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Sony patents method to share AI model differences between devices

Patent drawing
Patent drawing from the official filing.

Sony describes a system where a device compares its own AI model with one from another device. It then sends only the differences between the two models to a central server for further training.

Why it mattersThis approach could make group AI training more efficient by reducing the amount of data that needs to be transferred between devices.

In the filing’s own words

Disclosed are a device, a method, and a system for machine learning. In some embodiments, an electronic device used for a first UE is disclosed. The electronic device comprises a processing circuit. The processing circuit is configured to: obtain a first artificial intelligence model trained by the first UE; receive a second artificial intelligence model trained by a second UE; determine a model difference between the second artificial intelligence model and the first artificial intelligence model; and send the model difference to a federated learning server.

What exactly they claim (claim 1)

1. An electronic device used for a first UE, the electronic device comprising: at least one processor; and at least one memory including computer program code, where the at least one memory and the computer program code are configured, with the at least one processor, to cause the electronic device to: obtain a first artificial intelligence model trained by the first UE; receive a second artificial intelligence model trained by a second UE; determine a model difference between the second artificial intelligence model and the first artificial intelligence model; and send the model difference to a federated learning server.

Facts

Company
Sony (Sony Group Corporation)
Official title
DEVICE, METHOD AND SYSTEM FOR MACHINE LEARNING
Publication number
US20260311051A1
Application number
19481192
Filed
Jun 4, 2024
Published
Oct 8, 2026
Inventors
4
Claims
26

Classified under

G06N 20/00 Physics & computing

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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.