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US 2017/0287462 A1Published application
Automatic noise control
AssigneeHarman Becker Automotive Systems GmbH
InventorsMarkus CHRISTOPH, Paul ZUKOWSKI
Life of this patent
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Abstract
Active noise control system and methods are disclosed that include generating anti-noise that is configured to reduce or cancel noise occurring at a listening position in the ambiance of a seat with a backrest enclosing a hollow volume. Radiating the anti-noise from within the hollow volume of the backrest of the seat.
Claims20
An active noise control system comprising:
- a seat with a backrest, the backrest enclosing a hollow volume;
- at least one loudspeaker disposed within the hollow volume of the backrest;
- and
- an automatic noise controller connected upstream of the at least one loudspeaker and configured to generate, via the at least one loudspeaker, anti-noise that is configured to reduce or cancel noise occurring at the seat.
1 more element
An active noise control method comprising:
- generating anti-noise that is configured to reduce or cancel noise occurring at a listening position in an ambiance of a seat with a backrest enclosing a hollow volume;
- and
- radiating the anti-noise from within the hollow volume of the backrest of the seat.
An active noise control system comprising:
- a seat with a backrest enclosing a hollow volume;
- at least one loudspeaker disposed within the hollow volume of the backrest;
- and
- an automatic noise controller connected to the at least one loudspeaker and being configured to generate, via the at least one loudspeaker, anti-noise to reduce or cancel noise that occurs at the seat.
1 more element
Dependencies are inferred from the claim text.