DEVICE AND METHOD FOR NOISE SUPPRESSION Russian patent published in 2018 - IPC H05K7/20 

Abstract RU 2666522 C2

FIELD: communication equipment.

SUBSTANCE: invention relates to the field of communication technology and is intended to suppress the noise of communication means placed in a cabinet under unfavorable conditions. Such invention features a noise suppression device that includes a flow deflector arranged over a first vent on the front door of the cabinet, and is additionally provided externally with a second vent corresponding to the first vent. Said flow deflector integrates with the front door of the cabinet to form the airflow path of the first vent, which is the ventilation openings of the heat dissipation device in the cabinet. Further, the air flow channel inside is provided with a sound-absorbing material.

EFFECT: noise suppression device has been proposed.

11 cl, 11 dwg

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RU 2 666 522 C2

Authors

Lu Yao

Liang Qi

Li Shuai

Yang Lilong

Dates

2018-09-10Published

2014-09-17Filed