In fact, the Java ring and its iButton brethren were poised to take over all kinds of informational handshakes, from unlocking doors and computers to paying for things, sharing medical records ...

Videx Inc.'s iButtons are dime-sized metal canisters containing a unique ID number that cannot be duplicated. When the iBR9000 touches an iButton, the button's ID is stored in ...

You can see the new assembly above. Just to the left of the lock is an iButton reader. We’ve seen this hardware in projects many times before. It’s cheap, and easy to work with.

After dysfunctional compact flash (CF) cards, the Commission on Elections (Comelec) will have to solve problems on defective iButtonsâ the 'key' that will open the precinct count optical scan (PCOS) ...