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:
Oct. 05, 2021
Filed:
Mar. 30, 2017
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Yoshio Arai, Shiojiri, JP;
Masaki Hayashi, Matsumoto, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 8/08 (2006.01);
U.S. Cl.
CPC ...
A61B 8/5269 (2013.01);
Abstract
An ultrasonic diagnostic apparatus includes: a plurality of receiving elements that receive an ultrasonic wave, convert the ultrasonic wave into an electric signal, and output a receiving signal; a first detecting amplifier that detects noise and outputs a noise signal; a second detecting amplifier that amplifies the noise signal and outputs an amplified noise signal; a subtraction amplifier that receives the receiving signal and the amplified noise signal and subtracts the amplified noise signal from the receiving signal; and a plurality of circuit substrates that each include the second detecting amplifier and subtraction amplifier.