Transducer daisy chain

Details Transducer daisy chain Transducer daisy chain

1994-11-07

1996-10-29

Kuntz, Curtis

Electrical audio signal processing systems and devices

Acoustical noise or sound cancellation

Adjacent ear

381 94, 381 72, A61F 1106, H03B 2900

Patent

active

055704255

ABSTRACT:
An adaptive multi-channel active acoustic attenuation system is provided for attenuating complex acoustic waves. The system includes a plurality of input sensor nodes and a plurality of error sensor nodes. Each node includes a central processing unit and a network interface. A medium physically interconnects each of the network interfaces to a communication module of a controller by means of a control bus or the like. A control network is provided for controlling communication between a communication module of a controller and each of the network interfaces to control the flow of data along the medium.

REFERENCES:
patent: 4677676 (1987-06-01), Eriksson
patent: 4677677 (1987-06-01), Eriksson
patent: 4815139 (1989-03-01), Eriksson et al.
patent: 5216721 (1993-06-01), Melton
patent: 5216722 (1993-06-01), Popovich
Reza S. Raji, Entitled "Smart Networks For Control", IEEE Spectrum Jun. 1994, pp. 49-55.

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