JPS6386618U - - Google Patents
Info
- Publication number
- JPS6386618U JPS6386618U JP18050386U JP18050386U JPS6386618U JP S6386618 U JPS6386618 U JP S6386618U JP 18050386 U JP18050386 U JP 18050386U JP 18050386 U JP18050386 U JP 18050386U JP S6386618 U JPS6386618 U JP S6386618U
- Authority
- JP
- Japan
- Prior art keywords
- guide plate
- light guide
- see
- recesses
- model registration
- 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.)
- Granted
Links
- 238000013459 approach Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
Description
図面は本考案の説明に供するもので、第１図は
本考案の透視装置の一実施例を示す一部省略断面
図、第２図は従来の透視装置に用いられる光源要
部で、光の透過する様子を示す断面図、第３図は
本考案の透視装置の一実施例を示す一部切欠斜視
図、第４図は同じく導光板の斜視図、第５図Ａは
同じく導光板の一部省略下面図、同図Ｂはその厚
さと凹所の深さを模式的に示す側面図、第６図は
、凹所の他の実施例を示す第５図Ｂと同様の図で
ある。
１１０……導光板、１１３……凹所、１２０…
…反射鏡、１３０，１４０……光源本体、１５０
……透視板。
The drawings are for explaining the present invention. Fig. 1 is a partially omitted cross-sectional view showing an embodiment of the fluoroscopic device of the present invention, and Fig. 2 is a main part of a light source used in a conventional fluoroscopic device, which emits light. 3 is a partially cutaway perspective view showing an embodiment of the see-through device of the present invention, FIG. 4 is a perspective view of a light guide plate, and FIG. 5A is a perspective view of a light guide plate. A bottom view with some parts omitted, FIG. 6B is a side view schematically showing the thickness and depth of the recess, and FIG. 6 is a view similar to FIG. 5B showing another embodiment of the recess. 110...Light guide plate, 113...Recess, 120...
... Reflector, 130, 140 ... Light source body, 150
...See-through plate.
Claims (1)
該導光板の一対の対向端面のおのおのに近接して
設けられた光源本体と、該導光板の下面に設置さ
れた反射鏡と、該導光板上に配設された半透明の
薄肉の透視板とを備え、該導光板上に載置したフ
イルム等を透視する透視装置において、前記導光
板の下面には、前記両端面より中央部に向かつて
徐々に深さが増す如く、複数の凹所を所定間隔を
おいて形成し、前記各凹所は、その全内面に微細
な凹凸を付したことを特徴とする透視装置。 (2) 前記凹所は円筒状に形成されていることを
特徴とする実用新案登録請求の範囲第１項記載の
透視装置。 (3) 前記凹所は、互いに微小な間隔をおいてチ
ドリ状に配置したことを特徴とする実用新案登録
請求の範囲第１項及び第２項のいずれか１項記載
の透視装置。 (4) おのおのの凹所の導光板上面と対向する面
が両端面から中央部に向かつて徐々に上面に接近
する傾斜面となる如く形成したことを特徴とする
実用新案登録請求の範囲第１項乃至第３項のいず
れか１項記載の透視装置。[Claims for Utility Model Registration] (1) A rectangular flat light guide plate having optical transparency;
A light source body provided close to each of the pair of opposing end surfaces of the light guide plate, a reflecting mirror installed on the lower surface of the light guide plate, and a thin translucent see-through plate disposed on the light guide plate. and a see-through device for seeing through a film or the like placed on the light guide plate, the lower surface of the light guide plate has a plurality of recesses whose depth gradually increases from both end faces toward the center. are formed at predetermined intervals, and each of the recesses has fine irregularities on its entire inner surface. (2) The see-through device according to claim 1, wherein the recess is formed in a cylindrical shape. (3) The fluoroscopic device according to any one of claims 1 and 2, wherein the recesses are arranged in a staggered pattern with minute intervals from each other. (4) Utility model registration claim 1, characterized in that the surface of each recess facing the top surface of the light guide plate is formed as an inclined surface that gradually approaches the top surface from both end surfaces toward the center. The fluoroscopic device according to any one of items 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18050386U JPH0355946Y2 (en) | 1986-11-26 | 1986-11-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18050386U JPH0355946Y2 (en) | 1986-11-26 | 1986-11-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6386618U true JPS6386618U (en) | 1988-06-06 |
| JPH0355946Y2 JPH0355946Y2 (en) | 1991-12-13 |
Family
ID=31124523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18050386U Expired JPH0355946Y2 (en) | 1986-11-26 | 1986-11-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0355946Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04126222U (en) * | 1991-05-10 | 1992-11-17 | シヤープ株式会社 | LCD lighting equipment |
-
1986
- 1986-11-26 JP JP18050386U patent/JPH0355946Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04126222U (en) * | 1991-05-10 | 1992-11-17 | シヤープ株式会社 | LCD lighting equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0355946Y2 (en) | 1991-12-13 |