Frequency-focused actuators for active vibrational energy contro

Details Frequency-focused actuators for active vibrational energy contro Frequency-focused actuators for active vibrational energy contro

1994-11-30

1998-05-19

Kuntz, Curtis

Electrical audio signal processing systems and devices

Acoustical noise or sound cancellation

Within cabin or compartment of vehicle

381 7111, 381 7114, H03B 2900, A61F 1106

Patent

active

057546622

ABSTRACT:
Actuators for active vibrational energy control systems which are frequency focused. The high-frequency cancellation function is decoupled from the low-frequency cancellation function to enable the size, force, number and placement of the actuators to be optimized. A hybrid system employing structural actuators to cancel low-frequency vibrations and speakers to cancel higher-frequency vibrations is also taught.

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