JP4576285B2 - 曝露量測定装置 - Google Patents
曝露量測定装置 Download PDFInfo
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- JP4576285B2 JP4576285B2 JP2005130777A JP2005130777A JP4576285B2 JP 4576285 B2 JP4576285 B2 JP 4576285B2 JP 2005130777 A JP2005130777 A JP 2005130777A JP 2005130777 A JP2005130777 A JP 2005130777A JP 4576285 B2 JP4576285 B2 JP 4576285B2
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- magnetic field
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Description
fc1=1/(2×π×R1×(C1+C2)) ・・・・・・(1)
fc2=1/(2×π×R2×C2) ・・・・・・(2)
fc3=1/(2×π×R2×C1) ・・・・・・(3)
2a,2b,2c 検出コイル
3a,3b,3c 増幅部
6 処理部
S1,S2,S3 電圧信号(第1の電圧信号)
S4,S5,S6 電圧信号(第2の電圧信号)
D7 合成曝露量
D8 合成磁界強度
Claims (2)
- 磁界強度の時間的変化を検出すると共に当該磁界強度の時間的変化に比例した振幅の第1の電圧信号を出力する磁界検出部と、
1つの演算増幅器と当該演算増幅器のフィードバックループ内に配設された複数の電気素子とで構成されて、前記第1の電圧信号を積分すると共に磁界についての周波数毎に予め決められている基準値の逆数の値に一致する伝達特性で規定された利得で増幅して第2の電圧信号を出力する増幅部と、
前記基準値と同じ磁界強度の磁界が前記磁界検出部に入力されたときに前記第2電圧信号の値と同一となる値を基準曝露値として予め記憶すると共に、当該記憶している基準曝露値で前記第2の電圧信号の値を除算することにより、当該基準曝露値に対する前記磁界検出部に入力された前記磁界の磁界強度の割合である曝露量を算出する処理部とを備えている曝露量測定装置。 - 前記第1の電圧信号を積分して前記磁界強度を示す第3の電圧信号を生成する積分器を備えている請求項1記載の曝露量測定装置。
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JP2005130777A JP4576285B2 (ja) | 2005-04-28 | 2005-04-28 | 曝露量測定装置 |
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JP2005130777A JP4576285B2 (ja) | 2005-04-28 | 2005-04-28 | 曝露量測定装置 |
Publications (2)
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JP2006308405A JP2006308405A (ja) | 2006-11-09 |
JP4576285B2 true JP4576285B2 (ja) | 2010-11-04 |
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JP2005130777A Active JP4576285B2 (ja) | 2005-04-28 | 2005-04-28 | 曝露量測定装置 |
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JP (1) | JP4576285B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102273079A (zh) * | 2009-01-08 | 2011-12-07 | 松下电器产业株式会社 | 积分器电路及具备该积分器电路的δς调制器 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0493782A (ja) * | 1990-08-09 | 1992-03-26 | Seiko Instr Inc | 三次元積分磁束計 |
JPH05264682A (ja) * | 1991-12-24 | 1993-10-12 | Central Res Inst Of Electric Power Ind | 磁界暴露量計 |
JP2000121683A (ja) * | 1998-10-13 | 2000-04-28 | Ricoh Co Ltd | 積分による出力信号処理システムを有する近磁界プローブ |
JP2000275288A (ja) * | 1999-03-29 | 2000-10-06 | Ricoh Co Ltd | 近磁界プローブ及び計測システム |
JP2001235496A (ja) * | 2000-01-10 | 2001-08-31 | Narda Safety Test Solutions Gmbh | 低周波電界または磁界内の放射を規格に応じて評価する方法およびそのための装置 |
-
2005
- 2005-04-28 JP JP2005130777A patent/JP4576285B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0493782A (ja) * | 1990-08-09 | 1992-03-26 | Seiko Instr Inc | 三次元積分磁束計 |
JPH05264682A (ja) * | 1991-12-24 | 1993-10-12 | Central Res Inst Of Electric Power Ind | 磁界暴露量計 |
JP2000121683A (ja) * | 1998-10-13 | 2000-04-28 | Ricoh Co Ltd | 積分による出力信号処理システムを有する近磁界プローブ |
JP2000275288A (ja) * | 1999-03-29 | 2000-10-06 | Ricoh Co Ltd | 近磁界プローブ及び計測システム |
JP2001235496A (ja) * | 2000-01-10 | 2001-08-31 | Narda Safety Test Solutions Gmbh | 低周波電界または磁界内の放射を規格に応じて評価する方法およびそのための装置 |
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