NOISE REDUCING METHOD FOR CLEANER

摘要

PROBLEM TO BE SOLVED: To reduce noise produced by a cleaner. SOLUTION: This device is provided with the cleaner 1 and a television set 8 receiving a signal from a transmission part 7 of the cleaner 1 and emitting a sound attenuation wave. The sound attenuation wave 12 is emitted from a speaker 11 of the television set 8. COPYRIGHT: (C)2004,JPO