Physical Presence Digital Authentication System
The interactive authentication system allows a consumer to interact with a base station, such as broadcast media (e.g., television and radio) or PC, to receive coupons, special sales offers, and other information with an electronic card.

Control of Toys and Devices by Sounds
This technology relates generally to the control of toys and devices by sounds, as well as by incidental sounds; that is, by sounds whose generation is subordinate to some other action, or by sounds whose generation accompanies some other action.

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