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:
Sep. 02, 2008
Filed:
Apr. 06, 2006
David H. Wright, Clearwater, FL (US);
Daniel Nelson, Tampa, FL (US);
Ronald G. Schwerer, Belleair Beach, FL (US);
David H. Wright, Clearwater, FL (US);
Daniel Nelson, Tampa, FL (US);
Ronald G. Schwerer, Belleair Beach, FL (US);
Nielsen Media Research, Inc., New York, NY (US);
Abstract
Methods and apparatus to extract audio codes are disclosed. An example method includes receiving signals on a plurality of channels and ranking the signals based on at least one characteristic of the signals. A first channel from the plurality of channels is selected based upon the ranking of the signals. The example method further include determining whether a first signal on the first channel includes at least one code and extracting the at least one code from the first signal when the first signal includes the at least one code.