Cov yeeb yaj kiab feem ntau muaj txheej ntawm cov khoom sib nqus me me siv rau Mylar, cov khoom siv yas muaj zog, hloov tau yooj yim. Hais txog ib billions magnetic particles npog ib square inch ntawm daim kab xev thiab muaj nuj nqi zoo li microscopic bar hlau nplaum. Thaum daim kab xev hla lub tshuab hluav taws xob, cov ntaub ntawv raug kaw thiab ua si rov qab.
videotape yog dab tsi?
Lub hauv paus hloov pauv ntawm daim duab thaij duab yog ua los ntawm polyester (polyethylene-terephtalate, PE lossis PET)Cov ntawv khi yog cov txheej uas muaj cov hlau nplaum oxide, thiab siv rau hauv raws li thaum tsim khoom. Lub binder muaj polyester urethane compounds, nyob rau hauv uas cov oxides raug tshem tawm.
Cov yeeb yaj kiab ua haujlwm li cas?
Videotape yog daim kab xev sib nqus siv rau khaws cov vis dis aus thiab feem ntau suab ntxiv… Vim tias cov yeeb yaj kiab muaj bandwidth siab heev, thiab lub taub hau nyob ruaj ruaj yuav xav tau daim kab xev nrawm heev, feem ntau rooj plaub, lub helical-scan video taub hau tig tawm tsam daim kab xev txav los sau cov ntaub ntawv hauv ob qhov ntev.
VCR puas tseem ua?
VHS Players tsis raug tsim tawm lawm Cov chaw tsim khoom kawg ntawm VHS players yog ib lub tuam txhab hauv Nyij Pooj hu ua Funai Electronics. … Thaum VHS nws thiaj li yeej Sony yog ib tus neeg tseem ceeb hauv VCR kev ua lag luam, tab sis Sony tsis ua VCRs yuav luag kaum xyoo dhau los. Panasonic - lwm tus tsim khoom loj ntawm VCRs nres kev tsim khoom rov qab rau xyoo 2012.
VHS tau yeej Betamax li cas?
Qhov tseem ceeb ntawm kev txiav txim siab ntawm Betamax thiab VHS yog tus nqi ntawm cov kaw lus thiab lub sijhawm kawBetamax yog, hauv txoj kev xav, cov ntaub ntawv kaw lus zoo tshaj VHS vim kev daws teeb meem (250 kab vs. 240 kab), suab zoo dua me ntsis, thiab cov duab ruaj khov dua; Betamax recorders kuj yog kev tsim kho zoo dua.
