JP4710886B2 - 防犯検知装置 - Google Patents
防犯検知装置 Download PDFInfo
- Publication number
- JP4710886B2 JP4710886B2 JP2007204486A JP2007204486A JP4710886B2 JP 4710886 B2 JP4710886 B2 JP 4710886B2 JP 2007204486 A JP2007204486 A JP 2007204486A JP 2007204486 A JP2007204486 A JP 2007204486A JP 4710886 B2 JP4710886 B2 JP 4710886B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- light
- light receiving
- light projecting
- unit
- 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.)
- Expired - Fee Related
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- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Burglar Alarm Systems (AREA)
Description
2 受光部
3 ユニット本体
11 発光素子
12 受光素子
13 投光用レンズ
14 受光用レンズ
15 レンズカバー
18 内側レンズ
19 外側レンズ
20 レンズカバー
Claims (1)
- ユニット本体内に、投光用レンズ及び発光素子を有する投光部と、受光用レンズ及び受光素子を有する受光部とを、背中合わせに備えて成る防犯検知装置において、前記投光用レンズは、内側が凸で外側が平坦な片凸レンズを、ユニット本体の外面と面一になるように外部に露出させて設けたものであり、前記受光用レンズは、外側レンズと内側レンズとからなり、前記外側レンズは、内側が凸で外側が平坦な片凸レンズをユニット本体の外面と面一になるように外部に露出させて設けたものであり、これの内側にある前記内側レンズは、両凸レンズとして設けたものであり、これにより投光部側の焦点距離を受光部側の焦点距離よりも長く設けたことを特徴とする防犯検知装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007204486A JP4710886B2 (ja) | 2007-08-06 | 2007-08-06 | 防犯検知装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007204486A JP4710886B2 (ja) | 2007-08-06 | 2007-08-06 | 防犯検知装置 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004194483A Division JP4096921B2 (ja) | 2004-06-30 | 2004-06-30 | 防犯検知装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007299429A JP2007299429A (ja) | 2007-11-15 |
JP4710886B2 true JP4710886B2 (ja) | 2011-06-29 |
Family
ID=38768804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2007204486A Expired - Fee Related JP4710886B2 (ja) | 2007-08-06 | 2007-08-06 | 防犯検知装置 |
Country Status (1)
Country | Link |
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JP (1) | JP4710886B2 (ja) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0325220A (ja) * | 1989-06-23 | 1991-02-04 | Toshiba Corp | 電子レンジ |
JPH06201456A (ja) * | 1993-01-06 | 1994-07-19 | Matsushita Electric Ind Co Ltd | 光電センサ |
JPH09311072A (ja) * | 1996-05-23 | 1997-12-02 | Horiba Ltd | 赤外線検出器 |
JP2002279562A (ja) * | 2001-03-21 | 2002-09-27 | Optex Co Ltd | 警報システム |
JP2003005067A (ja) * | 2001-06-27 | 2003-01-08 | Minolta Co Ltd | 光ピックアップ用対物レンズ |
JP2003317585A (ja) * | 2002-04-26 | 2003-11-07 | Sunx Ltd | エリアセンサ |
-
2007
- 2007-08-06 JP JP2007204486A patent/JP4710886B2/ja not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0325220A (ja) * | 1989-06-23 | 1991-02-04 | Toshiba Corp | 電子レンジ |
JPH06201456A (ja) * | 1993-01-06 | 1994-07-19 | Matsushita Electric Ind Co Ltd | 光電センサ |
JPH09311072A (ja) * | 1996-05-23 | 1997-12-02 | Horiba Ltd | 赤外線検出器 |
JP2002279562A (ja) * | 2001-03-21 | 2002-09-27 | Optex Co Ltd | 警報システム |
JP2003005067A (ja) * | 2001-06-27 | 2003-01-08 | Minolta Co Ltd | 光ピックアップ用対物レンズ |
JP2003317585A (ja) * | 2002-04-26 | 2003-11-07 | Sunx Ltd | エリアセンサ |
Also Published As
Publication number | Publication date |
---|---|
JP2007299429A (ja) | 2007-11-15 |
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