The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 02, 2013

Filed:

May. 05, 2011
Applicants:

Min-seog Choi, Seoul, KR;

Seung-wan Lee, Suwon-si, KR;

Woon-bae Kim, Seoul, KR;

Seung-tae Choi, Hwaseong-si, KR;

Inventors:

Min-Seog Choi, Seoul, KR;

Seung-Wan Lee, Suwon-si, KR;

Woon-Bae Kim, Seoul, KR;

Seung-Tae Choi, Hwaseong-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/30 (2006.01); G02B 26/08 (2006.01); G02B 1/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

An optical probe and an optical system therefor are provided. The optical probe is includes a housing configured to house the optical system and the housing has a transparent window therein. the optical system includes a light emitting unit, a collimation lens, and a focusing lens. A numerical aperture of the optical system is adjustable by adjusting a pupil diameter of the collimation lens and a focal length of the focusing lens. The pupil diameter of the collimation lens is adjustable based on a variable focal lens or by adjusting a distance between the collimation lens and the light emitting unit.


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