| 摘要 |
<p>PURPOSE:To enable a natural television screen to be obtained even when one person image is picked up by changing the opening/closing degree of a shutter, that means, as aspect ratio while corresponding to zoom control quantity. CONSTITUTION:A solid-state image pickup element 4 is disposed in an image pickup camera 2 for a High Definition Television(HDTV), the shutters 3a and 3b are disposed on the front surface of the camera 2 and an optical system such as a diaphragm or a lens is provided on the front surface of the shutter 3a and 3b. Then, a television signal having the aspect ratio which the width of the television screen is made to be longer than that of the television screen whose aspect ratio is 3:4 is outputted and simultaneously, a dimension D D1 D2 and the aspect ratio are changed by masking the image of the size D of a horizontal direction when the image of an object 1 is made incident on the element 4 with the aid of the shutters 3a and 3b corresponding to the zoom control quantity 12. Thus, the person image projected by being zoomed up with the aid of the image pickup camera of the HDTV is well matched with the size of the screen and it does not make unnaturalness to occur.</p> |
