Communication equipment

Communication equipment

  • CN 1,901,559 B
  • Filed: 06/28/2006
  • Issued: 05/11/2016
  • Est. Priority Date: 06/29/2005
  • Status: Active Grant
First Claim
Patent Images

1. a communication equipment, comprising:

  • The first audio frequency output;

    The second audio frequency output;

    Audio-frequency transducer;

    Block sound travel, it is coupling in described audio-frequency transducer and described the first audio frequency is exported itBetween, the wherein said sound travel that blocks comprises removable blocker;

    AndAttenuate sound path, it is coupling in described audio-frequency transducer and described the second audio frequency is exported itBetween, wherein said removable blocker can be used to block described in closure or openness sound travel andDescribed attenuate sound path.

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