An amenity accessing system is provided that includes an access telephone (10) with a plurality of access keys. The telephone includes a line powered card reader (62) that interfaces with a CPU (60). Information stored in a memory (70) can then be output in response to a good card received by the card...http://www.google.com.au/patents/US5323448?utm_source=gb-gplus-sharePatent US5323448 - System for accessing amenities through a public telephone network
