JPS6394453U - - Google Patents
Info
- Publication number
- JPS6394453U JPS6394453U JP1986189232U JP18923286U JPS6394453U JP S6394453 U JPS6394453 U JP S6394453U JP 1986189232 U JP1986189232 U JP 1986189232U JP 18923286 U JP18923286 U JP 18923286U JP S6394453 U JPS6394453 U JP S6394453U
- Authority
- JP
- Japan
- Prior art keywords
- optical system
- pulse motor
- drive
- startup
- pulse
- 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
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
- Control Of Electric Motors In General (AREA)
- Control Of Stepping Motors (AREA)
Description
第１図は本考案の光学系のスキヤニング装置の
実施例を示す駆動制御装置部分のブロツク図、第
２図はパルスモータの動作説明図、第３図は本考
案の装置の制御動作を説明する特性図、第４図は
従来の装置のモータ速度の特性図、第５図は本考
案の装置の他の実施例を説明する特性図、第６図
は本考案の実施に適する光学系のスキヤニング装
置の要部斜視図、第７図は従来の装置のモータ発
生トルクの特性図である。
１６……パルスモータ、２０……駆動制御装置
。
Fig. 1 is a block diagram of the drive control device showing an embodiment of the optical scanning device of the present invention, Fig. 2 is an explanatory diagram of the operation of the pulse motor, and Fig. 3 is an explanation of the control operation of the device of the present invention. 4 is a characteristic diagram of the motor speed of a conventional device, FIG. 5 is a characteristic diagram illustrating another embodiment of the device of the present invention, and FIG. 6 is a scanning optical system suitable for implementing the present invention. FIG. 7, which is a perspective view of the main parts of the device, is a characteristic diagram of the motor generated torque of the conventional device. 16... Pulse motor, 20... Drive control device.
Claims (1)
学系を搬送するパルスモータと、このパルスモー
タの駆動パルスを出力する駆動制御装置とを有し
、この駆動制御装置は、前記パルスモータに対し
て、その一定の搬送速度に達する前の立ち上がり
時、その立ち上がり特性に応じて周期が段階的に
短くなるように駆動パルスを供給すると共に、そ
のパルスモータの駆動電流が前記立ち上がり特性
に応じて段階的に増加するよう制御することを特
徴とする光学系のスキヤニング装置。 It has an optical system that plane-scans an image on a document, a pulse motor that conveys the optical system, and a drive control device that outputs drive pulses for the pulse motor. At the time of startup before reaching a certain conveyance speed, a drive pulse is supplied so that the period becomes shorter in steps according to the startup characteristics, and the drive current of the pulse motor is shortened in stages according to the startup characteristics. 1. An optical scanning device characterized by controlling the optical system so as to increase the
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986189232U JPS6394453U (en) | 1986-12-10 | 1986-12-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986189232U JPS6394453U (en) | 1986-12-10 | 1986-12-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6394453U true JPS6394453U (en) | 1988-06-17 |
Family
ID=31141339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986189232U Pending JPS6394453U (en) | 1986-12-10 | 1986-12-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6394453U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010169946A (en) * | 2009-01-23 | 2010-08-05 | Brother Ind Ltd | Image reading device and method for driving stepping motor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57212466A (en) * | 1981-06-25 | 1982-12-27 | Toshiba Corp | Driving system of optical system for copying machine |
| JPS59185186A (en) * | 1983-04-01 | 1984-10-20 | Fuji Xerox Co Ltd | Speed controller of copying machine |
-
1986
- 1986-12-10 JP JP1986189232U patent/JPS6394453U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57212466A (en) * | 1981-06-25 | 1982-12-27 | Toshiba Corp | Driving system of optical system for copying machine |
| JPS59185186A (en) * | 1983-04-01 | 1984-10-20 | Fuji Xerox Co Ltd | Speed controller of copying machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010169946A (en) * | 2009-01-23 | 2010-08-05 | Brother Ind Ltd | Image reading device and method for driving stepping motor |
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