| 摘要 |
PURPOSE:To attain simply systematic entrance control without limiting a location by using a wireless remote control operation for a honsehold television set. CONSTITUTION:When a visitor depresses a visiting key of an interphone slave set 2 while a television broadcast is received by a television receiver 6, a buzzer is rung in an interphone master set in an entrance controller 5. A resident person recognizes a visitor and depresses a television camera switch of a wireless remote controller 7. The picture of the television receiver 6 is switched to the video image of the visitor caught by the television camera 1. The resident person confirms the visitor and uses an interphone to make conversation with the visitor while depressing a press-to-talk switch of the wireless remote controller and operates an open/close switch of an electric lock to unlock or lock the door.
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