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.:

US 7515506 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 07, 2009

Filed:

May. 12, 2005
Applicant:

Wieslaw Jerzy Szajnowski, Surrey, GB;

Inventor:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 3/80 (2006.01);
U.S. Cl.
CPC ...
Abstract

The delay between two signals is determined by obtaining zero crossings from each signal, and using each crossing to trigger the sampling of the other signal. Two samples are taken in response to each zero crossing, and the difference between those two samples is calculated. This difference is summed for each event and both signals to derive a value. The process is repeated for different delays between the first and second signals. The values are examined to determine the delay which corresponds to the greatest coincidence between the signals.


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Szajnowski, Wieslaw. (2009). Determination of time-difference of arrival and angle of arrival (U.S. Patent No. 7515506). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7515506

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