JPH0191212U - - Google Patents
Info
- Publication number
- JPH0191212U JPH0191212U JP18729187U JP18729187U JPH0191212U JP H0191212 U JPH0191212 U JP H0191212U JP 18729187 U JP18729187 U JP 18729187U JP 18729187 U JP18729187 U JP 18729187U JP H0191212 U JPH0191212 U JP H0191212U
- Authority
- JP
- Japan
- Prior art keywords
- condenser lens
- irradiated
- mask
- light
- half mirror
- 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
- 238000003384 imaging method Methods 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Description
第１図は本考案の原理説明図、第２図は本考案
による一実施例の説明図で、ａは側面図、ｂはマ
スクの拡大図、ｃは投影像が照射される部分を示
す拡大図、第３図は従来の構成説明図を示す。
図において、１は光源部、２は被照射面、３は
受像部、４はライトガイド、５はコンデンサレン
ズ、６はマスク、７は結像レンズ、８はハーフミ
ラー、９は照射光、１０はシルエツト、６Ａはマ
スクパターンを示す。
Fig. 1 is an explanatory diagram of the principle of the present invention, and Fig. 2 is an explanatory diagram of an embodiment of the present invention, in which a is a side view, b is an enlarged view of the mask, and c is an enlarged view showing the part irradiated with the projected image. FIG. 3 shows a conventional configuration explanatory diagram. In the figure, 1 is a light source part, 2 is an irradiated surface, 3 is an image receiving part, 4 is a light guide, 5 is a condenser lens, 6 is a mask, 7 is an imaging lens, 8 is a half mirror, 9 is an irradiation light, 10 6A shows a silhouette, and 6A shows a mask pattern.
Claims (1)
デンサレンズ５と、該コンデンサレンズ５からの
平行光線によつて照射されるマスクパターン６Ａ
を有するマスク６と、該マスクパターン６Ａの投
影像１１を被照射面２にハーフミラー８を介して
投影する結像レンズ７とを具備し、該被照射面２
の投影部に形成されるシルエツト１０が該ハーフ
ミラー８を介して受像部３に受像されるように形
成される同軸間接スリツト照明装置において、 前記コンデンサレンズ５と、前記マスク６と、
前記結像レンズ７とのそれぞれを筒状のケース１
２に内設することで構成すると共に、前記光源部
からの照射光９を該コンデンサレンズ５に案内す
る可撓性のライトガイド４を内設し、かつ、前記
マスク６が着脱可能にブロツク１２Ｄを介して該
ケース１２に係止されて成ることを特徴とする同
軸間接スリツト照明装置。[Claims for Utility Model Registration] A condenser lens 5 that converts the irradiated light 9 from the light source section 1 into parallel light beams, and a mask pattern 6A that is irradiated with the parallel light beams from the condenser lens 5.
and an imaging lens 7 for projecting a projected image 11 of the mask pattern 6A onto the irradiated surface 2 via a half mirror 8.
In a coaxial indirect slit illumination device formed such that a silhouette 10 formed on a projection section is imaged by an image receiving section 3 via the half mirror 8, the condenser lens 5, the mask 6,
The imaging lens 7 is connected to a cylindrical case 1.
A flexible light guide 4 for guiding the irradiated light 9 from the light source section to the condenser lens 5 is installed inside the block 12D, and the mask 6 is detachably attached to the block 12D. A coaxial indirect slit lighting device, characterized in that it is locked to the case 12 via.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18729187U JPH0191212U (en) | 1987-12-09 | 1987-12-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18729187U JPH0191212U (en) | 1987-12-09 | 1987-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0191212U true JPH0191212U (en) | 1989-06-15 |
Family
ID=31478455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18729187U Pending JPH0191212U (en) | 1987-12-09 | 1987-12-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0191212U (en) |
-
1987
- 1987-12-09 JP JP18729187U patent/JPH0191212U/ja active Pending
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