| 摘要 |
PROBLEM TO BE SOLVED: To provide a beverage at a right temperature immediately after pouring hot tea, cold juice just taken out of a refrigerator, or hot or cold drink into a cup. SOLUTION: Peltier elements 2, 4 are placed on the inner side 5 or the bottom 6 of the cup. Electromotive force is used which is produced in the Peltier element 2 on the side 5 by pouring a hot or cold drink, and drinks are cooled or heated by the Peltier element 4 on the bottom 6.
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