Intercom system
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United States of America Patent
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Nov 5, 2019
Grant Date -
Apr 18, 2019
app pub date -
Mar 28, 2016
filing date -
Mar 28, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
An intercommunication system in an apartment complex comprises residential buildings, each including room parent devices installed in respective rooms; a collective entrance device having a call unit enabling a call manipulation for calling a visit destination room parent device; a storage unit stored with a call table having room numbers correlated with pieces of room parent device IDs for identification of the room parent devices, respectively; a processing unit performing processing of converting a signal input to the call unit into the room parent device ID of a call target room parent device based on the call table; and a transmission unit transmitting the room parent device ID to the room parent devices in the building of the terminal device; and a building control unit connecting the collective entrance device to the room parent devices of the rooms of the building of the building control unit, by an intercom line.
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