| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce variation in responsiveness. <P>SOLUTION: An indicator includes: a signal input part 11 for inputting an output signal from detection means; an analog filter 13 and a digital filter 16 for attenuating an oscillation component in an area not less than a predetermined frequency out of the output signal inputted from the signal input part 11; a filter determination part 24 for determining whether or not variation width X of the output signal processed by the analog filter 13 and the digital filter 16 is included within allowable variation width Y; and a filter change command part 25 for gradually changing the predetermined frequency of the analog filter 13 and the digital filter 16 based on the determined result of the filter determination part 24. When the filter determination part 24 determines that variation width X is not included within the allowable variation width Y, the filter change command part 25 changes the predetermined frequency of the analog filter 13 and the digital filter 16. <P>COPYRIGHT: (C)2013,JPO&INPIT |
