JP4737609B2 - エンコーダ - Google Patents
エンコーダ Download PDFInfo
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- JP4737609B2 JP4737609B2 JP2005291839A JP2005291839A JP4737609B2 JP 4737609 B2 JP4737609 B2 JP 4737609B2 JP 2005291839 A JP2005291839 A JP 2005291839A JP 2005291839 A JP2005291839 A JP 2005291839A JP 4737609 B2 JP4737609 B2 JP 4737609B2
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- circuit
- sine wave
- position data
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- pseudo sine
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- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000006870 function Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 238000001514 detection method Methods 0.000 description 9
- 230000007423 decrease Effects 0.000 description 7
- 230000005856 abnormality Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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Description
11 計数回路(第1のサイクル数読み取り手段)
14 細分化回路(細分化読み取り手段)
16 擬似的λ数計数回路(第2のサイクル数読み取り手段)
17 比較・一致判定回路(比較・一致判定手段)
20 疑似正弦波生成回路(疑似正弦波生成手段)
Claims (1)
- 被検体の変位に応じて所定の位相差を有する2つの疑似正弦波信号を生成する疑似正弦波信号生成手段と、
前記2つの疑似正弦波信号を、1波長毎にカウントして第1のサイクル数を出力する第1のサイクル数読み取り手段と、
前記2つの疑似正弦波信号から、前記1波長内での位相角を算出して出力する細分化読み取り手段と、
前記細分化読み取り手段から出力された前記位相角により前記1波長を検出して、前記1波長毎にカウントして第2のサイクル数を出力する第2のサイクル数読み取り手段と、
前記第1および第2のサイクル数読み取り手段から出力された前記第1および第2のサイクル数を比較し、一致しないときに警告を発する比較手段とを有することを特徴とするエンコーダ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005291839A JP4737609B2 (ja) | 2005-10-05 | 2005-10-05 | エンコーダ |
Applications Claiming Priority (1)
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JP2005291839A JP4737609B2 (ja) | 2005-10-05 | 2005-10-05 | エンコーダ |
Publications (2)
Publication Number | Publication Date |
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JP2007101368A JP2007101368A (ja) | 2007-04-19 |
JP4737609B2 true JP4737609B2 (ja) | 2011-08-03 |
Family
ID=38028454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2005291839A Active JP4737609B2 (ja) | 2005-10-05 | 2005-10-05 | エンコーダ |
Country Status (1)
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JP (1) | JP4737609B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5877323B2 (ja) * | 2011-06-03 | 2016-03-08 | パナソニックIpマネジメント株式会社 | 光学式アブソリュートエンコーダ及び装置 |
JP5892844B2 (ja) * | 2012-04-25 | 2016-03-23 | Dmg森精機株式会社 | 位置検出装置 |
CN111368584B (zh) * | 2018-12-25 | 2023-04-21 | 北京精雕科技集团有限公司 | 一种可自校正的正余弦编码器高分辨率位置信息拼接方法 |
CN114688978B (zh) * | 2022-04-14 | 2023-01-24 | 中国科学院长春光学精密机械与物理研究所 | 正弦波细分方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10253393A (ja) * | 1997-03-10 | 1998-09-25 | Yaskawa Electric Corp | アブソリュートエンコーダ |
JP2004069614A (ja) * | 2002-08-08 | 2004-03-04 | Sendai Nikon:Kk | 変位情報生成装置および駆動制御装置 |
JP4419692B2 (ja) * | 2004-06-07 | 2010-02-24 | 株式会社ジェイテクト | 角度検出装置 |
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2005
- 2005-10-05 JP JP2005291839A patent/JP4737609B2/ja active Active
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JP2007101368A (ja) | 2007-04-19 |
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