A money can be withdrawn from one's bank account with a cash data corresponding to the to-be-drawn money amount written in the storage area of a portable IC card or the like. The bank account consists of a first storage area of account balance and transaction data and a second storage area for data indicative...http://www.google.com.au/patents/US5012076?utm_source=gb-gplus-sharePatent US5012076 - Transaction method wherein transaction amount is compared with account balance before ID is entered
