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:
Jan. 31, 2012
Filed:
Jul. 16, 2008
Applicant:
Peter Christian Den Boer, Edmonton, CA;
Inventor:
Peter Christian Den Boer, Edmonton, CA;
Assignee:
Röntgen Technische Dienst B.V., NC Rotterdam, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 29/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and system for ultrasonic time of flight diffraction inspection of a plastics wall, such as a pipe wall. The method includes providing an ultrasound transmitter and transmitting an ultrasound signal having a nominal frequency into the wall, providing an ultrasound receiver and receiving the ultrasound signal transmitted through the wall. The ultrasound signal provided by the transmitter has a bandwidth of more than 80%, preferably more than 100% of the nominal frequency of the ultrasound signal provided by the transmitter.