| 摘要 |
<p>The hotel vending network includes a central control (10) at the hotel main desk and a vending unit in each hotel guest room. The microprocessor controlled vending units (11-15) include a display arrangement (35) for displaying prices of articles to be vended and a user allocatable keyboard (38) for use in article selection and final purchase from the vend unit. Each purchase is a cooperative action between the central control (10) and a vend unit and is completed by an acknowledgement signal from the vending unit which signal is required before actual billing of a vended article occurs. The keyboard (38) is also used to control service access to the vending unit by means of passwords assigned from the central control (10).</p> |
