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"...tiny but hyperefficient receiving circuits can adjust to variations in load and field strength while maintaining a constant DC voltage. Thanks to the fact that it transmits only safe low wattages, the Powercast system quickly won FCC approval--and $10 million from private investors. Powercast says it has signed nondisclosure agreements to develop products with more than 100 companies, including major manufacturers of cell phones, MP3 players, automotive parts, temperature sensors, hearing aids, and medical implants.
The last of those alone could be a multibillion-dollar market: Pacemakers, defibrillators, and the like require surgery to replace dead batteries. But with a built-in Powercast receiver, those batteries could last a lifetime."
http://tinyurl.com/2z6pqn
The last of those alone could be a multibillion-dollar market: Pacemakers, defibrillators, and the like require surgery to replace dead batteries. But with a built-in Powercast receiver, those batteries could last a lifetime."
http://tinyurl.com/2z6pqn
