JPH0287213U - - Google Patents
Info
- Publication number
- JPH0287213U JPH0287213U JP16576888U JP16576888U JPH0287213U JP H0287213 U JPH0287213 U JP H0287213U JP 16576888 U JP16576888 U JP 16576888U JP 16576888 U JP16576888 U JP 16576888U JP H0287213 U JPH0287213 U JP H0287213U
- Authority
- JP
- Japan
- Prior art keywords
- rotor case
- polygon mirror
- rotating polygon
- optical deflector
- hub
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
Landscapes
- Mechanical Optical Scanning Systems (AREA)
Description
第１図〜第３図は本考案の実施例を示し、第１
図は本考案による光偏向器の断面図、第２図はＦ
Ｇ磁石の斜視図、第３図は第２図におけるＡ―Ａ
断面図を表わす。第４図〜第６図は従来例を示し
、第４図は従来例に基づく光偏向器の断面図、第
５図はローターケースの斜視図、第６図は第５図
におけるＡ―Ａ断面図である。
１……回転多面鏡、２……回転速度信号発生用
磁石、３……プリント基板、４……電動機駆動用
磁石、５……電機子コイル群、６……ハブ、７…
…シヤフト、８……ローターケース、９……モー
ターフレーム、１０……凸部、１１……凹溝部、
１２……粘土質接着剤おもり、１３……軸受。
Figures 1 to 3 show embodiments of the present invention;
The figure is a cross-sectional view of the optical deflector according to the present invention, and Figure 2 is F.
A perspective view of the G magnet, Figure 3 is A-A in Figure 2.
Represents a cross-sectional view. 4 to 6 show conventional examples, FIG. 4 is a sectional view of an optical deflector based on the conventional example, FIG. 5 is a perspective view of the rotor case, and FIG. 6 is a cross section taken along line AA in FIG. 5. It is a diagram. DESCRIPTION OF SYMBOLS 1... Rotating polygon mirror, 2... Rotation speed signal generation magnet, 3... Printed circuit board, 4... Motor drive magnet, 5... Armature coil group, 6... Hub, 7...
... Shaft, 8 ... Rotor case, 9 ... Motor frame, 10 ... Convex part, 11 ... Concave groove part,
12... Clay adhesive weight, 13... Bearing.
Claims (1)
するハブ６と、前記ハブ６に固着されたロータケ
ース８と、前記ロータケース８の下端面に配設さ
れた回転速度信号発生用のプラスチツク磁石２及
び前記ロータケース８の内側面に固着された電機
子コイル群４と、でなる光偏向器の回転体７の前
記回転速度信号発生用のプラスチツク磁石２の外
環部に、前記回転体７の不釣合修正用のおもりと
して、等間隔に同一形状のくし歯状の複数の凸部
１０，１０，……を設けたことを特徴とする回転
多面鏡型光偏向器。 (2) 前記くし歯状の凸部１０，１０，……は、
前記回転速度信号発生用のプラスチツク磁石２に
より一体に形成されたことを特徴とする請求項１
記載の回転多面鏡型光偏向器。[Claims for Utility Model Registration] (1) A rotating polygon mirror 1, a hub 6 on which the rotating polygon mirror 1 is mounted, a rotor case 8 fixed to the hub 6, and a rotor case 8 disposed on the lower end surface of the rotor case 8. a plastic magnet 2 for generating a rotational speed signal, and an armature coil group 4 fixed to the inner surface of the rotor case 8; A rotating polygon mirror characterized in that a plurality of comb-like protrusions 10, 10, . type optical deflector. (2) The comb-like protrusions 10, 10,...
Claim 1 characterized in that it is integrally formed with the plastic magnet 2 for generating the rotational speed signal.
The rotating polygonal mirror optical deflector described above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16576888U JPH0438331Y2 (en) | 1988-12-23 | 1988-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16576888U JPH0438331Y2 (en) | 1988-12-23 | 1988-12-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0287213U true JPH0287213U (en) | 1990-07-10 |
| JPH0438331Y2 JPH0438331Y2 (en) | 1992-09-08 |
Family
ID=31452555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16576888U Expired JPH0438331Y2 (en) | 1988-12-23 | 1988-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0438331Y2 (en) |
-
1988
- 1988-12-23 JP JP16576888U patent/JPH0438331Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0438331Y2 (en) | 1992-09-08 |