INTERCOM DEVICE
PROBLEM TO BE SOLVED: To provide an intercom device which communicates with another intercom unit while a video is being outputted from an entrance door sub unit. SOLUTION: The intercom device is provided with: an entrance door sub unit having a camera for photographing a visitor; and a living room...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide an intercom device which communicates with another intercom unit while a video is being outputted from an entrance door sub unit. SOLUTION: The intercom device is provided with: an entrance door sub unit having a camera for photographing a visitor; and a living room main unit and an additional living room main unit each having a monitor for outputting a video photographed by the camera thereto. The intercom device displays the video from the entrance door sub unit on the living room or additional living room main unit. The living room or additional living room main unit is provided with: an acoustic section for communicating with the other intercom unit; a video channel switch for switching between connection and disconnection of a video channel for a video signal from the entrance door sub unit; a speech channel switch for switching between connection and disconnection of a speech channel of a voice signal with the entrance door sub unit or with the other intercom unit; and a CPU for establishing connection of the video channel with the entrance door sub unit and also the speech channel with the other intercom unit when an extension line operation with the other intercom unit is conducted during communication with any one of the entrance door sub unit, living room main unit and additional living room main unit. COPYRIGHT: (C)2010,JPO&INPIT |
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