A self service terminal for a lodging facility includes room key dispensing and receiving. The present invention allows a guest to automatically check into a lodging facility, have an appropriate room assigned to him in accordance with his request and obtain a key for a room without the intervention...http://www.google.de/patents/US4752876?utm_source=gb-gplus-sharePatent US4752876 - Self service terminal for lodging industry including room key dispenser
