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US RE45786

How Nielsen Tracks What You Listen to in Your Car

A system for recording audio in a car and transferring that data to a portable device, like a key fob, which then uploads the information to a central server.

Statusactive

Granted2015

Expires2034

Claims31

Forward citations1

Prior art139

AssigneeNielsen Co US LLC

InventorsKendall Shirilla, Fred Martensen +2

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