US 7,038,855 · Granted 2006-05-02
The Virtual Opponent Patent That Powers Motion-Capture Sports Training
Imagine a video game that watches your every move in 3D space and throws realistic challenges at you in real time—a virtual opponent that actually responds to what you do. This patent locks down the technology for creating that kind of interactive, motion-sensing sports training system.
The plain-English version
What it protects
The claim covers a system that uses 3D motion sensors to track a player's body position and movement in real time across three or more dimensions, paired with computer software that generates sport-specific challenges and prompts (a virtual opponent) that respond interactively to the player's movements and continuously adjust to create realistic competitive scenarios.
Why it matters
This patent represents one of the earliest frameworks for turning motion-capture technology into adaptive, interactive sports training. Rather than passive video playback or simple movement counters, it protects the specific idea of a virtual opponent that intelligently responds to your movements in real time, creating a feedback loop that mimics actual competition—a concept that has become foundational in modern sports tech and gaming.
Real-world use
When you step into a motion-capture boxing simulator that throws punches at you based on your stance and reaction time, or a basketball training pod that adjusts its defense based on your footwork, you're encountering the core mechanics this patent describes.
Original USPTO abstract
Accurate simulation of sport to quantify and train performance constructs by employing sensing electronics for determining, in essentially real time, the player's three dimensional positional changes in three or more degrees of freedom (three dimensions); and computer controlled sport specific cuing that evokes or prompts sport specific responses from the player that are measured to provide meaningful indicia of performance. The sport specific cuing is characterized as a virtual opponent that is responsive to, and interactive with, the player in real time. The virtual opponent continually delivers and/or responds to stimuli to create realistic movement challenges for the player.
Patent details
- Publication number
- US 7,038,855
- Filing date
- 2005-04-05
- Grant date
- 2006-05-02
- Assignee
- Impulse Technology Ltd.
- Inventor(s)
- FRENCH BARRY J., FERGUSON KEVIN R.
- CPC class
- G06F3/011
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