JPS61124012U - - Google Patents
Info
- Publication number
- JPS61124012U JPS61124012U JP598485U JP598485U JPS61124012U JP S61124012 U JPS61124012 U JP S61124012U JP 598485 U JP598485 U JP 598485U JP 598485 U JP598485 U JP 598485U JP S61124012 U JPS61124012 U JP S61124012U
- Authority
- JP
- Japan
- Prior art keywords
- chart board
- projection
- chart
- thin
- projection chart
- 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
- 239000012780 transparent material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
Description
第１図は本考案に係るチヤート板の側面図、第
２図は本考案に係るチヤート板の作用説明用の部
分拡大図、第３図は本考案に係るチヤート板の板
厚と照明効率との関係を示すグラフ図、第４図は
従来技術の構成を示す説明図である。
６……投影用チヤート板、７……チヤート板本
体、８…拡散面、９……チヤート面、ｄ……板厚
。
Fig. 1 is a side view of the chart board according to the present invention, Fig. 2 is a partially enlarged view for explaining the operation of the chart board according to the present invention, and Fig. 3 is the thickness and lighting efficiency of the chart board according to the present invention. FIG. 4 is an explanatory diagram showing the configuration of the prior art. 6...Chart board for projection, 7...Chart board main body, 8...Diffusion surface, 9...Chart surface, d...Plate thickness.
Claims (1)
目面に、他の一面を投影用チヤート面に形成して
構成したことを特徴とする投影用チヤート板。 (2) 前記チヤート板本体は可能な範囲内で極力
薄くした薄板にて構成されている実用新案登録請
求の範囲第１項記載の投影用チヤート板。[Claims for Utility Model Registration] (1) A projection chart board, characterized in that one side of the chart board body made of a transparent material is formed into a grained surface, and the other surface is formed as a projection chart surface. (2) The projection chart board according to claim 1, wherein the chart board main body is made of a thin plate made as thin as possible.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP598485U JPS61124012U (en) | 1985-01-19 | 1985-01-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP598485U JPS61124012U (en) | 1985-01-19 | 1985-01-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61124012U true JPS61124012U (en) | 1986-08-05 |
Family
ID=30483004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP598485U Pending JPS61124012U (en) | 1985-01-19 | 1985-01-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61124012U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5036568A (en) * | 1973-08-03 | 1975-04-05 |
-
1985
- 1985-01-19 JP JP598485U patent/JPS61124012U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5036568A (en) * | 1973-08-03 | 1975-04-05 |