| 摘要 |
PURPOSE:To surely and easily monitor visitors with simple constitution by macrodisplaying only the prescribed region indicated by a cursor of the entire part of the region to be subjected to image pickup on a monitor. CONSTITUTION:The cursor K of a prescribed size is displayed near the face of the visitor displayed on the screen of the monitor 24 by a cursor display control means 27. Only the prescribed region K' of the entire part of the region to be subjected to image pickup is written into an image memory 22 by the sampling signal from an A/D conversion control means 25 in accordance with the control signal from the control means 27 and the image signal stored in the memory 22 is read out at the timing different from the timing at the time of writing by the reading out control signal from a reading out control means 26, by which only the prescribed region K' is macrodisplayed on the monitor 24. The visitor is surely and easily visibly monitored with the simple constitutmagnetic on in this way. |
