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.

Date of Patent:
Nov. 24, 2009

Filed:

Aug. 30, 2005
Applicants:

Tom Zito, Sausalito, CA (US);

Mark D. Klein, Los Altos, CA (US);

Allan E. Alcorn, Portola Valley, CA (US);

Gary S. Fletcher, Jr., Auburn, CA (US);

Inventors:

Tom Zito, Sausalito, CA (US);

Mark D. Klein, Los Altos, CA (US);

Allan E. Alcorn, Portola Valley, CA (US);

Gary S. Fletcher, Jr., Auburn, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04H 60/33 (2008.01);
U.S. Cl.
CPC ...
Abstract

User exposure to media items is detected and measured. A mobile client device carried by a user digitally samples the audio environment of the user on a regular basis. These samples are transformed into a stream of data signatures and compared with reference media items to detect user exposure to the reference items. Purchase behavior following exposure to selected media content items can be detected and tracked as well, so as to gauge effectiveness of media items such as advertisements.


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