0 relating to the use of wireless technology to make a payment using a credit card or debit card, or a mobile phone:
1 used to describe bank cards, identity cards, etc. that can operate by being put close to the machine that uses them, and that do not have to be put into the machine:
The advantages of the contactless measurement with a vibrometer are the good and linear distance resolution, which is only limited by noise, and a very good dynamic range.
The regulation stipulates a general obligation to provide fingerprints which will be stored on a contactless chip in the passport.
Use of contactless smart cards will mean no more waiting to board the bus while the person in front searches for the right change.
There are also dedicated fare gates that are operated with contactless value-stored cards as these are installed with the card readers.
There are dual-interface cards that implement contactless and contact interfaces on a single card with some shared storage and processing.
As an optical technique, spectroscopic ellipsometry is non-destructive and contactless.
Contactless cards are supposed to be within about 4 cm of the front of the terminal to work.
All three contactless systems use the same logo.
