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.
Patent No.:
Date of Patent:
May. 02, 2017
Filed:
Jan. 23, 2008
Applicants:
Teiichiro Ikeda, Koganei, JP;
Hiroki Tanaka, Musashino, JP;
Shuntaro Machida, Kokubunji, JP;
Inventors:
Assignee:
HITACHI, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 8/00 (2006.01); B06B 1/02 (2006.01);
U.S. Cl.
CPC ...
B06B 1/0292 (2013.01); A61B 8/4483 (2013.01); A61B 8/00 (2013.01); A61B 2562/028 (2013.01);
Abstract
The invention aims to give uniform and stable characteristics to a cMUT-cell array and to improve acoustic characteristics. To this end, a signal blocking section is additionally provided for cellslocated in the outermost peripheral portion or at the end positions of a two-dimensional arrayof cMUT cells that are designed and manufactured as ones usable as an ordinary transducer capable of transmission and reception of signals. The signal blocking section is provided to prevent the displacement and the vibration of the cells, and to block the transmission and the reception of signals.