Ungasarudza sei diagonal yeTV skrini

prehistory

Neterevhizheni dzekutanga dzakaiswa mukugadzirwa dzakaratidza mufananidzo uchishandisa cathode ray tube (CRT) kana pikicha yemifananidzo. Iyi tekinoroji yakanga isina kukwana, asi panguva iyo kugadzirwa kwemazhinji kwakavambwa mu1934, yaive shanduko. Kusakwana kwehunyanzvi hwaive hwaro hwekinescope. Iyo cathode ray tube yakaburitsa rwizi rwema elekitroniki ayo akabaya muchiratidziro uye kuruboshwe kweruvara.

 

 

Nehurombo, chikamu chemagetsi chakapinda munzira nepachiso uye chakasvika kune anoona, uye chinhu ichi chakanzi "radiation". Nekuda kwemwaranzi uye nemhedzisiro yayo mumuviri wemunhu, pakanga pane zvairambidzwa padaro raunogona kuona TV, uye zvisingabvumirwe panguva iyo panguva yacho zvaigoneka, zvakachengeteka, kuti unakirwe nemitambo yako yaunofarira TV. Yakachengeteka, yaiwonekwa sedhara re4-5 m kusvika paTV, yakapihwa madiki madiki eCRT terevhizheni, zvakaoma kufona zvakadaro kuona kweTV kuri nyore.

Modernity

Nguva yakawanda yapfuura kubva pakashandurwa yeCRT terevhizheni uye hutsva hunyanzvi hunyanzvi Plasma, LCD (mvura makristuru), LED (LED backlighting) yapinda muchikamu. Kunze kwePlasma TV, iyo, seCRT TV, yakanga ine mwero wakanyanya wemagetsi, LCD uye LED TV dzinoshaya radiation iyoyo, nekuti ivo vanoshanda pane zvakasiyana zvachose nheyo yekubuditsa kwemifananidzo.

 

 

Panzvimbo ye cathode ray tube yakaputirwa nema elekitoni, mvura inocherwa kweterevhizheni inoshanda uchishandisa mafungu emwenje unopfuura neRGB matrix echiratidzo. Kusavepo kwemagetsi emagetsi akapotsa abvisa kukosha kwekubva paTV uchienda kure. Iye zvino netekinoroji nyowani, chinhambwe chaunogona kuona TV chinogona kunge chiri chero chinhu.

Zvese zvirikumusoro zvinoitirwa kudzinga iyo pfungwa yeyakajairwazve kweakareba kubva kwaunogona kuona TV neayo digonal, nekuti iyo radiation nharaunda uye chinzvimbo chakachengeteka chinoita pfungwa chete mune CRT terevhizheni, uye iyi nhoroondo.

 

Asi pane yakakosha pfungwa!

Ungasarudza sei diagonal yeTV screen?

Chinhu chakakosha chakataurwa pamusoro apa ndechekugadziriswa kwechimu. Icho chokwadi ndechekuti kana TV ine dialog yakakura, semuenzaniso, 55 inches, ine chigadziriso chechigadziko cheFURE HD (1920x1080 pixels), ipapo kana iwe uchiona TV iri pedyo chaizvo, anenge 1 metres, unogona kuona pixels pachiratidziri.

Asi zvakapihwa izvo, sekutonga, vanoona TV kubva chinhambwe che1,5-2 m, zvakanyanya kuoma kuvaona kubva kure aya. Uye zvakare, terevhizheni ine diagonal inosvika 40 inches zvino YEMAHARA HD kugadziriswa, terevhizheni ine yakakura diagonal yatove ne Ultra HD 4K resolution (3840 × 2160 pixels).

 

 

Ungasarudza sei diagonal yeTV screen? Mhinduro iri nyore: zvakanyanya kunaka. Kana iwe uine mukana wekutenga tv ne-diagonal ye 40 inches - ndizvo zvakanaka! Kana uchikwanisa kutenga TV ine 80 inches - yakatonyanya nani. Asi tarisa iyo TV screen resolution, yemagetsi inosvika ku50 inches inogona kunge iine Full HD resolution, nekuti akadai dialogals iyo Ultra HD 4K resolution ichave yakawandisa, nekuti hazvizokwanisika kuona mutsauko.

 

 

Asi maTV kubva ku52-55 inches uye kumusoro anofanira kunge aine Ultra HD 4K screen resolution, nekuti ine kuderedzwa kugadziriswa pane yakakura diagonal, gogo kuchaonekwa kana uchiona TV zvakanyanya.