JP4433879B2 - 防犯センサ - Google Patents
防犯センサ Download PDFInfo
- Publication number
- JP4433879B2 JP4433879B2 JP2004155291A JP2004155291A JP4433879B2 JP 4433879 B2 JP4433879 B2 JP 4433879B2 JP 2004155291 A JP2004155291 A JP 2004155291A JP 2004155291 A JP2004155291 A JP 2004155291A JP 4433879 B2 JP4433879 B2 JP 4433879B2
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- Prior art keywords
- unit
- fence
- sensor
- type detection
- detection unit
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- Burglar Alarm Systems (AREA)
Description
2 ビーム方式検知ユニット
3 ビームセンサ部
31 送信部
32 受信部
4 赤外線センサユニット
5 フェンス
6 支柱
Z 侵入者
Claims (1)
- ビームセンサ部を具備するビーム方式検知ユニットの複数が建物の周囲に配設されたフェンスよりも上部に位置するように、かつ、一対のビーム方式検知ユニットが適宜間隔で対向配設されて、対向する一方のビーム方式検知ユニットのビームセンサ部と他方のビーム方式検知ユニットのビームセンサ部との間で赤外線の送受を行う防犯センサにおいて、対向する前記ビーム方式検知ユニットは、それぞれ、更に、フェンスの外側または内側近傍に対して、下方向または斜め下方向に赤外線を放射する反射型赤外線センサユニットを備え、対向する前記ビーム方式検知ユニット間で送受される赤外線信号の遮断と、前記反射型赤外線センサユニットの受信レベルの変化とが段階的に発生した場合に、侵入者を検知することを特徴とする防犯センサ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004155291A JP4433879B2 (ja) | 2004-05-25 | 2004-05-25 | 防犯センサ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004155291A JP4433879B2 (ja) | 2004-05-25 | 2004-05-25 | 防犯センサ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005339065A JP2005339065A (ja) | 2005-12-08 |
JP4433879B2 true JP4433879B2 (ja) | 2010-03-17 |
Family
ID=35492585
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004155291A Expired - Fee Related JP4433879B2 (ja) | 2004-05-25 | 2004-05-25 | 防犯センサ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4433879B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100950923B1 (ko) * | 2008-04-08 | 2010-04-01 | 주식회사 세명전자 | 옥외용 외곽 경계 침입 감지장치 및 방법 |
CN107195065B (zh) * | 2017-07-19 | 2019-08-27 | 英华达(上海)科技有限公司 | 围栏系统及围栏设置方法 |
-
2004
- 2004-05-25 JP JP2004155291A patent/JP4433879B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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JP2005339065A (ja) | 2005-12-08 |
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