JPH0176992U - - Google Patents
Info
- Publication number
- JPH0176992U JPH0176992U JP1987173157U JP17315787U JPH0176992U JP H0176992 U JPH0176992 U JP H0176992U JP 1987173157 U JP1987173157 U JP 1987173157U JP 17315787 U JP17315787 U JP 17315787U JP H0176992 U JPH0176992 U JP H0176992U
- Authority
- JP
- Japan
- Prior art keywords
- confirmation window
- frame
- half mirror
- real image
- visitors
- 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
- 238000012790 confirmation Methods 0.000 claims description 6
Landscapes
- Optical Elements Other Than Lenses (AREA)
Description
図は本考案の実施例を示すものである。第１図
イは第１例に用いた確認窓の正面図で、ロはイの
Ａ―Ａ矢視断面図。ハは第１例の斜視図である。
第２図イは第２例に用いた確認窓の正面図で、ロ
はイのＡ―Ａ矢視断面図である。第３図は第１例
の改良例の断面を示す。イは正面上部光源付を示
し、ロは実像下方光源付の各々を示す。
The figure shows an embodiment of the invention. FIG. 1A is a front view of the confirmation window used in the first example, and FIG. C is a perspective view of the first example.
FIG. 2A is a front view of the confirmation window used in the second example, and FIG. FIG. 3 shows a cross section of an improved example of the first example. A shows a model with a front upper light source, and B shows a model with a real image bottom light source.
Claims (1)
ーフミラーを前記確認窓の枠体の幅の一方から他
方へ、又は他方から一方へ傾斜せしめて取り付け
、該ハーフミラーから前記枠体の被確認側に至る
該枠体内表面に乱反射性の高い実像を設けてなる
来客等の確認窓。 A half mirror is attached to the through-through part of the confirmation window that allows you to see from one side of the confirmation window to the other, and is tilted from one side of the width of the frame of the confirmation window to the other, or from the other side to one side, and from the half mirror to the side to be confirmed of the frame. A confirmation window for visitors, etc., which has a real image with high diffused reflection on the inner surface of the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17315787U JPH0616068Y2 (en) | 1987-11-12 | 1987-11-12 | Confirmation window for visitors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17315787U JPH0616068Y2 (en) | 1987-11-12 | 1987-11-12 | Confirmation window for visitors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0176992U true JPH0176992U (en) | 1989-05-24 |
| JPH0616068Y2 JPH0616068Y2 (en) | 1994-04-27 |
Family
ID=31465092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17315787U Expired - Lifetime JPH0616068Y2 (en) | 1987-11-12 | 1987-11-12 | Confirmation window for visitors |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0616068Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007132519A1 (en) * | 2006-05-15 | 2007-11-22 | Img Corporation | Crime preventing method, crime preventing device, and equipment with the device |
| JP2016212298A (en) * | 2015-05-11 | 2016-12-15 | 大日本印刷株式会社 | Privacy protection device |
-
1987
- 1987-11-12 JP JP17315787U patent/JPH0616068Y2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007132519A1 (en) * | 2006-05-15 | 2007-11-22 | Img Corporation | Crime preventing method, crime preventing device, and equipment with the device |
| JPWO2007132519A1 (en) * | 2006-05-15 | 2009-09-17 | 株式会社アイ・エム・ジー | Crime prevention method, crime prevention device and equipment with crime prevention device |
| JP2016212298A (en) * | 2015-05-11 | 2016-12-15 | 大日本印刷株式会社 | Privacy protection device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0616068Y2 (en) | 1994-04-27 |