JPH032843A - Laser printer - Google Patents
Laser printerInfo
- Publication number
- JPH032843A JPH032843A JP13827689A JP13827689A JPH032843A JP H032843 A JPH032843 A JP H032843A JP 13827689 A JP13827689 A JP 13827689A JP 13827689 A JP13827689 A JP 13827689A JP H032843 A JPH032843 A JP H032843A
- Authority
- JP
- Japan
- Prior art keywords
- optical
- light
- photosensitive drum
- laser
- section
- 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 abstract description 20
- 239000013078 crystal Substances 0.000 abstract description 4
- 239000004065 semiconductor Substances 0.000 abstract description 4
- 229910003327 LiNbO3 Inorganic materials 0.000 abstract description 3
- 239000011159 matrix material Substances 0.000 abstract description 3
- 238000009792 diffusion process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
Landscapes
- Laser Beam Printer (AREA)
Abstract
Description
【発明の詳細な説明】
[産業上の利用分野]
本発明は半導体レーザを使用して文字1図形などを高速
で紙面に記録するレーザ・プリンタに関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a laser printer that uses a semiconductor laser to record characters, figures, etc. on paper at high speed.
[従来の技術]
従来のレーザ争プリンタでは、レーザビームを偏向させ
るために、ポリゴンミラーを用いて機械的に高速偏向を
行っている。また最近では1発光ダイオード素子を一次
元的に配列したLEDプリンタがある。[Prior Art] In conventional laser printers, a polygon mirror is used to mechanically perform high-speed deflection in order to deflect a laser beam. Recently, there are LED printers in which one light emitting diode element is arranged one-dimensionally.
[発明が解決しようとする課題]
上述したポリゴンミラーを使用したレーザ・プリンタで
は1機械的駆動部があることから、空間占有領域が大き
いという欠点がある。また、LEDプリンタは配列する
各アレー素子の出力変動にばらつきがあり、高品質の印
字密度が得られないという欠点がある。[Problems to be Solved by the Invention] Since the laser printer using the polygon mirror described above has one mechanical drive unit, it has the disadvantage that it occupies a large space. Furthermore, LED printers have a drawback in that output fluctuations of each array element vary, making it impossible to obtain high-quality printing density.
本発明の目的は、上述、した欠点を除去し、空間占有領
域が小さく、且つ高品質の印字密度が得られるレーザ・
プリンタを提供することにある。The object of the present invention is to eliminate the above-mentioned drawbacks, to use a laser that occupies a small space and provides high-quality printing density.
The purpose is to provide printers.
[課題を解決するための手段]
本発明によれば、レーザ光発生部と、該レーザ光発生部
からのレーザ光を導波する導波部と、レーザ光を記録情
報に応答して時間的、空間的に偏向する偏向部と、該光
偏向部からの偏向光を受けて平行な光ビームを形成する
光学系とを含むことを特徴とするレーザ・プリンタが得
られる。[Means for Solving the Problems] According to the present invention, there is provided a laser beam generation section, a waveguide section that guides the laser beam from the laser beam generation section, and a waveguide section for guiding the laser beam from the laser beam generation section. , there is obtained a laser printer characterized in that it includes a deflection section that deflects spatially, and an optical system that receives polarized light from the light deflection section and forms a parallel light beam.
[実施例] 次に本発明について図面を参照して説明する。[Example] Next, the present invention will be explained with reference to the drawings.
第1図は本発明の一実施例の概略図である。半導体レー
ザ11からの射出光を先導波路13が形成された光偏向
器12に導く。具体的には、先導路13の形成のための
材料としては、LiNbO3結晶が使用される。このL
iNb0.結晶に金属拡散法により2次元光導波路13
を形成する。FIG. 1 is a schematic diagram of an embodiment of the present invention. Light emitted from a semiconductor laser 11 is guided to an optical deflector 12 in which a leading waveguide 13 is formed. Specifically, as the material for forming the guide path 13, LiNbO3 crystal is used. This L
iNb0. Two-dimensional optical waveguide 13 created in crystal by metal diffusion method
form.
光偏向すべき光偏向部17には交叉指状電極を設け、マ
トリックス駆動回路14からの電圧により。The light deflection unit 17 to be deflected is provided with interdigital electrodes, and is driven by a voltage from the matrix drive circuit 14.
光路切換を行い、−次元光走査を行う。光偏向器12か
らの光ビームはシリンドリカルレンズ15により平行ビ
ームとなり、転写用感光ドラム16上に潜像を形成し、
レーザ・プリンタとして動作する。Optical path switching is performed to perform -dimensional optical scanning. The light beam from the optical deflector 12 is turned into a parallel beam by the cylindrical lens 15, forming a latent image on the transfer photosensitive drum 16,
Works as a laser printer.
[発明の効果] 以上説明したように本発明はレーザ光発生部と。[Effect of the invention] As explained above, the present invention includes a laser beam generating section.
該レーザ光発生部からのレーザ光を導波する導波部と、
レーザ光を記録情報に応答して時間的、空間的に偏向す
る偏向部と、該光偏向部からの偏向光を受けて平行な光
ビームを転写用感光ドラムに与える光学系とを含むこと
により小形化が可能で。a waveguide section that guides the laser light from the laser light generation section;
By including a deflection section that temporally and spatially deflects laser light in response to recorded information, and an optical system that receives the deflected light from the light deflection section and applies a parallel light beam to the transfer photosensitive drum. Can be made smaller.
高品質の印字密度が得られる。低価格化を計ったレーザ
・プリンタを提供できる効果がある。High quality printing density can be obtained. This has the effect of being able to provide a laser printer at a lower price.
第1図は本発明の一実施例の概略図である。
11・・・半導体レーザ、12・・・光偏向器、13・
・・先導波路、14・・・マトリクス駆動回路、15・
・・シリンドリカルレンズ、16・・・感光ドラム、1
7・・・光偏向部。FIG. 1 is a schematic diagram of an embodiment of the present invention. 11... Semiconductor laser, 12... Optical deflector, 13...
... Leading wave path, 14... Matrix drive circuit, 15.
...Cylindrical lens, 16...Photosensitive drum, 1
7... Light deflection section.
Claims (1)
光を導波する導波部と、レーザ光を記録情報に応答して
時間的、空間的に偏向する偏向部と、該光偏向部からの
偏向光を受けて平行な光ビームを転写用感光ドラムに与
える光学系とを含むことを特徴とするレーザ・プリンタ
。1. A laser beam generation section, a waveguide section that guides the laser beam from the laser beam generation section, a deflection section that deflects the laser beam temporally and spatially in response to recorded information, and the optical deflection section. 1. An optical system that receives polarized light from a photosensitive drum and applies a parallel light beam to a transfer photosensitive drum.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13827689A JPH032843A (en) | 1989-05-31 | 1989-05-31 | Laser printer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13827689A JPH032843A (en) | 1989-05-31 | 1989-05-31 | Laser printer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH032843A true JPH032843A (en) | 1991-01-09 |
Family
ID=15218133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13827689A Pending JPH032843A (en) | 1989-05-31 | 1989-05-31 | Laser printer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH032843A (en) |
-
1989
- 1989-05-31 JP JP13827689A patent/JPH032843A/en active Pending
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