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:
Jul. 01, 2003
Filed:
May. 16, 2002
Applicant:
Inventors:
Francesco Pomata, Genoa, IT;
Antonio Questa, Novi Ligure, IT;
Assignee:
Esaote S.p.A., , IT;
Primary Examiner:
Int. Cl.
CPC ...
H03G 3/20 ;
U.S. Cl.
CPC ...
H03G 3/20 ;
Abstract
The invention relates to a variable gain and low noise amplifier for received signals in ultrasound or nuclear magnetic resonance imaging apparata. This variable gain and low noise amplifier comprises at least one amplifier unit having at least one input and at least one output and at least one feedback circuit which connects one of the output signals with a feedback input. The variable gain and low noise amplifier is characterized in that at least one feedback circuit comprises at least one capacitive divider.