Record carriers for use with machines and with at least a part designed to carry digital markings

Transponders powered by received radio waves, e.g. passive transponders Tags attached to, or associated with, an object, in order to enable detection of the object Protection against unauthorized use of computer memory Mechanisms activated by coded credit or identity cards for the purpose of vending or hiring goods or services Verification of coded identity or credit cards in mechanisms actuated by them Arrangements activated by coded cards for dispensing or receiving money and posting such transactions to existing accounts, e.g. ATM's (automatic teller machines) Using a coded card to authorize calls from a telephone set