Credit card operated, automated teller machines are located in the vestibule of a bank where they may be accessed during normal banking hours. During off hours, a partition system segregates the vestibule from the remainder of the bank. Off-hour access to the vestibule is advantageously controlled by...http://www.google.com.hk/patents/US4237799?utm_source=gb-gplus-share專利 US4237799 - Banking protection system for 24 hour banking
