| 摘要 |
PROBLEM TO BE SOLVED: To separately grasp situations of earthquake occurrences in each area over networks to which personal computers scattered over each area are connected. SOLUTION: An acceleration sensor 36 is mounted for protecting a magnetic disk device (HDD) 33 which is vulnerable to impacts. A dedicated controller 37 monitors output signals of the acceleration sensor 36. When level changes exceeding a reference stored in a detection level setting register 38 appear in output signals of the acceleration sensor 36, the dedicated controller 37 generates an interruption in CPU 31. The interrupted CPU 31 temporarily halts processing in execution and transmits the notification of an earthquake occurrence to predetermined receivers via a communication controller 39. COPYRIGHT: (C)2007,JPO&INPIT
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