JP5158955B2 - 熱線センサの信号処理回路 - Google Patents
熱線センサの信号処理回路 Download PDFInfo
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- JP5158955B2 JP5158955B2 JP2008174596A JP2008174596A JP5158955B2 JP 5158955 B2 JP5158955 B2 JP 5158955B2 JP 2008174596 A JP2008174596 A JP 2008174596A JP 2008174596 A JP2008174596 A JP 2008174596A JP 5158955 B2 JP5158955 B2 JP 5158955B2
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- signal processing
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- heat ray
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図1〜図4は、本発明に係わる信号処理回路の一実施形態を示し、図1がそのブロック図、図2が信号処理部の回路図、図3が各スイッチの開閉タイミングを示す図、図4が信号処理部の周波数特性を示す図である。
Claims (1)
- 複数の熱線センサ素子から出力される各信号を処理する熱線センサの信号処理回路であって、
少なくとも1つの第1の熱線センサ素子から出力される信号を処理する少なくとも1つの第1の信号処理部と、複数の第2の熱線センサ素子から出力される各信号を選択的に入力して処理する第2の信号処理部と、を備え、
前記第1の信号処理部と第2の信号処理部が異なる周波数特性を有し、第1の信号処理部の周波数特性が第2の信号処理部の周波数特性より狭帯域であることを特徴とする熱線センサの信号処理回路。
Priority Applications (1)
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JP2008174596A JP5158955B2 (ja) | 2008-07-03 | 2008-07-03 | 熱線センサの信号処理回路 |
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JP2008174596A JP5158955B2 (ja) | 2008-07-03 | 2008-07-03 | 熱線センサの信号処理回路 |
Publications (2)
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JP2010014537A JP2010014537A (ja) | 2010-01-21 |
JP5158955B2 true JP5158955B2 (ja) | 2013-03-06 |
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JP2008174596A Active JP5158955B2 (ja) | 2008-07-03 | 2008-07-03 | 熱線センサの信号処理回路 |
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JP (1) | JP5158955B2 (ja) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0675059A (ja) * | 1992-08-25 | 1994-03-18 | Atsumi Denki Kk | 熱線センサシステム |
JP3086406B2 (ja) * | 1995-10-04 | 2000-09-11 | オプテックス株式会社 | 受動型赤外線式人体検知装置 |
JPH09115064A (ja) * | 1995-10-19 | 1997-05-02 | Atsumi Electron Corp Ltd | 熱線センサの信号処理回路 |
JP4089929B2 (ja) * | 1998-11-02 | 2008-05-28 | アツミ電氣株式会社 | 熱線センサの増幅回路 |
JP2002310788A (ja) * | 2001-04-10 | 2002-10-23 | Atsumi Electric Co Ltd | 熱線センサシステム |
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- 2008-07-03 JP JP2008174596A patent/JP5158955B2/ja active Active
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