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Wireless door intercom apparatus and system comprising same

  • US 20070188307A1
  • Filed: 09/28/2006
  • Published: 08/16/2007
  • Est. Priority Date: 02/16/2006
  • Status: Abandoned Application
First Claim
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1. A wireless door intercom apparatus affixed to an entrance of a building to be operated by a visitor, comprising:

  • a housing;

    a call button adapted to generate a ring signal in response to being pressed;

    an audio transmission module adapted to receive external sound and convert same into a first audio signal;

    a wireless signal transceiver module adapted to either transmit the ring signal and the first audio signal to a portable wireless signal transceiver to be operated by a resident, and receive a second audio signal transmitted from the portable wireless signal transceiver;

    a lock controller electrically connected to a lock and adapted to activate to open the lock; and

    a control module electrically connected to the call button, the audio transmission module, the wireless signal transceiver module, and the lock controller for controlling same.

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