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:
Nov. 11, 2003
Filed:
May. 18, 2001
Applicant:
Inventors:
Han Wen, Gaithersburg, MD (US);
Robert S. Balaban, Bethesda, MD (US);
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 8/00 ;
U.S. Cl.
CPC ...
A61B 8/00 ;
Abstract
Methods are disclosed for obtaining electroacoustic images of specimens. One method includes applying an acoustic wave to a specimen and forming an image based on an electroacoustically induced electric field or voltage. In another method, an electric field or voltage is applied to a specimen and an electroacoustically induced acoustic wave is measured to form an image. Apparatus suitable for obtaining electroacoustc images are disclosed as well as methods for distinguishing image contributions from the electroacoustic, thermoacoustic, and Hall effects.