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. 16, 1976
Filed:
Sep. 08, 1975
Applicant:
Inventor:
Ludwig Niklas, Lovenich, DT;
Assignee:
Krautkramer-Branson, Incorporated, Stratford, CT (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
73 677 ; 73 6 / ;
Abstract
Acoustic discontinuity responsive echo signals are compressed using special evaluating means for increasing the resolution of pulse-echo test apparatus. The acoustic discontinuity responsive echo signal undergoes mathematical convolution with a predetermined signal which latter signal is selected for providing that the mathematical product of the Laplace transform of the echo signal and the predetermined signal is unity. The mathematical convolution is performed by a computer, a correlator or an arrangement of delay lines.