JP2007333722A5 - - Google Patents
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- Publication number
- JP2007333722A5 JP2007333722A5 JP2007020632A JP2007020632A JP2007333722A5 JP 2007333722 A5 JP2007333722 A5 JP 2007333722A5 JP 2007020632 A JP2007020632 A JP 2007020632A JP 2007020632 A JP2007020632 A JP 2007020632A JP 2007333722 A5 JP2007333722 A5 JP 2007333722A5
- Authority
- JP
- Japan
- Prior art keywords
- light
- optical member
- optical
- scale
- encoder according
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims 39
- 238000005286 illumination Methods 0.000 claims 14
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007020632A JP4924884B2 (ja) | 2006-05-19 | 2007-01-31 | エンコーダ |
| US11/798,255 US7601947B2 (en) | 2006-05-19 | 2007-05-11 | Encoder that optically detects positional information of a scale |
| EP07108393A EP1865292B1 (en) | 2006-05-19 | 2007-05-16 | Encoder |
| DE602007005184T DE602007005184D1 (de) | 2006-05-19 | 2007-05-16 | Kodierer |
| AT07108393T ATE460646T1 (de) | 2006-05-19 | 2007-05-16 | Kodierer |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006139658 | 2006-05-19 | ||
| JP2006139658 | 2006-05-19 | ||
| JP2007020632A JP4924884B2 (ja) | 2006-05-19 | 2007-01-31 | エンコーダ |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2007333722A JP2007333722A (ja) | 2007-12-27 |
| JP2007333722A5 true JP2007333722A5 (enExample) | 2010-07-29 |
| JP4924884B2 JP4924884B2 (ja) | 2012-04-25 |
Family
ID=38610770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007020632A Expired - Fee Related JP4924884B2 (ja) | 2006-05-19 | 2007-01-31 | エンコーダ |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1865292B1 (enExample) |
| JP (1) | JP4924884B2 (enExample) |
| AT (1) | ATE460646T1 (enExample) |
| DE (1) | DE602007005184D1 (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5212840B2 (ja) | 2007-10-05 | 2013-06-19 | 株式会社ニコン | エンコーダ |
| CN102197286B (zh) * | 2008-10-23 | 2014-09-03 | 株式会社尼康 | 编码器 |
| WO2010089824A1 (ja) * | 2009-02-06 | 2010-08-12 | 株式会社ニコン | エンコーダ |
| JP2011053142A (ja) * | 2009-09-03 | 2011-03-17 | Nikon Corp | 波長検出装置、圧力検出装置、除振装置、および露光装置 |
| US9970788B2 (en) * | 2012-08-20 | 2018-05-15 | Dmg Mori Seiki Co., Ltd. | Scale measuring device, method for generating position information, and device with multi-axis stage |
| JP2014119446A (ja) * | 2012-12-17 | 2014-06-30 | Mitsutoyo Corp | 光学エンコーダ用の照明部 |
| DE102013203713A1 (de) * | 2013-03-05 | 2014-02-13 | Carl Zeiss Smt Gmbh | Inkrementalgeber und Lithographievorrichtung |
| DE102015203188A1 (de) * | 2015-02-23 | 2016-08-25 | Dr. Johannes Heidenhain Gmbh | Optische Positionsmesseinrichtung |
| JP7252809B2 (ja) * | 2019-03-28 | 2023-04-05 | 株式会社ミツトヨ | 光電式エンコーダおよび光電式エンコーダにおける演算方法 |
| CN115839761B (zh) * | 2022-08-18 | 2025-09-16 | 中国航空工业集团公司北京长城计量测试技术研究所 | 光栅测量动态量标准信号模拟方法、装置和计算系统 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2736583C2 (de) * | 1977-08-13 | 1985-11-07 | Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar | Verfahren und Einrichtungen zur Gewinnung von gegeneinander phasenverschobenen Steuersignalen für einen Vor-Rückwärtszähler |
| JP3034899B2 (ja) * | 1990-04-09 | 2000-04-17 | 日本電信電話株式会社 | エンコーダ |
| JP4938926B2 (ja) * | 2000-10-10 | 2012-05-23 | 株式会社ミツトヨ | 光学式エンコーダ |
| JP4337415B2 (ja) * | 2003-06-10 | 2009-09-30 | 株式会社ニコン | エンコーダ |
| JP4506271B2 (ja) | 2004-05-13 | 2010-07-21 | 株式会社ニコン | 光電式エンコーダ |
| JP2005326232A (ja) | 2004-05-13 | 2005-11-24 | Sendai Nikon:Kk | 光電式エンコーダ |
-
2007
- 2007-01-31 JP JP2007020632A patent/JP4924884B2/ja not_active Expired - Fee Related
- 2007-05-16 AT AT07108393T patent/ATE460646T1/de not_active IP Right Cessation
- 2007-05-16 EP EP07108393A patent/EP1865292B1/en not_active Not-in-force
- 2007-05-16 DE DE602007005184T patent/DE602007005184D1/de active Active
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