Entranceway or foyer-based, communication apparatus and system
The invention is a digital doorman-like and communication system comprising a small-footprint, software-driven, controller device that is intuitively operable and which also communicates with wireless tenants' mobile devices, and based thereon, controls access to the building entranceway area,...
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Main Author | |
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Format | Patent |
Language | English |
Published |
18.12.2018
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Subjects | |
Online Access | Get full text |
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