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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17315787U JPH0616068Y2 (ja) | 1987-11-12 | 1987-11-12 | 来客等の確認窓 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17315787U JPH0616068Y2 (ja) | 1987-11-12 | 1987-11-12 | 来客等の確認窓 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0176992U true JPH0176992U (fr) | 1989-05-24 |
| JPH0616068Y2 JPH0616068Y2 (ja) | 1994-04-27 |
Family
ID=31465092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17315787U Expired - Lifetime JPH0616068Y2 (ja) | 1987-11-12 | 1987-11-12 | 来客等の確認窓 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0616068Y2 (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007132519A1 (fr) * | 2006-05-15 | 2007-11-22 | Img Corporation | Procédé et dispositif destinés à la prévention criminelle et équipement doté du dispositif |
| JP2016212298A (ja) * | 2015-05-11 | 2016-12-15 | 大日本印刷株式会社 | プライバシー保護装置 |
-
1987
- 1987-11-12 JP JP17315787U patent/JPH0616068Y2/ja not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007132519A1 (fr) * | 2006-05-15 | 2007-11-22 | Img Corporation | Procédé et dispositif destinés à la prévention criminelle et équipement doté du dispositif |
| JPWO2007132519A1 (ja) * | 2006-05-15 | 2009-09-17 | 株式会社アイ・エム・ジー | 防犯方法、防犯装置及び防犯装置付設備 |
| JP2016212298A (ja) * | 2015-05-11 | 2016-12-15 | 大日本印刷株式会社 | プライバシー保護装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0616068Y2 (ja) | 1994-04-27 |