Patent ID: 11875773
Assignee: BRITISH CAYMAN ISLANDS INTELLIGO TECHNOLOGY INC.
Field: Other consumer goods (Other fields)
Classification: CPC G | IPC G

Claim 5:
6. The system according to claim 1, further comprising:
Q noise cancellation systems, each noise cancellation system comprising:
a number s1 of reference microphones in proximity to the N fans for generating s1 reference signals;
a number U of speakers for converting a number U of anti-noise signals into a number U of sound pressure signals;

a number s2 of error microphones in proximity to the number U of speakers for generating s2 error signals, where each of parameters s1, s2, U is greater than or equal to 1; and
a noise cancellation engine for receiving the s1 reference signals and the s2 error signals to generate the number U of anti-noise signals, where Q>=1.