A noise reduction device includes: a noise detector that detects noise in a space at least partially surrounded by a shell; a noise controller that generates a control sound signal for reducing the noise detected by the noise detector; and a control sound outputter that outputs control sound to the space based on the generated control sound signal. A seat that is reclinable including a recliner having a seat surface at a variable angle with respect to a reference plane is provided in the space. When L (cm) represents the length of the recliner in the front-to-back direction, the control sound outputter is provided at a height of L×sin θ+8 (cm) above the reference plane where θ is between two degrees and eight degrees, inclusive.
Noise reduction device and noise reduction system
30.04.2019
Patent
Elektronische Ressource
Englisch
NOISE REDUCTION DEVICE, VEHICLE, NOISE REDUCTION SYSTEM, AND NOISE REDUCTION METHOD
Europäisches Patentamt | 2021
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