| 摘要 |
PURPOSE: A security reinforced door look system and a control method thereof are provided to record the movement and voice of an intruder. CONSTITUTION: Action detection sensors(100a,100b) are respectively installed inside and outside a door(D). The action detection sensor senses movement in surroundings. Image pickup cameras(200a,200b) take a photograph of the interior and exterior. An image storage device(300) stores and outputs the photographed image.
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