The patent point out that networked portable devices which employ infra-red or radio-frequency communication have limitations. Radio devices use a lot of power, and are prone to interference from others operating on similar frequencies. There are also fears that people might be able to hack into them or, at the least, listen in. Infra-red communication suffers the same problems, but has the additional limitation of requiring a direct line of sight between objects-as anyone who has tried to operate a television remote control with someone else standing between him and the television will know.
Microsoft claims that its approach of "near field intrabody communication"does not suffer from these problems, and provides a secure way to transfer data between devices.
- 2 decades agoFavorite Answer