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US 12,112,735 B2Granted
Noise cancellation system for a vehicle
AssigneeAGCO International GmbH
InventorDaniel Vonroth
Life of this patent
Estimating the term…
Abstract
A noise cancellation system for a vehicle, with a microphone for receiving noise and generating a corresponding noise signal; a loudspeaker for emitting an acoustic wave according to a cancellation signal to cancel the noise; a control unit comprising a memory and a controller; wherein the memory has a noise filter; and wherein the controller is configured to obtain at least a vehicle related information of the vehicle; to configure the noise filter based on the at least one vehicle related information; and to generate a cancellation signal based on the noise signal and the noise filter.
Claims16
A noise cancellation system for a vehicle, the system comprising:
- a microphone for receiving noise and generating a corresponding noise signal;
- a loudspeaker for emitting an acoustic wave according to a cancellation signal to cancel the noise;
- a position determination unit for determining a vehicle position, the vehicle-related information including the vehicle position;
- and
- a control unit comprising a memory and a controller, the memory including a noise filter, the controller being configured to:
- obtain vehicle-related information of the vehicle,
- configure the noise filter based on the at vehicle-related information, and
- generate the cancellation signal based on the noise signal and the noise filter;
- wherein the controller is configured to determine whether the vehicle is located within an agricultural field based on the vehicle position, and wherein the noise filter is activated if the vehicle is located within the agricultural field.
6 more elements
A noise cancellation system for a vehicle, the system comprising:
- a microphone for receiving noise and generating a corresponding noise signal;
- a loudspeaker for emitting an acoustic wave according to a cancellation signal to cancel the noise;
- and a control unit comprising a memory and a controller, the memory including a noise filter, the controller being configured to:
- obtain vehicle-related information of the vehicle, wherein the vehicle-related information comprises a type of an implement connected with the vehicle;
- configure the noise filter based on the at vehicle-related information, and
- generate the cancellation signal based on the noise signal and the noise filter.
3 more elements
A noise cancellation system for a vehicle, the system comprising:
- a microphone for receiving noise and generating a corresponding noise signal;
- a loudspeaker for emitting an acoustic wave according to a cancellation signal to cancel the noise;
- a position determination unit for determining a vehicle position, the vehicle-related information including the vehicle position, wherein the vehicle-related information includes at least a field property of an agricultural field based on the vehicle position;
- and
- a control unit comprising a memory and a controller, the memory including a noise filter, the controller being configured to:
- obtain vehicle-related information of the vehicle,
- configure the noise filter based on the at vehicle-related information, and
- generate the cancellation signal based on the noise signal and the noise filter.
5 more elements
A noise cancellation system for a vehicle, the system comprising:
- a microphone for receiving noise and generating a corresponding noise signal;
- a loudspeaker for emitting an acoustic wave according to a cancellation signal to cancel the noise;
- a position determination unit for determining a vehicle position, the vehicle-related information including the vehicle position;
- and
- a control unit comprising a memory and a controller, the memory including a noise filter, the controller being configured to:
- obtain vehicle-related information of the vehicle;
- configure the noise filter based on the at vehicle-related information;
- and
- generate the cancellation signal based on the noise signal and the noise filter;
- wherein the controller is configured to determine whether the vehicle is located outside of an agricultural field based on the vehicle position, and wherein the noise filter is deactivated if the vehicle is located outside of the agricultural field.
7 more elements
A noise cancellation system for a vehicle, the system comprising:
- a microphone for receiving noise and generating a corresponding noise signal;
- a loudspeaker for emitting an acoustic wave according to a cancellation signal to cancel the noise;
- and a control unit comprising a memory and a controller, the memory including a noise filter, the controller being configured to:
- obtain vehicle-related information of the vehicle;
- obtain second vehicle-related information of a second vehicle, wherein the vehicle-related information includes at least the second vehicle-related information of the second vehicle;
- configure the noise filter based on the at vehicle-related information;
- and
- generate the cancellation signal based on the noise signal and the noise filter;
- wherein the second vehicle-related information of the second vehicle includes a position of the second vehicle;
- and wherein the controller is configured to calculate a distance between the both vehicles and to configure the noise filter based on the distance.
7 more elements
A noise cancellation system for a vehicle, the system comprising:
- a microphone for receiving noise and generating a corresponding noise signal;
- a loudspeaker for emitting an acoustic wave according to a cancellation signal to cancel the noise;
- and a control unit comprising a memory and a controller, the memory including a noise filter, the controller being configured to:
- obtain vehicle-related information of the vehicle;
- configure the noise filter based on the at vehicle-related information;
- and
- generate the cancellation signal based on the noise signal and the noise filter;
- wherein the controller is further configured to detect noise exceeding a threshold while a noise filter based noise cancellation is active, to perform a method for active noise cancellation to cancel the noise exceeding the threshold, to generate a new filter part to cancel the noise exceeding the threshold, and to store the new filter part to the memory.
5 more elements
A method for performing noise cancellation for a vehicle, comprising:
- receiving a noise;
- generating a noise signal corresponding to the received noise;
- obtaining at least one vehicle related information of comprising a position of the vehicle;
- determining whether the vehicle is located within an agricultural field based on the first vehicle related information;
- configuring a noise filter based on the at least one vehicle related information if the vehicle is located within the agricultural field;
- generating a cancellation signal based on the noise signal and the noise filter;
- and
- emitting an acoustic wave according to the cancellation signal to cancel the noise.
5 more elements
Dependencies are inferred from the claim text.