| http://www.w3.org/ns/prov#value | - By the above-described configuration, for example, in an apparatus which has a voice telephone call function, by judging whether or not a user uses the apparatus casing in such a state that it came close to his ear during a period of a telephone call operation, and by changing a drive operation such as a drive system, drive frequency, it becomes possible to suppress vibration noises, resonance noi
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