effects 0.000 description 10
- 230000007246 mechanism Effects 0.000 description 8
- 108091008695 photoreceptors Proteins 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000009467 reduction Effects 0.000 description 8
- XVCUGNWRDDNCRD-UHFFFAOYSA-M lithium;1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluorooctane-1-sulfonate Chemical compound [Li+].[O-]S(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F XVCUGNWRDDNCRD-UHFFFAOYSA-M 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 241001125929 Trisopterus luscus Species 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer 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
- G03G15/04—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)
- Variable Magnification In Projection-Type Copying Machines (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13012283A JPS6022121A (ja) | 1983-07-16 | 1983-07-16 | 投影レンズの位置決め方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13012283A JPS6022121A (ja) | 1983-07-16 | 1983-07-16 | 投影レンズの位置決め方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6022121A JPS6022121A (ja) | 1985-02-04 |
| JPH0437972B2 true JPH0437972B2 (enrdf_load_stackoverflow) | 1992-06-23 |
Family
ID=15026470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13012283A Granted JPS6022121A (ja) | 1983-07-16 | 1983-07-16 | 投影レンズの位置決め方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6022121A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6159439A (ja) * | 1984-08-31 | 1986-03-26 | Konishiroku Photo Ind Co Ltd | 可変倍率複写装置 |
| JPS6239836A (ja) * | 1985-08-14 | 1987-02-20 | Konishiroku Photo Ind Co Ltd | 光学系駆動装置 |
-
1983
- 1983-07-16 JP JP13012283A patent/JPS6022121A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6022121A (ja) | 1985-02-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0030282B1 (en) | Electrophotographic copier with reduction mode facility and control of scanning carriage | |
| EP0030302B1 (en) | Servosystem for controlling acceleration and deceleration of a servo motor | |
| US4426149A (en) | Photocopier scanning drive system | |
| US4561771A (en) | System for controlling the reciprocation of a scanning apparatus | |
| US4557593A (en) | Focus and magnification determining and control device for variable magnification type copying machine | |
| JPH10136694A (ja) | 画像読取装置 | |
| US4552450A (en) | Variable magnification apparatus with lens position control | |
| US4917460A (en) | Method and apparatus for controlling lens of image forming apparatus | |
| JPH0437972B2 (enrdf_load_stackoverflow) | ||
| EP0082713B1 (en) | Apparatus for scanning an original for copiers having a variable reducing/enlargement ratio | |
| JPS60249133A (ja) | 複写機 | |
| US4806988A (en) | Process and an arrangement for the automatic focusing in a photographic enlarging or copying apparatus with a variable enlarging scale | |
| JPS60249132A (ja) | 複写機 | |
| JP2868274B2 (ja) | 走査型露光装置 | |
| JPH06141424A (ja) | ケーブル巻取装置 | |
| JPH06237588A (ja) | 画像形成装置の光学走査系駆動用モータの速度制御回路 | |
| JPH04322198A (ja) | ステップモータによる双方向駆動装置 | |
| JP3461630B2 (ja) | 副走査用モータの制御装置および制御方法 | |
| JPH10150788A (ja) | モーターの停止位置制御装置およびその制御方法 | |
| JPS6024531A (ja) | 複写機 | |
| JPH02127634A (ja) | 原稿照明装置 | |
| JPH0697323B2 (ja) | 複写機のミラ−移動体駆動装置 | |
| JPH04324876A (ja) | 画像形成装置 | |
| JPH02123380A (ja) | 複写機のスキャナ制御方法 | |
| JPH0220090B2 (enrdf_load_stackoverflow) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |