Closed-circuit TV (CCTV) tau tsim nyob rau xyoo 1942 los ntawm German engineer, W alter Bruch, kom nws thiab lwm tus tuaj yeem soj ntsuam qhov kev tso tawm ntawm V2 foob pob hluav taws ntawm lub kaw lus ntiag tug.
Thaum twg yog thawj CCTV tsim?
Peb thawj cov ntaub ntawv siv CCTV yog nyob rau hauv 1942 Lub Tebchaws Yelemees, qhov chaw kws ua haujlwm W alter Bruch tsim thiab teeb tsa lub kaw lus rau kev soj ntsuam kev xa tawm ntawm V-2 foob pob hluav taws.
Leej txiv ntawm CCTV?
Marie Van Brittan Brown thawj pioneered thiab patented lub CCTV hauv tsev kev ruaj ntseg system, feem ntau ntawm cov thev naus laus zis uas tseem siv hauv tsev ruaj ntseg niaj hnub no (US Patent 3, 482, 037).
CCTV puv daim ntawv yog dab tsi?
CCTV stands for kaw-circuit TV. … CCTV systems uas siv cov koob yees duab analog tau nyob ib ncig ntawm xyoo. Lawv tseem yog hom koob yees duab tshaj plaws uas tau teeb tsa hauv thaj chaw, cov kws tshaj lij hais.
Thaum twg CCTV tau siv thawj zaug hauv Is Nrias teb?
1942 - Thawj CCTV kev ruaj ntseg lub koob yees duab saib xyuas qhov system ntsia.