JPH01113217U - - Google Patents
Info
- Publication number
- JPH01113217U JPH01113217U JP770188U JP770188U JPH01113217U JP H01113217 U JPH01113217 U JP H01113217U JP 770188 U JP770188 U JP 770188U JP 770188 U JP770188 U JP 770188U JP H01113217 U JPH01113217 U JP H01113217U
- Authority
- JP
- Japan
- Prior art keywords
- light beam
- scanning
- reflection mirror
- detection device
- metal plate
- 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
- 238000001514 detection method Methods 0.000 claims 2
- 239000002184 metal Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 1
Description
第１図は本考案の原理説明図、第２図は本考案
の原理説明比較図、第３図は本考案の原理説明補
助図、第４図は従来の一般的な光ビーム走査装置
の斜視図、第５図は従来の反射ミラー部の斜視図
である。
１０，３６，５８，６４……反射ミラー、１２
，４４……光検出器、５８ａ，６４ａ……傷。
Figure 1 is a diagram explaining the principle of the present invention, Figure 2 is a comparative diagram explaining the principle of the present invention, Figure 3 is an auxiliary diagram explaining the principle of the present invention, and Figure 4 is a perspective view of a conventional general light beam scanning device. FIG. 5 is a perspective view of a conventional reflecting mirror section. 10, 36, 58, 64...reflection mirror, 12
, 44... Photodetector, 58a, 64a... Scratch.
Claims (1)
器に入射させるようにした光ビーム検出装置にお
いて、 前記反射ミラーを金属板から形成し、 該金属板の製造時にその表面に特定方向に生じ
た傷の方向を走査光ビームの走査方向に略一致さ
せてなることを特徴とする光ビーム検出装置。[Claims for Utility Model Registration] In a light beam detection device in which a scanning light beam is reflected by a reflection mirror and made incident on a photodetector, the reflection mirror is formed from a metal plate, and the metal plate is A light beam detection device characterized in that the direction of a scratch generated in a specific direction on a surface is made to substantially match the scanning direction of a scanning light beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP770188U JPH0645924Y2 (en) | 1988-01-26 | 1988-01-26 | Light beam detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP770188U JPH0645924Y2 (en) | 1988-01-26 | 1988-01-26 | Light beam detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01113217U true JPH01113217U (en) | 1989-07-31 |
| JPH0645924Y2 JPH0645924Y2 (en) | 1994-11-24 |
Family
ID=31212934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP770188U Expired - Lifetime JPH0645924Y2 (en) | 1988-01-26 | 1988-01-26 | Light beam detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0645924Y2 (en) |
-
1988
- 1988-01-26 JP JP770188U patent/JPH0645924Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0645924Y2 (en) | 1994-11-24 |