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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.

Granted 2015ActiveExpires 2034Owned by Nielsen Co US LLCInvented by Kendall Shirilla, Fred Martensen, Robert A Luff + 1 more

Original patent title: “USRE45786E1 - Methods and apparatus to monitor media exposure in vehicles

Plain-English explanation by SahiLast reviewed · June 15, 2026

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. Granted to Nielsen Co US LLC in 2015 with 31 claims and 1 forward citation.

Key facts

Patent numberUS RE45786
StatusActive
FieldConsumer Electronics
AssigneeNielsen Co US LLC
InventorsKendall Shirilla, Fred Martensen, Robert A Luff and 1 other
Filed2014
Granted2015
Claims31
Times cited1
LitigationNone on record
Value · $84K$269KModest

Coverage

What does this patent actually cover?

This patent describes a two-part system designed to measure media consumption inside a vehicle. A fixed monitoring device is installed in the car to record audio or collect data from the car's computer system. Because the car might not have a constant internet connection to send this data, the system uses a 'shuttle'—a secondary, portable device like a key fob—that sits in the car and wirelessly pulls the data from the fixed monitor. When the user leaves the car, they carry the shuttle with them; once the shuttle is near a separate aggregator (like a home base station), it offloads the data to be sent to Nielsen's servers.

The gap

What does this patent NOT cover?

  • Does not cover systems where the car itself has a direct cellular connection to upload data to the cloud.
  • Does not cover devices that can independently record or collect media data without the fixed car-based monitor.
  • Does not cover general-purpose smartphones or tablets used as the primary recording device.
  • Does not cover audio monitoring that occurs outside of a vehicle environment.

These exclusions are unique to PatentBrief — derived from the actual claim language, not patent-office boilerplate.

What made this novel

The innovation is the use of a 'dumb' shuttle device that is explicitly incapable of collecting data on its own, acting purely as a secure, portable bridge between the isolated vehicle environment and the external data network.

USRE45786E1 - Methods and appa…(Primary claim)consumer electronicstelecommunicationsmechanical

Schematic visualization of the patent's claim structure. Hand-drawn diagrams in progress for each landmark patent.

Where you've seen this

Real-world examples

01

Nielsen automotive media measurement panels

02

Specialized market research in-vehicle audio monitoring kits

Why it matters

The bigger picture

Measuring radio and media consumption in cars has historically been difficult because vehicles are mobile and often lack the connectivity of a home. This patent provides a workaround for the 'offline' nature of older or disconnected vehicle audio systems. It allows companies like Nielsen to maintain accurate audience metrics even when a car is not connected to a cellular network.

Filed

April 24, 2014

Granted

October 27, 2015

Market context

Who's building on this

Companies in this space

Nielsen continues to be the primary entity utilizing this type of audience measurement technology. The industry is shifting away from these physical 'shuttle' hardware solutions toward software-based telemetry in modern connected vehicles.

Market impact

This patent helped Nielsen maintain its dominance in media measurement during a period when vehicle connectivity was inconsistent. It effectively bridged the gap between legacy analog radio listening habits and the need for digital, server-side data collection.

Claim 1 — Plain English

What this patent covers

This patent describes a two-part system designed to measure media consumption inside a vehicle. A fixed monitoring device is installed in the car to record audio or collect data from the car's computer system. Because the car might not have a constant internet connection to send this data, the system uses a 'shuttle'—a secondary, portable device like a key fob—that sits in the car and wirelessly pulls the data from the fixed monitor. When the user leaves the car, they carry the shuttle with them; once the shuttle is near a separate aggregator (like a home base station), it offloads the data to be sent to Nielsen's servers.

The clever bit

The innovation is the use of a 'dumb' shuttle device that is explicitly incapable of collecting data on its own, acting purely as a secure, portable bridge between the isolated vehicle environment and the external data network.

What it does not cover

  • Does not cover systems where the car itself has a direct cellular connection to upload data to the cloud.
  • Does not cover devices that can independently record or collect media data without the fixed car-based monitor.
  • Does not cover general-purpose smartphones or tablets used as the primary recording device.
  • Does not cover audio monitoring that occurs outside of a vehicle environment.

Patent timeline

Filing

Application submitted to the patent office

Publication

Application published, typically 18 months after filing

Grant

Patent officially issued

PatentBrief Score

Impact Score

Early stage

Citation count

6/40

Early citations

Claim breadth

20/20

Very broad protection

Recency

5/20

Granted 10–20 years ago

Assignee scale

0/20

Independent or smaller assigneeassigneeThe entity that owns the patent — usually the inventor's employer or a company.Read more →

PatentBrief Impact Score — based on citation count, claim breadth, recency, and assignee scale. Not a legal assessment.

Heuristic Value Estimate

What this patent might be worth

Modest

$84K$269K

Midpoint $168K · 7.9 yr remaining · industry ×1.4

Adjust inputs →

Heuristic only — blends forward/backward citation counts, claim scope, time remaining, litigation history, and CPC-derived industry baseline. Real valuations need a professional appraisal.

The original legal language

Original claims

31 claims as filed with the patent office.

Concepts involved

ClaimPrior artNon-obviousnessNoveltySpecificationAssigneePatent term

Citations

Patent lineage

Cites earlier patents

139

earlier patents this invention cites as foundations

View prior art →

Cited by later patents

1

later patents that build on this invention

View patents →

Cite this patent

Shirilla, K., Martensen, F., Luff, R. A., & Ramaswamy, A. (2015). How Nielsen Tracks What You Listen to in Your Car (U.S. Patent No. RE45,786). U.S. Patent and Trademark Office. https://patentbrief.org/patent/us/RE45786/gmail

Auto-generated from the patent record. Double-check author order and the issue date against the official USPTO document before submitting.

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Common Questions

Frequently Asked Questions

What does How Nielsen Tracks What You Listen to in Your Car cover?

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.

Who owns patent US RE45786?

Nielsen Co US LLC owns this patent, granted in 2015.

When does this patent expire?

This patent is expected to expire on October 27, 2035, when the invention enters the public domain.

What is patent US RE45786 cited by?

This patent has been cited by 1 later patents that build on its ideas.

What problem does this patent solve?

Measuring radio and media consumption in cars has historically been difficult because vehicles are mobile and often lack the connectivity of a home. This patent provides a workaround for the 'offline' nature of older or disconnected vehicle audio systems. It allows companies like Nielsen to maintain accurate audience metrics even when a car is not connected to a cellular network.

What does this patent NOT cover?

Does not cover systems where the car itself has a direct cellular connection to upload data to the cloud.

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Last reviewed: June 15, 2026 · PatentBrief is not a law firm and this is not legal advice.