JP2007044214A5

JP2007044214A5 -

Info

Publication number: JP2007044214A5
Application number: JP2005231324A
Authority: JP
Filing date: 2005-08-09
Publication date: 2008-08-14
Anticipated expiration: 2025-08-09

Claims

An imaging optical system;
A conical mirror located on the optical axis of the imaging optical system and having a vertex directed toward the center of the imaging optical system;
An illumination unit that irradiates at least irradiation light incident on a conical surface of the conical mirror in a direction orthogonal to the optical axis ;
An imaging element that captures an image reflected by the conical surface of the conical mirror and imaged by the imaging optical system;
Output means for outputting image data picked up by the image pickup device ;
Vivo information acquiring apparatus comprising: a.

A first imaging optical system;
A conical mirror located on the optical axis of the first imaging optical system and arranged with its apex directed toward the center of the first imaging optical system;
A first illumination unit that irradiates at least irradiation light incident on a conical surface of the conical mirror in a direction orthogonal to the optical axis ;
A first imaging element that captures an image reflected by the conical surface of the conical mirror and imaged by the imaging optical system;
A second imaging optical system disposed on the bottom side of the conical mirror;
A second illumination unit that emits irradiation light at least in the optical axis direction of the second imaging optical system;
A second imaging element for imaging an image formed by the second imaging optical system;
Output means for outputting image data picked up by the first and second image pickup devices ;
Vivo information acquiring apparatus comprising: a.

The conical mirror is formed by a hollow member having a hollow shape with a bottom on the apex side,
The in-vivo information acquiring apparatus according to claim 2, wherein at least a part of the second imaging element and the second imaging optical system is disposed in a hollow shape of the conical mirror.

The first illumination unit has an optical axis parallel to the optical axis on the object point side reflected by the conical mirror in the optical axis of the first imaging optical system,
The in-vivo information acquiring apparatus according to claim 2, wherein the second illumination unit has an optical axis parallel to the optical axis of the second imaging optical system.

An imaging optical system;
A conical mirror that is located on the optical axis of the imaging optical system, is arranged with a vertex toward the center of the imaging optical system, and is formed by a hollow member having a semi-transmission property; and
A first illumination unit that irradiates at least irradiation light incident on a conical surface of the conical mirror in a direction orthogonal to the optical axis;
A second illumination unit that is disposed on a bottom surface side of the conical mirror and irradiates irradiation light in a direction away from the conical mirror;
An imaging device that captures an image reflected or transmitted by the conical surface of the conical mirror and imaged by the imaging optical system;
A control to control means so as to illuminate the first illumination unit and second illumination portions alternately,
Vivo information acquiring apparatus comprising: a.

An imaging optical system;
A conical mirror located on the optical axis of the imaging optical system and having a vertex directed toward the center of the imaging optical system;
An illumination unit that is disposed on the optical axis on the bottom surface side of the conical mirror and that emits irradiation light in a direction away from the conical mirror;
A rotating body that is arranged in the irradiation direction of the illuminating unit and is configured by a mirror surface that reflects the irradiation light irradiated by the illuminating unit in a direction orthogonal to the optical axis ;
An imaging element that captures an image reflected by the conical mirror and imaged by the imaging optical system;
Output means for outputting image data picked up by the image pickup device ;
Vivo information acquiring apparatus comprising: a.

The in-vivo information acquiring apparatus according to claim 6 , wherein the rotating body has a mirror surface having a convex curve as a generating line on the illumination unit side.

The conical mirror is formed by a hollow member having a hollow shape with a bottom on the apex side,
The in-vivo information acquiring apparatus according to claim 6 or 7 , wherein at least a part of the imaging optical system and the imaging element is disposed in a hollow shape of the conical mirror.

The in-vivo information acquiring apparatus according to any one of claims 1 to 8, wherein the conical mirror has an apex angle of 90 degrees or more and less than 180 degrees.

An image conversion means for converting an image in a polar coordinate format captured by being reflected by the conical surface of the conical mirror into an image in an orthogonal coordinate format,
Furthermore, the in-vivo information acquisition apparatus as described in any one of Claims 1-9 characterized by the above-mentioned.

A capsule-shaped housing that houses each component of the in-vivo information acquisition device,
The said housing | casing is formed of the transparent material which can permeate | transmit visible light at least the angle-of-view range which injects into the said conical mirror, and the irradiation range of the said irradiation light, It is any one of Claims 1-10 characterized by the above-mentioned. The in-vivo information acquisition device described in 1.