| 摘要 |
<p>The commercial weighing machine has a microphone device (11) for listening conversation between a customer and a salesman for converting connected spoken words of conversation into electric speech signal. A control device (13) is arranged to output an information available over a data source (17) or display the information, particularly in the form of selection menu, by a display device (19) by locating a key word and a permissible combination of key words belonging to a group, which has a key word belonging to the group assigned to the located key word or located permissible combination.</p> |
