TV CAMERA WITH SELECTIVE SCALING Russian patent published in 2001 - IPC

FIELD: television equipment. SUBSTANCE: invention is designed predominantly for surveillance systems whose receiving screen reconstructs combined image that is made of enlarged section ( fragment ) as compared with initially presented image and the rest of it with permanent scale. TV camera solving this problem has first lens, first sensor of TV signal, former of signal of frame, beam splitter, second sensor of TV signal, positioning unit, synchronization pulse selector and commutator-mixer. Second sensor operates under condition of outside synchronization from first sensor. EFFECT: scaling of selected fragment with preservation of permanent index of resolving power within limits of entire combined image. 2 cl, 5 dwg, 1 tbl