Key controlled beverage making device

摘要

A beverage making device and a method of serving beverages to guests in a motel room, hotel room or similar facilities. A one-time use key is provided to control operation of the beverage making device and a disposable cartridge containing infusion material such as coffee, tea and the like is supplied to the guests along with the key by the desk clerk or other attendant when the guests register in the motel or hotel so that a beverage making apparatus in the room occupied by the guests can be operated only once but at any time by the guests without the attention of any motel or hotel personnel to enable the guests to make a beverage when desired.