JPS61201191U - - Google Patents
Info
- Publication number
- JPS61201191U JPS61201191U JP8229385U JP8229385U JPS61201191U JP S61201191 U JPS61201191 U JP S61201191U JP 8229385 U JP8229385 U JP 8229385U JP 8229385 U JP8229385 U JP 8229385U JP S61201191 U JPS61201191 U JP S61201191U
- Authority
- JP
- Japan
- Prior art keywords
- infrared
- emitter
- receiver
- pulsed light
- alarm
- 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
- 238000002834 transmittance Methods 0.000 claims 2
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Burglar Alarm Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8229385U JPH0445110Y2 (fi) | 1985-05-30 | 1985-05-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8229385U JPH0445110Y2 (fi) | 1985-05-30 | 1985-05-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61201191U true JPS61201191U (fi) | 1986-12-17 |
| JPH0445110Y2 JPH0445110Y2 (fi) | 1992-10-23 |
Family
ID=30629879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8229385U Expired JPH0445110Y2 (fi) | 1985-05-30 | 1985-05-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0445110Y2 (fi) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63313299A (ja) * | 1987-06-16 | 1988-12-21 | Matsushita Electric Works Ltd | 赤外線防犯検知器 |
| WO2006106732A1 (ja) * | 2005-03-30 | 2006-10-12 | Optex Co., Ltd. | 防霜用段差を有する防犯用センサ装置 |
-
1985
- 1985-05-30 JP JP8229385U patent/JPH0445110Y2/ja not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63313299A (ja) * | 1987-06-16 | 1988-12-21 | Matsushita Electric Works Ltd | 赤外線防犯検知器 |
| WO2006106732A1 (ja) * | 2005-03-30 | 2006-10-12 | Optex Co., Ltd. | 防霜用段差を有する防犯用センサ装置 |
| US7633067B2 (en) | 2005-03-30 | 2009-12-15 | Optex Co., Ltd. | Security sensor device having frost protective step |
| JP4748736B2 (ja) * | 2005-03-30 | 2011-08-17 | オプテックス株式会社 | 防霜用段差を有する防犯用センサ装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0445110Y2 (fi) | 1992-10-23 |