JPH0285416U - - Google Patents
Info
- Publication number
- JPH0285416U JPH0285416U JP16407788U JP16407788U JPH0285416U JP H0285416 U JPH0285416 U JP H0285416U JP 16407788 U JP16407788 U JP 16407788U JP 16407788 U JP16407788 U JP 16407788U JP H0285416 U JPH0285416 U JP H0285416U
- Authority
- JP
- Japan
- Prior art keywords
- loupe
- air layer
- transparent cover
- underwater
- utility
- 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
Landscapes
- Lenses (AREA)
Description
図面は本考案の実施例を示すもので、第１図は
透明カバーの一部を切除した斜視図、第２図は拡
大断面図、第３図は変更実施例の拡大断面図であ
る。
１……フレネルレンズ、２……透明カバー、４
……空気層、８，９……球面レンズ、１０……空
気層。
The drawings show an embodiment of the present invention; FIG. 1 is a partially cut away perspective view of a transparent cover, FIG. 2 is an enlarged sectional view, and FIG. 3 is an enlarged sectional view of a modified embodiment. 1... Fresnel lens, 2... Transparent cover, 4
...air layer, 8,9...spherical lens, 10...air layer.
Claims (1)
を被せることを特徴とする水中用ルーペ。 An underwater loupe characterized by a transparent cover covering the lens surface of the loupe via an air layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16407788U JPH0285416U (en) | 1988-12-20 | 1988-12-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16407788U JPH0285416U (en) | 1988-12-20 | 1988-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0285416U true JPH0285416U (en) | 1990-07-04 |
Family
ID=31449369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16407788U Pending JPH0285416U (en) | 1988-12-20 | 1988-12-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0285416U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005102830A1 (en) * | 2004-03-31 | 2005-11-03 | Hit Design Ltd. | Underwater mask having wide field of view |
-
1988
- 1988-12-20 JP JP16407788U patent/JPH0285416U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005102830A1 (en) * | 2004-03-31 | 2005-11-03 | Hit Design Ltd. | Underwater mask having wide field of view |