JPH0298324U - - Google Patents
Info
- Publication number
- JPH0298324U JPH0298324U JP524189U JP524189U JPH0298324U JP H0298324 U JPH0298324 U JP H0298324U JP 524189 U JP524189 U JP 524189U JP 524189 U JP524189 U JP 524189U JP H0298324 U JPH0298324 U JP H0298324U
- Authority
- JP
- Japan
- Prior art keywords
- scanning
- light
- main
- deflection device
- spot
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
Landscapes
- Mechanical Optical Scanning Systems (AREA)
- Facsimile Scanning Arrangements (AREA)
Description
第１図は、本考案の１実施例を要部のみ略示す
る説明図、第２図は、上記実施例の光学配置を略
示する説明図、第３図は、考案の課題を説明する
ための図、第４図は、第１図の実施例の特徴部分
を説明するための図、第５図は、本考案の別実施
例の要部のみ略示する図である。
１……半導体レーザー、３……半導体レーザー
とともに光源装置を構成するコリメートレンズ、
５……ビームスプリツター、７……走査偏向装置
としての回転多面鏡、９……走査用レンズとして
のｆθレンズ、１３……原稿搬送手段としての搬
送ローラー、１７……集光レンズ、１９……集光
レンズ、ビームスプリツターとともに光検出手段
を構成する光電変換素子、２１，２３……補助ミ
ラーとしてのミラー部材。
Fig. 1 is an explanatory diagram schematically showing only the essential parts of one embodiment of the present invention, Fig. 2 is an explanatory diagram schematically showing the optical arrangement of the above embodiment, and Fig. 3 is an explanatory diagram illustrating the problem of the invention. FIG. 4 is a diagram for explaining the characteristic parts of the embodiment of FIG. 1, and FIG. 5 is a diagram schematically showing only the main parts of another embodiment of the present invention. 1... Semiconductor laser, 3... Collimating lens that constitutes a light source device together with the semiconductor laser,
5... Beam splitter, 7... Rotating polygon mirror as scanning deflection device, 9... fθ lens as scanning lens, 13... Conveyance roller as document conveyance means, 17... Condensing lens, 19... . . . A photoelectric conversion element that constitutes a light detection means together with a condensing lens and a beam splitter, 21, 23 . . . Mirror members serving as auxiliary mirrors.
Claims (1)
る走査偏向装置と、原稿搬送手段と、この原稿搬
送手段により副走査方向へ搬送される原稿上に上
記走査偏向装置による偏向光束をスポツト状に結
像せしめる走査用レンズと、上記スポツト状の集
光光により主走査される原稿からの反射光を上記
走査用レンズと走査偏向装置とを介して検出する
光検出手段とを有する読取装置であつて、 光検出手段による検出光量の主走査位置による
差異を軽減するために、原稿の主走査部近傍に設
けられた補助ミラー手段を有することを特徴とす
る光走査型読取装置。[Claims for Utility Model Registration] A light source device, a scanning deflection device that deflects light from the light source device, an original conveying means, and the above-mentioned scanning deflection device placed on the original conveyed in the sub-scanning direction by the original conveying means. a scanning lens for forming a spot-shaped image of the deflected light beam, and a light detection means for detecting reflected light from a document that is main-scanned by the spot-shaped condensed light via the scanning lens and the scanning deflection device. An optical scanning type reading device comprising: an auxiliary mirror means provided near the main scanning section of the document in order to reduce differences in the amount of light detected by the optical detection means depending on the main scanning position; reading device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP524189U JPH0298324U (en) | 1989-01-20 | 1989-01-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP524189U JPH0298324U (en) | 1989-01-20 | 1989-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0298324U true JPH0298324U (en) | 1990-08-06 |
Family
ID=31208452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP524189U Pending JPH0298324U (en) | 1989-01-20 | 1989-01-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0298324U (en) |
-
1989
- 1989-01-20 JP JP524189U patent/JPH0298324U/ja active Pending
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