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. 04, 2005
Filed:
Apr. 03, 2003
Arnold A. Weiss, Minneapolis, MN (US);
Arnold A. Weiss, Minneapolis, MN (US);
Other;
Abstract
An apparatus for detecting a flaw in a tire includes a voltage generator producing a high voltage pulse on an electrical conductor. The electrical conductor is oriented with respect to the tire to establish an electric field within the tire. Relative motion between the tire and the electrical conductor occurs such that an electric arc extends from the electric field through a flaw when a flaw is proximate the electric field. A flaw detection circuit is capacitively coupled to the electrical conductor and receives a signal indicative of a voltage signal on the electrical conductor. The circuit further includes means for determining if the frequency of the received signal is greater than a predetermined threshold frequency, and if so, producing an indicator signal indicating the presence of the flaw.