JPS6227323U - - Google Patents
Info
- Publication number
- JPS6227323U JPS6227323U JP11735885U JP11735885U JPS6227323U JP S6227323 U JPS6227323 U JP S6227323U JP 11735885 U JP11735885 U JP 11735885U JP 11735885 U JP11735885 U JP 11735885U JP S6227323 U JPS6227323 U JP S6227323U
- Authority
- JP
- Japan
- Prior art keywords
- laser
- enters
- polygon mirror
- laser beam
- modulates
- 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
- 238000010586 diagram Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
Landscapes
- Dot-Matrix Printers And Others (AREA)
- Laser Beam Printer (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Combination Of More Than One Step In Electrophotography (AREA)
Description
第１図は本考案に係るレーザ光走査装置を備え
たレーザビームプリンタの一実施例を示す要部模
式図、第２図は従来のレーザプリンタの光学系の
模式図、第３図は第２図を上面から見た模式図、
第４図は第２図を側面から見た模式図、第５図は
光学系制御装置のブロツク図、第６図は光学系制
御のタイミングチヤートである。
１はレーザ発振器、２はレーザ光、３はレーザ
変調器、４はポリゴンミラー、５はＦθレンズ、
６はシリンドリカルレンズ、７は感光ドラム、８
は平面ミラー、９はレーザ光検出器。
Fig. 1 is a schematic diagram of the main parts of an embodiment of a laser beam printer equipped with a laser beam scanning device according to the present invention, Fig. 2 is a schematic diagram of the optical system of a conventional laser printer, and Fig. 3 is a schematic diagram of the optical system of a conventional laser printer. Schematic view of the figure from above,
4 is a schematic side view of FIG. 2, FIG. 5 is a block diagram of the optical system control device, and FIG. 6 is a timing chart for controlling the optical system. 1 is a laser oscillator, 2 is a laser beam, 3 is a laser modulator, 4 is a polygon mirror, 5 is an Fθ lens,
6 is a cylindrical lens, 7 is a photosensitive drum, 8
is a plane mirror, and 9 is a laser photodetector.
Claims (1)
光を変調するレーザ変調器と、ポリゴンミラーと
、該ポリゴンミラーで反射されたレーザ光をＦθ
レンズ、シリンドリカルレンズを介して入射する
感光ドラムと、前記ポリゴンミラーで反射された
レーザ光を検出するレーザ光検出器を備えたもの
において、前記レーザ光検出器に入射するレーザ
光は前記シリンドリカルレンズを通過した後入射
する構成としたことを特徴とするレーザ光走査装
置。 A laser oscillator, a laser modulator that modulates the laser beam from the laser oscillator, a polygon mirror, and an Fθ beam that modulates the laser beam reflected by the polygon mirror.
A photosensitive drum that enters through a lens or a cylindrical lens, and a laser photodetector that detects laser light reflected by the polygon mirror, wherein the laser light that enters the laser photodetector passes through the cylindrical lens. A laser beam scanning device characterized by having a configuration in which the laser beam enters after passing through the device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11735885U JPS6227323U (en) | 1985-07-31 | 1985-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11735885U JPS6227323U (en) | 1985-07-31 | 1985-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6227323U true JPS6227323U (en) | 1987-02-19 |
Family
ID=31002794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11735885U Pending JPS6227323U (en) | 1985-07-31 | 1985-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6227323U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6021066A (en) * | 1983-07-15 | 1985-02-02 | Hitachi Ltd | Optical beam printer |
-
1985
- 1985-07-31 JP JP11735885U patent/JPS6227323U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6021066A (en) * | 1983-07-15 | 1985-02-02 | Hitachi Ltd | Optical beam printer |