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:
Apr. 17, 2012
Filed:
Feb. 28, 2008
Applicants:
Hideo Adachi, Iruma, JP;
Atsushi Ohsawa, Tokyo, JP;
Katsuhiro Wakabayashi, Tokyo, JP;
Inventors:
Assignee:
Olympus Medical Systems Corp., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 8/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A capacitive micromachined ultrasonic transducer (cMUT) device, includes: a cMUT obtained by processing a silicon substrate by using a silicon micromachining technique; and an oscillator circuit having the cMUT as a capacitor, and outputting a frequency modulation signal by modulating a frequency of an oscillation signal to be output on the basis of a change of capacitance of the cMUT.