Video: Lawv puas muaj CCTV hauv 80s?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
CCTV Tom qab ntawd tau dhau los ua ntau hauv tsev txhab nyiaj thiab khw muag khoom kom tsis txhob muaj tub sab nyiag, los ntawm kev sau cov pov thawj ntawm kev ua txhaum cai. Xyoo 1998, 3,000 CCTV tshuab tau siv hauv New YorkCity. Kev sim hauv UK thaum xyoo 1970 thiab Xyoo 1980s , suav nrog sab nraum zoov CCTV hauv Bournemouth xyoo 1985, tau coj ntau qhov kev sim loj dua tom qab kaum xyoo ntawd.
Ib yam li ntawd, koj tuaj yeem nug, thaum twg lub koob yees duab soj ntsuam tau nrov?
1942: Kaw Circuit Court TV ( CCTV ) yog thawj zaug siv hauv lub teb chaws Yelemees. Cov kws tshawb fawb German tau tsim cov thev naus laus zis kom lawv tuaj yeem saib xyuas kev xa tawm ntawm V2 foob pob hluav taws. Tom qab ntawd, zoo li video kev soj ntsuam yog siv nyob rau hauv lub tebchaws United States thaum lub sij hawm kuaj ntawm Atomic Bombs. 1951: Lub Video Tape Recorder (VTR) yog tsim los.
Ib tug kuj yuav nug, lub khw muag khoom khaws cia saib video ntev npaum li cas? Tsis muaj tus qauv ntev ntawm lub sijhawm ntawd kev soj ntsuam video Cov ntaub ntawv kaw tseg yuav tsum khaws cia hauv tsev so, tsev txhab nyiaj, tsev loj, khw , khw malls, thiab lwm yam Nyob rau nruab nrab, lub koob yees duab kev ruaj ntseg footage yuav khaws cia txog 30 - 90 hnub hauv tsev so, khw los yog supermarkets, thiab cov chaw saum toj no, thiab lwm yam.
Khaws qhov no hauv kev xav, thaum twg CCTV tau siv thawj zaug?
Cov ntaub ntawv ntxov tshaj plaws siv CCTV technology tau nyob rau hauv lub teb chaws Yelemees xyoo 1942. Lub kaw lus tau tsim los ntawm engineerWalter Bruch thiab nws tau teeb tsa rau kev saib xyuas ntawm V-2 foob pob hluav taws. Nws tsis yog txog xyoo 1949 uas cov thev naus laus zis tau pib ua lag luam.
Muaj pes tsawg zaus koj ntes tau ntawm lub koob yees duab ib hnub USA?
Koj yog ntes "nyob rau hauv txoj cai" onCCTV koob yees duab txhua hnub . Raws li cov lus ceeb toom, aLondoner yuav zoo li ntes ntawm kev ruaj ntseg koob yees duab tshaj 300 sij hawm a hnub , uas yog qhov siab tshaj hauv UK; thiab ib tug neeg Amelikas tuaj yeem ua tau ntes tau ntawm lub koob yees duab ntau tshaj 75 ib hnub twg !
Pom zoo:
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