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:
Dec. 23, 2014

Filed:

Jul. 06, 2011
Applicants:

Kozo Ezawa, Osaka, JP;

Teruyuki Takizawa, Osaka, JP;

Shinji Uchida, Osaka, JP;

Inventors:

Kozo Ezawa, Osaka, JP;

Teruyuki Takizawa, Osaka, JP;

Shinji Uchida, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 7/02 (2006.01); G02B 7/04 (2006.01);
U.S. Cl.
CPC ...
G02B 7/04 (2013.01); G02B 7/023 (2013.01);
Abstract

A lens unit according to the present invention includes: a first lens group and a second lens group being disposed in series on the same optical axis to have a light-converging function, the first lens group and the second lens group each including at least one lens; a first lens barrelretaining the first lens group; a second lens barrelretaining the second lens group and encasing at least a portion of the first lens barrel; and an adjustment mechanism for adjusting relative positioning along an optical axis direction, tilt between respective optical axes, and mutual radial deviation, of the first lens barrel and the second lens barrel.


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