US 5,155,591 · Granted 1992-10-13

The 1992 Patent That Pioneered Targeted TV Ads Before the Internet

Imagine a cable TV system that shows different commercials to different people watching the same show—one household sees ads for sneakers, another sees ads for car insurance. This patent describes the technology to make that happen by identifying who's watching and serving them ads tailored to their age, gender, or other traits.

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The plain-English version

What it protects

The claim covers a method and system for broadcasting different commercial messages to different household groups based on their demographic profile. What's protected here is the specific process of: identifying viewer demographics (via remote control input, downloaded data, or pre-programmed info), storing that data in a cable converter box, comparing it against incoming commercial feeds, and automatically switching between two different commercial channels to show the right ad to the right household. It also covers tracking and recording which demographics saw which ads.

Why it matters

This patent represents an early blueprint for demographic ad targeting decades before the internet made it commonplace. In the early 1990s, cable systems were searching for ways to compete with broadcast television and generate more advertising revenue. The ability to deliver different ads to different households promised advertisers efficiency and higher ROI—a model that cable and digital media industries would build on for decades. General Instrument was a major cable equipment manufacturer, so this patent protected their competitive advantage in the emerging world of addressable advertising.

Real-world use

When a cable company asks subscribers their age and income during installation, and then serves different commercials to different homes on the same channel, that targeting capability traces directly back to systems this patent describes.

Original USPTO abstract

Different commercial messages are broadcast to different demographically targeted audiences in a cable television system or the like. A first television channel contains television programs and periodic commercial messages. A second television channel contains alternate commercial messages. Demographic characteristics of a viewer are identified, and commercial messages are selectively provided from the first or second channel, depending upon the viewer's demographic characteristics. Demographic data can be input by a viewer via a remote control, downloaded to a subscriber's converter from a remote headend, or programmed into the converter at installation. Prioritization of the demographic characteristics of a plurality of television viewers watching a program together enables commercials to be targeted to the viewer having highest priority. Statistical data can be maintained concerning the number and identity of subscribers viewing specific commercials.

Patent details

Publication number: US 5,155,591
Filing date: 1989-10-23
Grant date: 1992-10-13
Assignee: General Instrument Corporation
Inventor(s): WACHOB; DAVID E.
CPC class: H04N7/165

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