US Patent 9412387 Mobile device indoor navigation
Patent 9412387 was granted and assigned to Digimarc on August, 2016 by the United States Patent and Trademark Office.
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Patent abstract
An audio playback system receives digitally watermarked audio programming and distributes it to audio speakers in a venue, enabling a variety of location and product dependent services to be delivered to mobile devices in the venue. Mobile devices sense audio from speakers and decode digital identifying information, including characteristics to distinguish audio sources. The mobile device communicates with a networked computer to provide the identifying information, which in turn, triggers an alert for output on the mobile device.
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US Patent 09412387 Mobile device indoor navigation US Patent 9412387 Mobile device indoor navigation
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Patent Number
0941238700
Patent Number
941238700
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Is a
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
094123870
Date of Patent
August 9, 2016
0Patent Application Number
147481260
Date Filed
June 23, 2015
0Official Website
Patent Primary Examiner
Edits on 25 Sep, 2022
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Infobox
Is a
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
094123870
Date of Patent
August 9, 2016
0Patent Application Number
147481260
Date Filed
June 23, 2015
0Official Website
Patent Primary Examiner
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US Patent 09412387 Mobile device indoor navigation
Infobox
Is a
Patent applicant
Current assignee
Patent jurisdiction
Patent number
09412387
Date of patent
August 9, 2016
Patent application number
14748126
Date Filed
June 23, 2015
Patent primary examiner
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