JPH01143557U - - Google Patents
Info
- Publication number
- JPH01143557U JPH01143557U JP3946888U JP3946888U JPH01143557U JP H01143557 U JPH01143557 U JP H01143557U JP 3946888 U JP3946888 U JP 3946888U JP 3946888 U JP3946888 U JP 3946888U JP H01143557 U JPH01143557 U JP H01143557U
- Authority
- JP
- Japan
- Prior art keywords
- scanning position
- image sensor
- dimensional image
- light source
- transparent original
- 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 4
- 238000002834 transmittance Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 1
Description
第１図は本考案の１実施例における光路を示し
た図、第２図は従来の走査光学系の一例の光路図
である。
１……走査位置、２……透過原稿、３……ＣＣ
Ｄ、４……レンズ、５……光源、６……ＮＤフイ
ルタ、７……拡散板、８……フイルタ板。
FIG. 1 is a diagram showing an optical path in one embodiment of the present invention, and FIG. 2 is an optical path diagram of an example of a conventional scanning optical system. 1...Scanning position, 2...Transparent original, 3...CC
D, 4... Lens, 5... Light source, 6... ND filter, 7... Diffusion plate, 8... Filter plate.
Claims (1)
イメージセンサと、前記走査位置と前記１次元イ
メージセンサとの間に設けられ前記走査位置から
の光を前記１次元イメージセンサの受光面に結像
するレンズと、前記走査位置を挾んで前記１次元
イメージセンサの反対側から前記走査位置を照射
する光源と、前記透過原稿が前記走査位置に無い
とき前記光源と前記走査位置との間に挿入される
前記透過原稿の透過率に見合う透過率を有するフ
イルタ板を含むことを特徴とする走査光学系構造
。 a one-dimensional image sensor that reads a transparent original passing through a scanning position; and a lens that is provided between the scanning position and the one-dimensional image sensor and forms an image of light from the scanning position on a light-receiving surface of the one-dimensional image sensor. a light source that irradiates the scanning position from the opposite side of the one-dimensional image sensor while sandwiching the scanning position; and a light source that is inserted between the light source and the scanning position when the transparent original is not at the scanning position. A scanning optical system structure comprising a filter plate having a transmittance matching that of a transparent original.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3946888U JPH01143557U (en) | 1988-03-25 | 1988-03-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3946888U JPH01143557U (en) | 1988-03-25 | 1988-03-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01143557U true JPH01143557U (en) | 1989-10-02 |
Family
ID=31265971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3946888U Pending JPH01143557U (en) | 1988-03-25 | 1988-03-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01143557U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006025226A (en) * | 2004-07-08 | 2006-01-26 | Noritsu Koki Co Ltd | Film scanner |
-
1988
- 1988-03-25 JP JP3946888U patent/JPH01143557U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006025226A (en) * | 2004-07-08 | 2006-01-26 | Noritsu Koki Co Ltd | Film scanner |