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Story URL: http://networks.silicon.com/lans/0,39024663,39122871,00.htm

RFID gets skin-deep alternative
German start-up launches human body transmitters

By Jo Best

Published: Wednesday 04 August 2004

One German start-up has created an alternative to RFID that is likely to get under consumers' skin.

Ident Technologies has dreamt up Skinplex - which could be used in all the same ways as RFID and Bluetooth - but uses a different transmitter: human skin.

Like RFID, Skinplex works by reading a unique identifier remotely using an electromagnetic signal, normally between a microchip and a reader. Unlike RFID, however, Skinplex uses the skin to transmit the signal and an identifier carried on a person. The signal is transmitted when the carrier touches the receiver.

The Skinplex system can also be worked from a distance of 50cm, transmitting through the ether.

One possible use for the technology the company is touting is for unlocking car doors remotely. With the car owner carrying his own unique code, the idea is Skinplex becomes an anti-theft device, with only the car owner being able to get in the car without setting off an alarm.

With RFID set to become a billion-dollar market by 2010, the idea of keeping the costs down might tempt some the way of Skinplex.

Some hospitals are even talking about implanting staff and patients with RFID technology, potentially opening up a huge market for humans to carry RFID chips or Skinplex identifiers.

However, last month, Microsoft patented a way of turning your skin into a power conduit and data bus. IBM also jumped on the bandwagon some years ago - showing off a way of electronically sharing business cards when two people shake hands.