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:
Aug. 28, 1990
Filed:
May. 04, 1989
Applicant:
Inventor:
Antoine Collet-Billon, Paris, FR;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
12866001 ; 73602 ;
Abstract
An ultrasonic echography device, comprising at least one piezoelectric transducer, a stage for transmitting an ultrasonic beam, and a stage for receiving and processing echographic signals e returned to the transducer. The stage for receiving and processing comprises at least one grey-scale morphological filter which comprises elementary erosion filters and dilation filters for processing applied to the echographic signals.