JPH02658U - - Google Patents
Info
- Publication number
- JPH02658U JPH02658U JP7693088U JP7693088U JPH02658U JP H02658 U JPH02658 U JP H02658U JP 7693088 U JP7693088 U JP 7693088U JP 7693088 U JP7693088 U JP 7693088U JP H02658 U JPH02658 U JP H02658U
- Authority
- JP
- Japan
- Prior art keywords
- dark box
- illumination means
- observation window
- test surface
- photographing
- 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
- 238000011156 evaluation Methods 0.000 claims description 5
- 238000005286 illumination Methods 0.000 claims description 5
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
第１図乃至第３図はこの考案における第１実施
例であり、第１図は鮮映性評価装置の側断面図、
第２図は撮影カメラの焦点距離の状態を示す側面
図、第３図は撮影カメラの焦点距離の他の状態を
示す側面図、第４図はこの考案における第２実施
例における鮮映性評価装置の側断面図、第５図は
従来における鮮映性評価装置の側断面図、第６図
は基準板にプリントされたスリツトの例を示す平
面図、第７図は試験面に映しだされたスリツト形
状を示す平面図である。
８……暗ボツクス、９……観察窓、１０……ボ
デイー（試験面）、１２……ランプ（照明手段）
、１４……ストロボ装置（照明手段）、１５……
撮影カメラ（撮影機構）、２０……基準板。
1 to 3 show the first embodiment of this invention, and FIG. 1 is a side sectional view of the sharpness evaluation device;
Figure 2 is a side view showing the focal length of the camera, Figure 3 is a side view showing other focal lengths of the camera, and Figure 4 is an evaluation of sharpness in the second embodiment of this invention. Fig. 5 is a side sectional view of a conventional image sharpness evaluation device, Fig. 6 is a plan view showing an example of slits printed on a reference plate, and Fig. 7 is a slit printed on a test surface. FIG. 3 is a plan view showing a slit shape. 8...Dark box, 9...Observation window, 10...Body (test surface), 12...Lamp (illumination means)
, 14... Strobe device (illumination means), 15...
Photographing camera (photographing mechanism), 20... reference plate.
Claims (1)
ボツクスと、この暗ボツクスの一部に形成され試
験面に対向する観察窓と、上記暗ボツクス内に設
けられた照明手段と、この照明手段からの光を上
記観察窓へ向けて幅および間隔の異なるスリツト
状の投影形状にして反射する基準板と、上記暗ボ
ツクス内に設けられて上記照明手段から発光され
た後基準板に反射され上記観察窓を通して試験面
に反射された鮮映性の評価基準となる光影形状を
写真撮影する写真撮影機構とを具備することを特
徴とする鮮映性評価装置。 A dark box whose inner surface is configured to prevent light reflection, an observation window formed in a part of the dark box and facing the test surface, an illumination means provided in the dark box, and the illumination means A reference plate is provided in the dark box and reflects the light from the illumination means to the observation window in the form of slit-shaped projections having different widths and intervals; A sharpness evaluation device comprising: a photographing mechanism for photographing a light shadow shape reflected on a test surface through an observation window and serving as a sharpness evaluation standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7693088U JPH02658U (en) | 1988-06-10 | 1988-06-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7693088U JPH02658U (en) | 1988-06-10 | 1988-06-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02658U true JPH02658U (en) | 1990-01-05 |
Family
ID=31301936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7693088U Pending JPH02658U (en) | 1988-06-10 | 1988-06-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02658U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59202045A (en) * | 1983-05-02 | 1984-11-15 | Suga Shikenki Kk | Discrimination of luster effect |
| JPS628042A (en) * | 1985-07-04 | 1987-01-16 | Nissan Motor Co Ltd | Method for judging surface sharpness of painted article |
-
1988
- 1988-06-10 JP JP7693088U patent/JPH02658U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59202045A (en) * | 1983-05-02 | 1984-11-15 | Suga Shikenki Kk | Discrimination of luster effect |
| JPS628042A (en) * | 1985-07-04 | 1987-01-16 | Nissan Motor Co Ltd | Method for judging surface sharpness of painted article |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH02658U (en) | ||
| JPS62149036U (en) | ||
| JPS62201743U (en) | ||
| JPS5974354U (en) | Line optical head | |
| JPS6390223U (en) | ||
| JPH0358667U (en) | ||
| JPS634539U (en) | ||
| JPS6425259U (en) | ||
| JPH0373070U (en) | ||
| JPS62151530U (en) | ||
| JPS6321638U (en) | ||
| JPS6343130U (en) | ||
| JPS62116247U (en) | ||
| JPH0351435U (en) | ||
| JPH0337439U (en) | ||
| JPS61105844U (en) | ||
| JPS62154448U (en) | ||
| JPS62155559U (en) | ||
| JPS61106936U (en) | ||
| JPH01108527U (en) | ||
| JPH02147966U (en) | ||
| JPS61148052U (en) | ||
| JPS58138008U (en) | Dimension measuring device | |
| JPH02100251U (en) | ||
| JPH0329966U (en) |