JP2018163036A - 電波拡散板 - Google Patents
電波拡散板 Download PDFInfo
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- JP2018163036A JP2018163036A JP2017060374A JP2017060374A JP2018163036A JP 2018163036 A JP2018163036 A JP 2018163036A JP 2017060374 A JP2017060374 A JP 2017060374A JP 2017060374 A JP2017060374 A JP 2017060374A JP 2018163036 A JP2018163036 A JP 2018163036A
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Abstract
【解決手段】電波送受信手段及び電波反射板を備えた侵入者検知システムの前記電波反射板近傍に設置する電波拡散板であって、前記電波反射板近傍に設置された金属製障害物の、電波送信手段に対向した側である前面に覆設され、送信された電波を前記電波受信手段の方向以外の方向に拡散させる反射角度を有し、電波反射可能な材料からなる電波拡散板により課題解決できた。
【選択図】 図13
Description
2 侵入者検知システム
3 電波送受信手段
4 電波反射板
5 金属製障害物
6 電波
10 監視領域
20 侵入者
21 通行人
S 閾値
Claims (2)
- 電波送受信手段及び電波反射板を備えた侵入者検知システムの前記電波反射板近傍に設置する電波拡散板であって、
前記電波反射板近傍に設置された金属製障害物の、電波送信手段に対向した側である前面に覆設され、送信された電波を前記電波受信手段の方向以外の方向に拡散させる反射角度を有し、電波反射可能な材料からなることを特徴とする電波拡散板。 - 前記反射角度を有する形態が、平面視で前記電波送受信手段方向に稜線を向けた山型形状、又は、前記電波送受信手段方向に対して傾斜面形状とすることを特徴とする請求項1に記載の電波拡散板。
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JP2017060374A JP6868432B2 (ja) | 2017-03-27 | 2017-03-27 | 電波拡散板 |
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JP2017060374A JP6868432B2 (ja) | 2017-03-27 | 2017-03-27 | 電波拡散板 |
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JP2018163036A true JP2018163036A (ja) | 2018-10-18 |
JP6868432B2 JP6868432B2 (ja) | 2021-05-12 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110794462A (zh) * | 2019-11-06 | 2020-02-14 | 广东博智林机器人有限公司 | 建筑工地安全监测系统及其监测方法、装置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110794462A (zh) * | 2019-11-06 | 2020-02-14 | 广东博智林机器人有限公司 | 建筑工地安全监测系统及其监测方法、装置 |
CN110794462B (zh) * | 2019-11-06 | 2021-08-03 | 广东博智林机器人有限公司 | 建筑工地安全监测系统及其监测方法、装置 |
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