JP4239742B2 - 超音波距離測定装置 - Google Patents
超音波距離測定装置 Download PDFInfo
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- JP4239742B2 JP4239742B2 JP2003283847A JP2003283847A JP4239742B2 JP 4239742 B2 JP4239742 B2 JP 4239742B2 JP 2003283847 A JP2003283847 A JP 2003283847A JP 2003283847 A JP2003283847 A JP 2003283847A JP 4239742 B2 JP4239742 B2 JP 4239742B2
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- ultrasonic
- receiving element
- detection
- receiving elements
- ultrasonic receiving
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Description
2,20,21,22 超音波アレイセンサ
3 超音波受信素子
5 超音波発信手段
7 信号選択手段
8 記憶手段
9 加算演算手段
T 検出対象物
Claims (1)
- 超音波発信手段と、複数の超音波受信素子をアレイ状に配置した超音波アレイセンサとを有し、前記超音波発信手段から発射されて検出対象物から反射された超音波を前記超音波アレイセンサで受信して検出対象物までの距離とその方向を検出する超音波距離測定装置において、
前記超音波受信素子の音波信号波形を記憶する記憶手段と、
前記記憶手段に記憶されている各超音波受信素子の音波信号波形を、所定の遅延時間だけシフトさせて加算すると共にその所定の遅延時間を変化させて検出方向を電子的に走査して、検出対象物の方向を検出する加算演算手段と、
前記検出方向の正面側からのずれ量に応じて、前記ずれ量がより大きいほど互いの間隔がより狭くなるように、前記超音波受信素子を複数選択する信号選択手段と、を備え、
前記超音波アレイセンサは、縦方向と横方向に十字形状に複数の超音波受信素子を配置して構成され、
前記信号選択手段は、前記十字形状に配置された超音波受信素子の前記縦方向の列の超音波受信素子、前記横方向の列の超音波受信素子、及び斜方向に隣接した超音波受信素子について、それぞれ前記選択を行い、前記加算演算手段が前記選択された超音波受信素子の音波信号波形を用いて前記検出を行うことを特徴とする超音波距離測定装置。
Priority Applications (1)
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JP2003283847A JP4239742B2 (ja) | 2003-07-31 | 2003-07-31 | 超音波距離測定装置 |
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JP2003283847A JP4239742B2 (ja) | 2003-07-31 | 2003-07-31 | 超音波距離測定装置 |
Publications (2)
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JP2005049304A JP2005049304A (ja) | 2005-02-24 |
JP4239742B2 true JP4239742B2 (ja) | 2009-03-18 |
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JP2003283847A Expired - Fee Related JP4239742B2 (ja) | 2003-07-31 | 2003-07-31 | 超音波距離測定装置 |
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JP (1) | JP4239742B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009075086A (ja) * | 2007-08-28 | 2009-04-09 | Nagoya Electrical Educational Foundation | 超音波三次元距離計測装置及び超音波三次元距離計測方法 |
US11620016B2 (en) | 2020-07-30 | 2023-04-04 | Tdk Corporation | Information processing device and operation detection device |
CN115876041A (zh) * | 2023-01-12 | 2023-03-31 | 西安工业大学 | 一种超声速目标外弹道参数测量装置及测量方法 |
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2003
- 2003-07-31 JP JP2003283847A patent/JP4239742B2/ja not_active Expired - Fee Related
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