JP2016161425A5 - - Google Patents
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- JP2016161425A5 JP2016161425A5 JP2015040938A JP2015040938A JP2016161425A5 JP 2016161425 A5 JP2016161425 A5 JP 2016161425A5 JP 2015040938 A JP2015040938 A JP 2015040938A JP 2015040938 A JP2015040938 A JP 2015040938A JP 2016161425 A5 JP2016161425 A5 JP 2016161425A5
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- JP
- Japan
- Prior art keywords
- signal
- movable member
- position signal
- signals
- detection
- 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.)
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- 238000001514 detection method Methods 0.000 claims description 25
- 230000003287 optical effect Effects 0.000 claims description 9
- 230000000737 periodic effect Effects 0.000 claims description 8
- 230000009466 transformation Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims 1
- 206010036086 Polymenorrhoea Diseases 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015040938A JP6544945B2 (ja) | 2015-03-03 | 2015-03-03 | 位置検出装置、これを用いた装置及び位置検出方法 |
| US15/056,740 US10113888B2 (en) | 2015-03-03 | 2016-02-29 | Position detection apparatus, apparatus including the same and position detection method |
| CN201610122228.7A CN105937917A (zh) | 2015-03-03 | 2016-03-03 | 位置检测设备、包括位置检测设备的设备和位置检测方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015040938A JP6544945B2 (ja) | 2015-03-03 | 2015-03-03 | 位置検出装置、これを用いた装置及び位置検出方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2016161425A JP2016161425A (ja) | 2016-09-05 |
| JP2016161425A5 true JP2016161425A5 (enExample) | 2018-04-12 |
| JP6544945B2 JP6544945B2 (ja) | 2019-07-17 |
Family
ID=56845046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015040938A Active JP6544945B2 (ja) | 2015-03-03 | 2015-03-03 | 位置検出装置、これを用いた装置及び位置検出方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6544945B2 (enExample) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52104151A (en) * | 1976-02-26 | 1977-09-01 | Toshiba Corp | Position detector device |
| GB2230666B (en) * | 1989-04-19 | 1993-04-28 | Mitutoyo Corp | Displacement detector |
| JPH0754260B2 (ja) * | 1991-03-07 | 1995-06-07 | 株式会社ミツトヨ | アブソリュートエンコーダ |
| JPH10318791A (ja) * | 1997-05-14 | 1998-12-04 | Sony Precision Technol Inc | スケール装置 |
| JP2004037275A (ja) * | 2002-07-03 | 2004-02-05 | Okuma Corp | 光学式エンコーダ |
| JP2005345375A (ja) * | 2004-06-04 | 2005-12-15 | Mitsutoyo Corp | 電磁誘導式ａｂｓエンコーダ |
| US8493572B2 (en) * | 2010-05-05 | 2013-07-23 | Mitutoyo Corporation | Optical encoder having contamination and defect resistant signal processing |
| JP2012013654A (ja) * | 2010-07-05 | 2012-01-19 | Canon Inc | アブソリュートエンコーダ及び撮像装置 |
| JP2013156120A (ja) * | 2012-01-30 | 2013-08-15 | Canon Inc | 位置検出装置およびレンズ鏡筒 |
| JP6032936B2 (ja) * | 2012-05-07 | 2016-11-30 | キヤノン株式会社 | バーニア方式位置検出エンコーダ用スケール、バーニア方式位置検出エンコーダおよびこれを備えた装置 |
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2015
- 2015-03-03 JP JP2015040938A patent/JP6544945B2/ja active Active