| 摘要 |
<p>An infrared camera (5), an infrared emission device (2), and a shutter-synchronized light emission drive device (7) are provided at the rear side of a cold mirror (3) in a mirror case (6), and the infrared emission device (2) performs an intermittent light emitting operation by means of the light emission drive device (7) in synchronization with the shutter operation of the camera (5), whereby a clear, accurate, stable photographed image is obtained with the infrared camera kept transparent to an object such as a driver and occupants and no incongruity given to them, while being kept free from disturbance light effect.</p> |
