JPH0423268B2 - - Google Patents
Info
- Publication number
- JPH0423268B2 JPH0423268B2 JP56104414A JP10441481A JPH0423268B2 JP H0423268 B2 JPH0423268 B2 JP H0423268B2 JP 56104414 A JP56104414 A JP 56104414A JP 10441481 A JP10441481 A JP 10441481A JP H0423268 B2 JPH0423268 B2 JP H0423268B2
- Authority
- JP
- Japan
- Prior art keywords
- pulse motor
- document
- excitation phase
- phase switching
- size
- 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
- 230000005284 excitation Effects 0.000 claims description 27
- 230000003287 optical effect Effects 0.000 claims description 15
- 238000010586 diagram Methods 0.000 description 8
- 108091008695 photoreceptors Proteins 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000002730 additional effect Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/52—Details
- G03B27/522—Projection optics
- G03B27/525—Projection optics for slit exposure
- G03B27/526—Projection optics for slit exposure in which the projection optics move
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
- Control Of Stepping Motors (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10441481A JPS587159A (ja) | 1981-07-06 | 1981-07-06 | 露光装置 |
DE8282105248T DE3266787D1 (en) | 1981-06-18 | 1982-06-15 | Optical system drive device for image formation apparatus |
EP82105248A EP0068292B1 (de) | 1981-06-18 | 1982-06-15 | Antriebsvorrichtung für optisches System eines Aufzeichnungsgerätes |
US06/712,929 US4586808A (en) | 1981-06-18 | 1985-03-15 | Optical system drive for image formation apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10441481A JPS587159A (ja) | 1981-07-06 | 1981-07-06 | 露光装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS587159A JPS587159A (ja) | 1983-01-14 |
JPH0423268B2 true JPH0423268B2 (de) | 1992-04-21 |
Family
ID=14380026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10441481A Granted JPS587159A (ja) | 1981-06-18 | 1981-07-06 | 露光装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS587159A (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2659743B2 (ja) * | 1988-03-07 | 1997-09-30 | シャープ株式会社 | モータ回転数制御装置 |
CN110460274B (zh) * | 2019-07-05 | 2020-11-10 | 广东工业大学 | 一种步进电机梯形调速控制算法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5610098A (en) * | 1979-07-03 | 1981-02-02 | Fujitsu Ltd | Pulse motor control system |
JPS5635699A (en) * | 1979-08-31 | 1981-04-08 | Canon Inc | Driving system for pulse motor |
-
1981
- 1981-07-06 JP JP10441481A patent/JPS587159A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5610098A (en) * | 1979-07-03 | 1981-02-02 | Fujitsu Ltd | Pulse motor control system |
JPS5635699A (en) * | 1979-08-31 | 1981-04-08 | Canon Inc | Driving system for pulse motor |
Also Published As
Publication number | Publication date |
---|---|
JPS587159A (ja) | 1983-01-14 |
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