JP4576525B2 - 防犯センサ - Google Patents
防犯センサ Download PDFInfo
- Publication number
- JP4576525B2 JP4576525B2 JP2004138126A JP2004138126A JP4576525B2 JP 4576525 B2 JP4576525 B2 JP 4576525B2 JP 2004138126 A JP2004138126 A JP 2004138126A JP 2004138126 A JP2004138126 A JP 2004138126A JP 4576525 B2 JP4576525 B2 JP 4576525B2
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- 238000001514 detection method Methods 0.000 claims description 87
- 230000035945 sensitivity Effects 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims 1
- 230000002123 temporal effect Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 description 24
- 230000003321 amplification Effects 0.000 description 13
- 238000003199 nucleic acid amplification method Methods 0.000 description 13
- 230000007423 decrease Effects 0.000 description 10
- 238000013459 approach Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/19—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems
- G08B13/193—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems using focusing means
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/02—Monitoring continuously signalling or alarm systems
- G08B29/04—Monitoring of the detection circuits
- G08B29/046—Monitoring of the detection circuits prevention of tampering with detection circuits
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Burglar Alarm Systems (AREA)
Description
図1は、本発明の第1実施形態に係る防犯センサの斜視図を示す。この防犯センサ1は、天井や壁面に取り付けられるベース2と、このベース2に取り付けられてベース2の前面を覆うケース3とを備えた本体4の内部に、受動型の遠赤外線検出素子5を収容している。前記ケース3は、ベース2にねじ止め(図示せず)により着脱可能に固定されている。
5…遠赤外線の検出素子
6…カバー
7…妨害物
9…導光部材
11…送信素子
12…受信素子
15…受光信号処理回路
16…侵入検出回路
20,20A,50…第1調整回路
22…受信信号処理回路
23…妨害検出回路
24…チェック回路
25…タイマ
26…第1増幅率調整回路
28…投光量調整回路
30…汚れ警報回路
40,60…第2調整回路
41…第2増幅率調整回路
51,62…閾値調整回路
a1…第1増幅率調整信号
a2…第2増幅率調整信号
L1…妨害物検知用光線
L2…反射光(2次線)
Claims (3)
- 侵入者からの赤外線を検出する赤外線検出素子と、
前記検出素子の前面を覆うカバーと、
前記カバーに向けて妨害検知線を送信する送信素子と、
前記カバーで反射またはこれを透過した前記妨害検知線の2次線を受信する受信素子と、
前記受信素子の受信レベルを所定の時間間隔でチェックするチェック回路と、
前記受信素子の受信レベルが妨害検出閾値に近づいたとき、前記受信素子の受信レベルが前記妨害検出閾値から遠ざかるように、前記送信素子の送信レベルもしくは受信素子の受信レベル、または前記妨害検出閾値を調整する第1調整回路と、
前記赤外線検出素子の受光信号を処理する処理回路を前記第1調整回路の動作に連動して調整することにより、前記侵入者の検出感度を所望値に近づける第2調整回路とを備えた防犯センサ。 - 請求項1において、さらに、前記受信素子の経時的な受信レベルの変化率が一定値を越えたとき警報信号を出力させる汚れ報知回路を備えた防犯センサ。
- 請求項1または2において、前記送信素子および受信素子は前記カバーの内側に配置されており、前記受信素子が前記カバーで反射した2次線を受信する防犯センサ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004138126A JP4576525B2 (ja) | 2004-05-07 | 2004-05-07 | 防犯センサ |
EP20050252717 EP1594099B1 (en) | 2004-05-07 | 2005-04-29 | Security sensor assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004138126A JP4576525B2 (ja) | 2004-05-07 | 2004-05-07 | 防犯センサ |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005321917A JP2005321917A (ja) | 2005-11-17 |
JP2005321917A5 JP2005321917A5 (ja) | 2007-06-14 |
JP4576525B2 true JP4576525B2 (ja) | 2010-11-10 |
Family
ID=34941128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004138126A Expired - Lifetime JP4576525B2 (ja) | 2004-05-07 | 2004-05-07 | 防犯センサ |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1594099B1 (ja) |
JP (1) | JP4576525B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7414236B2 (en) * | 2006-06-16 | 2008-08-19 | Hong Kong Applied Science And Technology Research Institute Co., Ltd. | Monitoring devices and intrusion surveillance devices |
JP5902006B2 (ja) * | 2012-03-09 | 2016-04-13 | 株式会社メガチップス | 監視カメラ |
JP5896807B2 (ja) * | 2012-03-29 | 2016-03-30 | 株式会社メガチップス | 監視カメラ装置 |
JP7397266B2 (ja) * | 2019-10-25 | 2023-12-13 | 竹中エンジニアリング株式会社 | 視野妨害監視機能付き検知装置 |
WO2023119659A1 (ja) * | 2021-12-24 | 2023-06-29 | オプテックス株式会社 | 検知センサ |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10320660A (ja) * | 1997-05-14 | 1998-12-04 | Nippon Aleph Corp | 検知装置 |
JPH11126282A (ja) * | 1997-10-22 | 1999-05-11 | Matsushita Electric Works Ltd | 防犯検知器 |
JP2001101541A (ja) * | 1999-09-30 | 2001-04-13 | Matsushita Electric Works Ltd | 火災感知器 |
JP2002024952A (ja) * | 2000-07-06 | 2002-01-25 | Optex Co Ltd | 妨害検知機能付き防犯センサ |
JP2003016546A (ja) * | 2001-06-29 | 2003-01-17 | Nittan Co Ltd | 光電分離型煙感知器および防災システム |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1061489B1 (de) * | 1999-06-07 | 2004-08-25 | Siemens Building Technologies AG | Intrusionsmelder mit einer Einrichtung zur Sabotageüberwachung |
ES2226259T3 (es) * | 1999-10-14 | 2005-03-16 | Siemens Building Technologies Ag | Detector infrarrojo pasivo. |
-
2004
- 2004-05-07 JP JP2004138126A patent/JP4576525B2/ja not_active Expired - Lifetime
-
2005
- 2005-04-29 EP EP20050252717 patent/EP1594099B1/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10320660A (ja) * | 1997-05-14 | 1998-12-04 | Nippon Aleph Corp | 検知装置 |
JPH11126282A (ja) * | 1997-10-22 | 1999-05-11 | Matsushita Electric Works Ltd | 防犯検知器 |
JP2001101541A (ja) * | 1999-09-30 | 2001-04-13 | Matsushita Electric Works Ltd | 火災感知器 |
JP2002024952A (ja) * | 2000-07-06 | 2002-01-25 | Optex Co Ltd | 妨害検知機能付き防犯センサ |
JP2003016546A (ja) * | 2001-06-29 | 2003-01-17 | Nittan Co Ltd | 光電分離型煙感知器および防災システム |
Also Published As
Publication number | Publication date |
---|---|
EP1594099B1 (en) | 2008-04-30 |
EP1594099A1 (en) | 2005-11-09 |
JP2005321917A (ja) | 2005-11-17 |
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