JPS6281940U - - Google Patents
Info
- Publication number
- JPS6281940U JPS6281940U JP17330685U JP17330685U JPS6281940U JP S6281940 U JPS6281940 U JP S6281940U JP 17330685 U JP17330685 U JP 17330685U JP 17330685 U JP17330685 U JP 17330685U JP S6281940 U JPS6281940 U JP S6281940U
- Authority
- JP
- Japan
- Prior art keywords
- original
- effective
- glass
- placing
- area
- 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
- 239000011521 glass Substances 0.000 claims description 7
- 238000000149 argon plasma sintering Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
Description
第１図は本考案の原稿載置ガラスを用いる光学
系の一例を示す正面図、第２図は本考案の原稿載
置ガラスの一実施例を示す斜視図、第３図はピン
ト治具の一例を示す斜視図、第４図は本考案の他
の実施例を示す正面図、第５図は一般的なレンズ
の解像力を説明するための線図、第６図は従来の
ピント調整方法を説明する光学系の正面図、第７
図は同上の他の例を示す正面図である。
１……原稿載置ガラス、１Ａ……原稿載置有効
領域、１ａ……原稿載置面、ａ，ｂ，ｃ，ｄ，４
０ａ……散光面。
Fig. 1 is a front view showing an example of an optical system using the document placing glass of the present invention, Fig. 2 is a perspective view showing an embodiment of the document placing glass of the present invention, and Fig. 3 is a focus jig. FIG. 4 is a front view showing another embodiment of the present invention, FIG. 5 is a diagram illustrating the resolving power of a general lens, and FIG. 6 is a diagram showing a conventional focus adjustment method. Front view of the optical system to be explained, No. 7
The figure is a front view showing another example same as the above. 1...Original placement glass, 1A...Original placement effective area, 1a...Original placement surface, a, b, c, d, 4
0a... Diffusion surface.
Claims (1)
載置ガラスにおいて、原稿載置面側であつて、原
稿載置有効領域に隣接する原稿載置有効領域外に
微細凹凸面からなる散光面を形成したことを特徴
とする原稿載置ガラス。 ２ 上記散光面が、原稿載置有効領域の前縁部に
隣接する原稿載置有効領域外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
載の原稿載置ガラス。[Scope of Claim for Utility Model Registration] 1. On the original placing glass for placing the illuminated original to be copied, outside the effective original placing area on the original placing surface side and adjacent to the effective original placing area. A document mounting glass characterized in that a light scattering surface consisting of a finely uneven surface is formed on the glass. 2. The original document placement glass according to claim 1, wherein the light scattering surface is formed outside the effective document placement area adjacent to the front edge of the effective document placement area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17330685U JPS6281940U (en) | 1985-11-11 | 1985-11-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17330685U JPS6281940U (en) | 1985-11-11 | 1985-11-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6281940U true JPS6281940U (en) | 1987-05-25 |
Family
ID=31110641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17330685U Pending JPS6281940U (en) | 1985-11-11 | 1985-11-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6281940U (en) |
-
1985
- 1985-11-11 JP JP17330685U patent/JPS6281940U/ja active Pending
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