JPH0248980U - - Google Patents
Info
- Publication number
- JPH0248980U JPH0248980U JP12911088U JP12911088U JPH0248980U JP H0248980 U JPH0248980 U JP H0248980U JP 12911088 U JP12911088 U JP 12911088U JP 12911088 U JP12911088 U JP 12911088U JP H0248980 U JPH0248980 U JP H0248980U
- Authority
- JP
- Japan
- Prior art keywords
- display
- filter
- fresnel lens
- concaves
- convexes
- 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
- 208000003464 asthenopia Diseases 0.000 claims 1
Landscapes
- Transforming Electric Information Into Light Information (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第１図は本考案の一実施例にかかるデイスプレ
イ用フイルタを示す部分断面図、第２図は第１図
におけるフイルタ本体２をデイスプレイ本体１に
取り付けるための構成例を示す斜視図、第３図は
第２図における一部分を分解して示した部分分解
図である。
１…デイスプレイ本体、２…フイルタ本体、２
ａ…フイルタ本体２にフレネルレンズを形成する
ための円環状凹凸部。
FIG. 1 is a partial sectional view showing a display filter according to an embodiment of the present invention, FIG. 2 is a perspective view showing an example of a configuration for attaching the filter body 2 in FIG. 1 to the display body 1, and FIG. 2 is a partially exploded view showing a part of FIG. 2; FIG. 1...Display body, 2...Filter body, 2
a...An annular concavo-convex portion for forming a Fresnel lens on the filter body 2.
Claims (1)
みながら作業する作業者の目の疲労を緩和するデ
イスプレイ用フイルタにおいて、 該フイルタをフレネルレンズで構成するととも
に、該フイルタのフレネルレンズを構成するため
の凹凸が形成されている面を前記デイスプレイに
向けて配置してなることを特徴としたデイスプレ
イ用フイルタ。[Scope of Claim for Utility Model Registration] A display filter that is placed in front of the display to alleviate eye fatigue of workers who work while looking at the display, the filter comprising a Fresnel lens, and a Fresnel lens of the filter. 1. A display filter, characterized in that a surface on which concaves and convexes are formed to face the display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12911088U JPH0248980U (en) | 1988-09-30 | 1988-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12911088U JPH0248980U (en) | 1988-09-30 | 1988-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0248980U true JPH0248980U (en) | 1990-04-05 |
Family
ID=31383081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12911088U Pending JPH0248980U (en) | 1988-09-30 | 1988-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0248980U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6241179B2 (en) * | 1983-09-16 | 1987-09-01 | Nippon Chemical Ind |
-
1988
- 1988-09-30 JP JP12911088U patent/JPH0248980U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6241179B2 (en) * | 1983-09-16 | 1987-09-01 | Nippon Chemical Ind |