JPH01100135U - - Google Patents
Info
- Publication number
- JPH01100135U JPH01100135U JP19413187U JP19413187U JPH01100135U JP H01100135 U JPH01100135 U JP H01100135U JP 19413187 U JP19413187 U JP 19413187U JP 19413187 U JP19413187 U JP 19413187U JP H01100135 U JPH01100135 U JP H01100135U
- Authority
- JP
- Japan
- Prior art keywords
- transparent original
- original
- reading
- half mirror
- optical system
- 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
- 238000005286 illumination Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 1
Landscapes
- Light Sources And Details Of Projection-Printing Devices (AREA)
Description
第１図は本考案の画像読取光学系装置の一実施
例を示す概要図、第２図は本考案の他の実施例を
示す概要図、第３図は反射原稿読取装置の一例を
示す概要図、第４図は第３図に示した装置で透過
原稿を読取る場合の従来方式の説明図である。
１…筐体、３…反射原稿、４…均一白色基準板
、５…照明光源、６…読取り素子、１１…第１キ
ヤリツジ、１２…第２キヤリツジ、１６…透過原
稿、１７…透過原稿用照明光源、２０…透過原稿
ホルダー、２１…ハーフミラー。
Fig. 1 is a schematic diagram showing one embodiment of the image reading optical system device of the present invention, Fig. 2 is a schematic diagram showing another embodiment of the present invention, and Fig. 3 is a schematic diagram showing an example of a reflective document reading device. 4 are explanatory diagrams of a conventional method for reading a transparent original using the apparatus shown in FIG. 3. DESCRIPTION OF SYMBOLS 1... Housing, 3... Reflective original, 4... Uniform white reference plate, 5... Illumination light source, 6... Reading element, 11... First carriage, 12... Second carriage, 16... Transparent original, 17... Illumination for transparent original Light source, 20... Transparent original holder, 21... Half mirror.
Claims (1)
ようにしてある反射原稿読取光学系における上記
反射光の光路の途中に、ハーフミラーを配置し、
該ハーフミラーの反射光路に、透過原稿をセツト
する透過原稿ホルダーを走査移動可能に設けると
共に、該透過原稿ホルダーにセツトした透過原稿
を照明する透過原稿用照明光源を設け、且つ透過
原稿の画像を投影するための白色基準板を備えて
なることを特徴とする画像読取光学系装置。 A half mirror is disposed in the middle of the optical path of the reflected light in a reflective original reading optical system that illuminates the reflective original and forms an image of the reflected light for reading,
A transparent original holder for setting a transparent original is movably provided in the reflection optical path of the half mirror, and a transparent original illumination light source is provided for illuminating the transparent original set in the transparent original holder. An image reading optical system device comprising a white reference plate for projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19413187U JPH01100135U (en) | 1987-12-22 | 1987-12-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19413187U JPH01100135U (en) | 1987-12-22 | 1987-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01100135U true JPH01100135U (en) | 1989-07-05 |
Family
ID=31484876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19413187U Pending JPH01100135U (en) | 1987-12-22 | 1987-12-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01100135U (en) |
-
1987
- 1987-12-22 JP JP19413187U patent/JPH01100135U/ja active Pending
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