JPS62173889U - - Google Patents
Info
- Publication number
- JPS62173889U JPS62173889U JP6212886U JP6212886U JPS62173889U JP S62173889 U JPS62173889 U JP S62173889U JP 6212886 U JP6212886 U JP 6212886U JP 6212886 U JP6212886 U JP 6212886U JP S62173889 U JPS62173889 U JP S62173889U
- Authority
- JP
- Japan
- Prior art keywords
- section
- test pattern
- optical path
- path length
- light beam
- 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
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Description
第１図は本考案の一実施例の光学系の概略図、
第２図は第１図の一部分の説明図、第３図は本考
案に係るテストパターンの他の実施例の説明図で
ある。図中１は光源、２はコンデンサーレンズ、
１０はテストパターン、３は網点パターン部、４
，３０は光路長調整部、５は投影レンズ、６は撮
像素子、２６はグレースケール部、３２は直線チ
ヤート部である。
FIG. 1 is a schematic diagram of an optical system according to an embodiment of the present invention.
FIG. 2 is an explanatory diagram of a part of FIG. 1, and FIG. 3 is an explanatory diagram of another embodiment of the test pattern according to the present invention. In the figure, 1 is a light source, 2 is a condenser lens,
10 is a test pattern, 3 is a halftone pattern part, 4
, 30 is an optical path length adjustment section, 5 is a projection lens, 6 is an image pickup device, 26 is a gray scale section, and 32 is a linear chart section.
Claims (1)
投影するテストパターン投影装置において、前記
テストパターンは一平面上に網点を配置したグレ
ースケール部を有する網点パターン部と該網点パ
ターン部のグレースケール部を通過する光束と他
の部分を通過する光束との光学的光路長を異なら
しめる光路長調整部とを有していることを特徴と
するテストパターン投影装置。 In a test pattern projection device that projects a test pattern onto a predetermined surface using a projection lens, the test pattern includes a halftone dot pattern section having a grayscale section in which halftone dots are arranged on one plane, and a grayscale section of the halftone dot pattern section. 1. A test pattern projection device comprising: an optical path length adjustment section that makes the optical path length of a light beam passing through the area different from that of a light beam passing through another part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6212886U JPS62173889U (en) | 1986-04-24 | 1986-04-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6212886U JPS62173889U (en) | 1986-04-24 | 1986-04-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62173889U true JPS62173889U (en) | 1987-11-05 |
Family
ID=30896104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6212886U Pending JPS62173889U (en) | 1986-04-24 | 1986-04-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62173889U (en) |
-
1986
- 1986-04-24 JP JP6212886U patent/JPS62173889U/ja active Pending
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