| 摘要 |
PROBLEM TO BE SOLVED: To improve a crime prevention effect in a house or the like by confirming the image of a visitor again when a display part later becomes displayable to thereby solve the inconvenience even though the display part can not display the image of the visitor when the visitor makes a call. SOLUTION: A doorphone is provided with an imaging part for imaging the visitor, and a system main body is provided with the display part for displaying the imaged visitor's image. An image storing means stores the image data of the imaged visitor, and a display necessity or not inquiring means inquires of a user whether the image is displayed on the display part. An image display means displays the stored visitor's image on the display part for a prescribed period of time in accordance with display necessity or not information acquired by the inquiring. COPYRIGHT: (C)2005,JPO&NCIPI
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