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Three dimensional, position observation method and apparatus

外国特許コード F110005367
整理番号 K01707WO
掲載日 2011年9月5日
出願国 アメリカ合衆国
出願番号 98818706
公報番号 20090219549
公報番号 8203720
出願日 平成18年6月29日(2006.6.29)
公報発行日 平成21年9月3日(2009.9.3)
公報発行日 平成24年6月19日(2012.6.19)
国際出願番号 JP2006312958
国際公開番号 WO2007004497
国際出願日 平成18年6月29日(2006.6.29)
国際公開日 平成19年1月11日(2007.1.11)
優先権データ
  • 特願2005-197049 (2005.7.6) JP
  • 2006WO-JP312958 (2006.6.29) WO
発明の名称 (英語) Three dimensional, position observation method and apparatus
発明の概要(英語) (US8203720)
A three-dimensional position observation apparatus provided with a lens system having focusing and diaphragm mechanisms, for forming an image on an imaging plane by light from an observation object includes a beam steering member disposed in a light path extending from the observation object to the imaging plane, for changing a traveling direction of observation light into a plurality of different directions, and an image analyzing unit for analyzing a position of the observation object based on a positional relation between a plurality of images on the imaging plane formed by light passing through the beam steering member.
特許請求の範囲(英語) [claim1]
1. A three-dimensional position observation apparatus provided with a lens system having focusing and diaphragm mechanisms, for forming an image on an imaging plane by light from an observation object, the three-dimensional position observation apparatus comprising: a beam steering member disposed in a light path extending from the observation object to the imaging plane, for changing a part of a traveling direction of observation light; and
an image analyzing unit for analyzing a position of the observation object based on a positional relation between an image on the imaging plane formed by light passing through the beam steering member and an image on the imaging plane formed by light not passing through the beam steering member.
[claim2]
2. The three-dimensional position observation apparatus according to claim 1, wherein the beam steering member is a wedge prism.
[claim3]
3. The three-dimensional position observation apparatus according to claim 2, wherein the beam steering member is two wedge prisms each having the same inclination angle, and wherein the two wedge prisms are disposed in a combined form such that inclination directions of inclination surfaces are reversely oriented.
[claim4]
4. The three-dimensional position observation apparatus according to claim 3, wherein at least one of the wedge prisms is disposed such that the inclination surface faces a side of the imaging plane.
[claim5]
5. The three-dimensional position observation apparatus according to claim 2, wherein at least one of the wedge prisms is disposed such that the inclination surface faces a side of the imaging plane.
[claim6]
6. A three-dimensional position observation method using a three-dimensional position observation apparatus provided with a lens system having focusing and diaphragm mechanisms, for forming an image on an imaging plane by light from an observation object, the three-dimensional position observation method comprising: disposing a beam steering member in a light path extending from the observation object to the imaging plane, for changing a part of a traveling direction of observation light; and analyzing a position of the observation object based on a positional relation between an image on the imaging plane formed by light passing through the beam steering member and an image on the imaging plane formed by light not passing through the beam steering member with an image analyzing unit.
  • 発明者/出願人(英語)
  • NISHIZAKA TAKAYUKI
  • MIZUTANI KANA
  • JAPAN SCIENCE AND TECHNOLOGY AGENCY
国際特許分類(IPC)
参考情報 (研究プロジェクト等) PRESTO Structure and Function of Biomolecules AREA
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