HA SYSTEM

PURPOSE:To provide an HA(home automation) system on which absence display can be immediately performed when a presence/absence switch is set by connecting prescribed digital corresponding equipment to the extension telephone network of a digital private branch exchange. CONSTITUTION:The digital corr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: YASUDA AKIYUKI
Format: Patent
Sprache:eng
Schlagworte:
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