| 摘要 |
PROBLEM TO BE SOLVED: To provide an apparatus capable of performing earthquake prediction by abnormal action of a pet at home. SOLUTION: This apparatus comprises a rotating plate 3 and a proximity sensor 4 provided on a rotating wheel 3, and a counter 5 for displaying the speed of rotation. This apparatus can be inexpensively produced. COPYRIGHT: (C)2007,JPO&INPIT |
