JPS6384117U - - Google Patents
Info
- Publication number
- JPS6384117U JPS6384117U JP18010486U JP18010486U JPS6384117U JP S6384117 U JPS6384117 U JP S6384117U JP 18010486 U JP18010486 U JP 18010486U JP 18010486 U JP18010486 U JP 18010486U JP S6384117 U JPS6384117 U JP S6384117U
- Authority
- JP
- Japan
- Prior art keywords
- laser beam
- scanning device
- reflected light
- polygon mirror
- cylindrical lens
- 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 5
- 238000007493 shaping process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Mechanical Optical Scanning Systems (AREA)
Description
第１図および第２図は本考案に係るレーザ光走
査装置の一実施例を示し、第１図は本考案装置を
組み込んだレーザビームプリンタの全体的光学系
説明図、第２図は第１図のＡ―Ａ線に沿う一部縦
断面図、第３図は本考案の他の実施例を示す要部
の斜視図、第４図は従来形レーザビームプリンタ
の全体的光学系説明図、第５図は第４図の平面図
、第６図は第４図の側面図、第７図は第４図およ
び第５図に符号９で示すレーザ光検出器の縦断正
面図、第８図はレーザビームプリンタ光学制御系
のブロツク図、第９図は第８図に示す光学制御系
で発生する各種信号のタイミングチヤートである
。
１……レーザ発振器、２……レーザ光変調装置
、３……レーザ光、４……ポリゴンミラー、５…
…ＦＯレンズ、６……シリンドリカルレンズ、７
……感光ドラム、９……レーザ光検出器、１４…
…反射鏡。
1 and 2 show an embodiment of a laser beam scanning device according to the present invention, FIG. 1 is an explanatory diagram of the overall optical system of a laser beam printer incorporating the device of the present invention, and FIG. 3 is a perspective view of essential parts showing another embodiment of the present invention; FIG. 4 is an explanatory diagram of the entire optical system of a conventional laser beam printer; 5 is a plan view of FIG. 4, FIG. 6 is a side view of FIG. 4, FIG. 7 is a longitudinal sectional front view of the laser photodetector indicated by reference numeral 9 in FIGS. 4 and 5, and FIG. 9 is a block diagram of the laser beam printer optical control system, and FIG. 9 is a timing chart of various signals generated in the optical control system shown in FIG. 1... Laser oscillator, 2... Laser light modulator, 3... Laser light, 4... Polygon mirror, 5...
...FO lens, 6...Cylindrical lens, 7
...Photosensitive drum, 9...Laser light detector, 14...
…Reflector.
Claims (1)
リゴンミラーと、ＦＯレンズとシリンドリカルレ
ンズと、レーザ光検出器とを備えるレーザ光走査
装置において、前記ポリゴンミラーからの反射光
を受けて当該反射光をさらにレーザ光検出器に照
射する反射鏡を、シリンドリカルレンズの一部に
備えてなることを特徴とするレーザ光走査装置。 In a laser beam scanning device comprising a laser beam generation system, a laser beam shaping optical system, a polygon mirror, an FO lens, a cylindrical lens, and a laser beam detector, the reflected light from the polygon mirror is received and the reflected light is detected. A laser beam scanning device characterized in that a part of the cylindrical lens includes a reflecting mirror that further irradiates the laser beam onto a laser beam detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18010486U JPS6384117U (en) | 1986-11-21 | 1986-11-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18010486U JPS6384117U (en) | 1986-11-21 | 1986-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6384117U true JPS6384117U (en) | 1988-06-02 |
Family
ID=31123755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18010486U Pending JPS6384117U (en) | 1986-11-21 | 1986-11-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6384117U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05134197A (en) * | 1991-10-11 | 1993-05-28 | Nippon Hikyumen Lens Kk | Scan optical system |
-
1986
- 1986-11-21 JP JP18010486U patent/JPS6384117U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05134197A (en) * | 1991-10-11 | 1993-05-28 | Nippon Hikyumen Lens Kk | Scan optical system |