US 6,718,551 · Granted 2004-04-06

The Patent That Invented Personalized TV Ads in Your Living Room

Imagine if your TV knew what shows you loved and showed you ads just for things you'd actually care about. This 2004 patent describes the system that makes that possible—tracking what you watch, figuring out your interests, and then inserting custom ads into the programs beamed to your set-top box.

Curated and verified by the IsItPatented Editorial team

The plain-English version

What it protects

The claim covers a complete system for delivering different advertisements to different viewers watching the same TV channel or program. What's protected here is the combination of hardware (merge processors, file servers, profile processors, and broadcast servers at the cable head end) and the method of tracking viewer selections, storing that data, analyzing viewing habits, and then inserting customized ads—either as still images or video—into the broadcast stream reaching individual set-top boxes.

Why it matters

This patent captures the foundational architecture for personalized television advertising, a shift from the broadcast-era model where everyone saw identical ads. By linking viewing behavior to ad delivery, it enabled cable and interactive TV providers to offer advertisers a way to reach narrower, better-matched audiences—making ad inventory more valuable and laying groundwork for the targeted ad ecosystem that became central to digital media business models.

Real-world use

When you watched cable TV in the mid-2000s and noticed that the ads seemed oddly relevant to your interests while your neighbor saw completely different ones during the same show, that was this patent's system at work.

Original USPTO abstract

A method and system for providing targeted advertisements over a networked media delivery system, especially interactive television networks, the system comprising tracking and storing viewer selections, analyzing the selections, and delivering targeted advertisements that appeal to the particular subscriber making the selections, the system including a merge processor, a file server, a profile processor, and a broadcast server contained in a head end in communication with a plurality of set-top boxes through a distribution network. Based on a subscriber's viewing habits and account information, the present invention delivers different, customized advertisements to different viewers watching the same program or channel. The present invention delivers the advertisements as either still frame bit maps or as video streams advertisement insertion in a playlist or a broadcast media program.

Patent details

Publication number: US 6,718,551
Filing date: 1999-12-21
Grant date: 2004-04-06
Assignee: Bellsouth Intellectual Property Corporation
Inventor(s): SWIX SCOTT R., STEFANIK JOHN R., BATTEN JOHN C.
CPC class: H04H60/66

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