JPH0235114U - - Google Patents
Info
- Publication number
- JPH0235114U JPH0235114U JP11312388U JP11312388U JPH0235114U JP H0235114 U JPH0235114 U JP H0235114U JP 11312388 U JP11312388 U JP 11312388U JP 11312388 U JP11312388 U JP 11312388U JP H0235114 U JPH0235114 U JP H0235114U
- Authority
- JP
- Japan
- Prior art keywords
- detection device
- laser
- writing
- end surface
- laser beam
- 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
- 238000001514 detection method Methods 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
Description
第１〜４図は本考案によるレーザー書込み装置
の同期検知装置の一実施例を示す図であり、第１
図はレーザー書込み装置のＯＰＣベルト、光学系
ユニツト、同期検知装置等の位置関係を示す側面
断面図、第２図は光学系ユニツトを示す平面図、
第３図は同期検知装置周辺の拡大図、第４図は同
期検知装置の検知端面とレーザー光の光径との関
係を示す正面図、第５図は従来のレーザー書込み
装置の同期検知装置における上記第４図に相当す
る正面図である。
１……ＯＰＣベルト、２〜４……ローラ、６…
…光学系ユニツト、７……レーザーダイオード、
８……ポリゴンミラー、１０……第１ミラー、１
１……第２ミラー、１２……第３ミラー、１３…
…同期検知装置、１５……光フアイバ、１５ａ…
…検知端面、１７……シリンダレンズ、Ｌ１，Ｌ
２……レーザー光、Ｐ……絞り位置、Ｄ，ｄ……
光径。
1 to 4 are diagrams showing one embodiment of a synchronization detection device for a laser writing device according to the present invention, and FIG.
The figure is a side sectional view showing the positional relationship of the OPC belt, optical system unit, synchronization detection device, etc. of the laser writing device, and Figure 2 is a plan view showing the optical system unit.
Figure 3 is an enlarged view of the vicinity of the synchronization detection device, Figure 4 is a front view showing the relationship between the detection end face of the synchronization detection device and the optical diameter of the laser beam, and Figure 5 is a view of the synchronization detection device of a conventional laser writing device. FIG. 4 is a front view corresponding to FIG. 4 above. 1...OPC belt, 2-4...roller, 6...
...Optical system unit, 7...Laser diode,
8... Polygon mirror, 10... First mirror, 1
1...Second mirror, 12...Third mirror, 13...
...Synchronization detection device, 15...Optical fiber, 15a...
... Sensing end surface, 17... Cylinder lens, L 1 , L
2 ...Laser beam, P...Aperture position, D, d...
Light diameter.
Claims (1)
にレーザー光の一部を検知端面で受光して書込み
の同期をとる同期検知装置において、前記検知端
面をレーザー光の絞り位置からこの前後方向に所
定量ずらして設けたことを特徴とするレーザー書
込み装置の同期検知装置。 In a synchronous detection device that synchronizes writing by receiving a part of the laser beam at a sensing end surface during laser writing in a laser writing device, the sensing end surface is provided by being shifted from the aperture position of the laser beam by a predetermined amount in the front and back direction. A synchronization detection device for a laser writing device, characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11312388U JPH0235114U (en) | 1988-08-29 | 1988-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11312388U JPH0235114U (en) | 1988-08-29 | 1988-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0235114U true JPH0235114U (en) | 1990-03-07 |
Family
ID=31352686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11312388U Pending JPH0235114U (en) | 1988-08-29 | 1988-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0235114U (en) |
-
1988
- 1988-08-29 JP JP11312388U patent/JPH0235114U/ja active Pending