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. 03, 2019

Filed:

May. 12, 2015
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Robert A. Kruger, Oriental, NC (US);

Takeshi Sekiya, Kawasaki, JP;

Kenji Oyama, Tokyo, JP;

Kazuhito Oka, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/17 (2006.01); A61B 5/00 (2006.01); G01N 29/24 (2006.01);
U.S. Cl.
CPC ...
G01N 21/1702 (2013.01); A61B 5/0095 (2013.01); G01N 29/2418 (2013.01); G01N 2021/1706 (2013.01); G01N 2021/1708 (2013.01);
Abstract

A photoacoustic apparatus includes a light irradiation unit configured to irradiate a subject with light a plurality of times; a driving unit configured to move a supporting member so that relative positions of the supporting member and the subject differ at each of the plurality of times; a plurality of transducers configured to receive acoustic waves generated through the plurality of times of irradiation and output a plurality of groups of reception signals corresponding to the plurality of times of irradiation; the supporting member configured to support the transducers such that directional axes of at least some of the transducers converge; a first memory configured to store the groups of reception signals; and a processing unit configured to obtain subject information at a target position by assigning, to each of the groups of reception signals, a weight corresponding to relative positions of the supporting member and the target position.


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