Networked sound masking and paging system

Networked sound masking and paging system

  • CN 1,505,811 B
  • Filed: 02/26/2002
  • Issued: 05/01/2013
  • Est. Priority Date: 02/26/2001
  • Status: Active Grant
First Claim
Patent Images

1. sound shielding harness that is used for control physical environment ambient noise, described sound shielding harness comprises:

  • Communication network is arranged in described physical environment;

    A plurality of sound screen units, described sound screen unit comprises be used to the communication interface that connects described communication network, to pass through described communication network reception control signal, at least some described sound screen units comprise the sound shield assembly, and described sound shield assembly responds described control signal and produces sound shielding output signal;

    Control module, be configured to produce described control signal, described control module comprises be used to the communication interface that is connected to described communication network, thereby transmit described control signal optionally to control the operation of described a plurality of sound screen units, comprise setting/adjustment shielded signal frequency spectrum and shielded signal volume.

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