JPS6291654U - - Google Patents
Info
- Publication number
- JPS6291654U JPS6291654U JP18427585U JP18427585U JPS6291654U JP S6291654 U JPS6291654 U JP S6291654U JP 18427585 U JP18427585 U JP 18427585U JP 18427585 U JP18427585 U JP 18427585U JP S6291654 U JPS6291654 U JP S6291654U
- Authority
- JP
- Japan
- Prior art keywords
- laser
- scanner unit
- polygon mirror
- laser beam
- printer
- 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
- 239000004065 semiconductor Substances 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims 1
Landscapes
- Mechanical Optical Scanning Systems (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Laser Beam Printer (AREA)
Description
第１図は本考案を用いたレーザービームプリン
ターの断面図であり、第２図は第１図のレーザー
ビームプリンターに用いたスキヤナーユニツトの
実施例を斜視図を示したものである。
２１……半導体レーザーユニツト、２２……ポ
リゴンミラー、２５……開口部、２８……外箱、
２９ａ，２９ｂ，２９ｃ……遮蔽部材、３０ａ，
３０ｂ，３０ｃ……障害物。
FIG. 1 is a sectional view of a laser beam printer using the present invention, and FIG. 2 is a perspective view of an embodiment of a scanner unit used in the laser beam printer of FIG. 21... Semiconductor laser unit, 22... Polygon mirror, 25... Opening, 28... Outer box,
29a, 29b, 29c...shielding member, 30a,
30b, 30c... Obstacles.
Claims (1)
ゴンミラーを少くとも有し、上記各装置が一体の
スキヤナーユニツトを構成しているレーザービー
ムプリンターにおいて、前記スキヤナーユニツト
がレーザービームの射出部にだけ細い幅のスリツ
ト状の開口部を有し、ポリゴンミラーの周囲はレ
ーザーの入射部及び出射部を残し、遮蔽部材で囲
い、かつスキヤナーユニツト内に風を減衰させる
ような障害物を設けることを特徴とするレーザー
ブームプリンター。 In a laser beam printer that has at least a semiconductor laser unit, an optical lens, and a polygon mirror, and each of the above devices constitutes an integrated scanner unit, the scanner unit has a narrow width only at the laser beam emission part. It has a slit-shaped opening, leaves an entrance part and an exit part for the laser around the polygon mirror, is surrounded by a shielding member, and is characterized by providing an obstacle to attenuate the wind inside the scanner unit. Laser boom printer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18427585U JPS6291654U (en) | 1985-11-28 | 1985-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18427585U JPS6291654U (en) | 1985-11-28 | 1985-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6291654U true JPS6291654U (en) | 1987-06-11 |
Family
ID=31131794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18427585U Pending JPS6291654U (en) | 1985-11-28 | 1985-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6291654U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55157723A (en) * | 1979-05-28 | 1980-12-08 | Canon Inc | Beam deflecting device |
-
1985
- 1985-11-28 JP JP18427585U patent/JPS6291654U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55157723A (en) * | 1979-05-28 | 1980-12-08 | Canon Inc | Beam deflecting device |