JP4065973B2 - 変位検出装置およびレンズ鏡筒 - Google Patents

変位検出装置およびレンズ鏡筒 Download PDF

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Publication number
JP4065973B2
JP4065973B2 JP391099A JP391099A JP4065973B2 JP 4065973 B2 JP4065973 B2 JP 4065973B2 JP 391099 A JP391099 A JP 391099A JP 391099 A JP391099 A JP 391099A JP 4065973 B2 JP4065973 B2 JP 4065973B2
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Japan
Prior art keywords
displacement
magnetic
detection element
magnetic detection
lens barrel
Prior art date
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Expired - Lifetime
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JP391099A
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English (en)
Japanese (ja)
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JP2000205808A (ja
JP2000205808A5 (enExample
Inventor
徹治 鎌田
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Nikon Corp
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Nikon Corp
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Priority to JP391099A priority Critical patent/JP4065973B2/ja
Publication of JP2000205808A publication Critical patent/JP2000205808A/ja
Publication of JP2000205808A5 publication Critical patent/JP2000205808A5/ja
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Publication of JP4065973B2 publication Critical patent/JP4065973B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Lens Barrels (AREA)
JP391099A 1999-01-11 1999-01-11 変位検出装置およびレンズ鏡筒 Expired - Lifetime JP4065973B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP391099A JP4065973B2 (ja) 1999-01-11 1999-01-11 変位検出装置およびレンズ鏡筒

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP391099A JP4065973B2 (ja) 1999-01-11 1999-01-11 変位検出装置およびレンズ鏡筒

Publications (3)

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JP2000205808A JP2000205808A (ja) 2000-07-28
JP2000205808A5 JP2000205808A5 (enExample) 2006-03-30
JP4065973B2 true JP4065973B2 (ja) 2008-03-26

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ID=11570353

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JP391099A Expired - Lifetime JP4065973B2 (ja) 1999-01-11 1999-01-11 変位検出装置およびレンズ鏡筒

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JP (1) JP4065973B2 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003139567A (ja) 2001-11-06 2003-05-14 Nikon Corp 変位検出装置及びレンズ鏡筒
JP2006317255A (ja) 2005-05-12 2006-11-24 Tdk Corp センサ支持機構、センサ支持機構アセンブリ及びロータリエンコーダ
JP4543396B2 (ja) * 2006-07-28 2010-09-15 日立金属株式会社 磁気式エンコーダー、レンズ鏡筒及びオートフォーカスカメラ
CN101646923B (zh) 2007-03-28 2011-04-27 日立金属株式会社 磁编码器
EP2538178B1 (en) 2010-05-17 2016-10-05 Hitachi Metals, Ltd. Magnetic encoder
JP2013041200A (ja) * 2011-08-19 2013-02-28 Sigma Corp 磁気抵抗素子を用いた位置検出装置及びこれを用いたレンズ鏡筒
JP2013044902A (ja) * 2011-08-24 2013-03-04 Sigma Corp リニアモータを用いたレンズ鏡筒および撮像装置
JP5447469B2 (ja) * 2011-09-22 2014-03-19 Ｔｄｋ株式会社 磁気センサ、磁気エンコーダ、磁気エンコーダモジュール、レンズ鏡筒
WO2013114705A1 (ja) * 2012-01-30 2013-08-08 富士フイルム株式会社 レンズ装置及び可動光学素子の位置検出方法
JP2016188773A (ja) * 2015-03-30 2016-11-04 日立金属株式会社 磁気センサ及びこれを用いた磁気エンコーダ、並びにレンズ鏡筒とカメラ

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Publication number Publication date
JP2000205808A (ja) 2000-07-28

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