| 摘要 |
PROBLEM TO BE SOLVED: To increase the quality of an image formed of air bubbles produced on heating bodies in liquid. SOLUTION: Provided are a container 2 in and out of which liquid can be put and a display unit 30 having a display part 10 having a plurality of heating bodies fitted to the container 2 in direct contact with the liquid 1 put in the container 2 and a control part 20 individually controlling how much the respective heating bodies 11 generate heat. Then an image is formed of air bubbles 5 produced in the liquid 1 by heat generation of the respective heating bodies 11 under the control of the control part 20. COPYRIGHT: (C)2005,JPO&NCIPI
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