| 摘要 |
FIELD: TV equipment, observation systems. SUBSTANCE: device has first lens, first TV signal detector, frame signal generator and video control unit. Goal of invention is achieved by introduced light separator, second TV signal detector, positioning unit, synchronization pulse discriminator, and commutation unit. EFFECT: zooming of selected piece of image, while keeping same resolution as in source image. 2 cl, 4 dwg, 1 tbl |
