Audio-frequency switching apparatus

Audio-frequency switching apparatus

  • CN 100,578,439 C
  • Filed: 02/23/2005
  • Issued: 01/06/2010
  • Est. Priority Date: 02/23/2005
  • Status: Active Grant
First Claim
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1. audio-frequency switching apparatus, in order to switch the audio frequency outgoing route of a computer system, loudspeaker that allow an audio frequency playing device use when this shut down of computer to be connected to this computer are play audio frequency, and this audio-frequency switching apparatus comprises at least:

  • One audio frequency connects the hole, is configured in this computer system, in order to connect this audio frequency playing device;

    One loudspeaker connect the hole, are configured in this computer system, in order to connect this loudspeaker;

    One circuit for detecting is to be in an open state or an off-mode in order to detect this computer system;

    AndOne control circuit electrically connects this circuit for detecting, and when this computer system system was in this off-mode, this control circuit connect the hole with this audio frequency and is electrically connected to these loudspeaker and connects the hole.

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