Qhov kev xaiv ntawm cov TV niaj hnub no xav tau kev pabcuam tshaj plaws tshaj plaws, qhov ntau ntau yog qhov zoo tshaj plaws. Thiab muaj pes tsawg tus xaiv kuj impressive. Txawm li cas los xij, ntau tus neeg uas yuav lub TV yuav tsis suav rau hauv qhov tseeb tias koj yuav tsum tau saib los ntawm ib qho chaw nyob deb. Yuav kom saib tau koj tus nyiam TV, tsis tas yuav tig mus rau oculist, koj yuav tsum paub ntawm qhov chaw nyob deb li cas koj tuaj yeem saib tau lub TV qauv. Txawm li cas los xij, koj yuav tsum to taub tias yog tias koj chav pw me me, tab sis koj xav siv lub vaj huam sib luag rau ntawm tag nrho cov phab ntsa, ces tsis muaj dab tsi zoo yuav tuaj ntawm lub tswv yim no.
TV nrog cathode-txoj kab hluavtaws
Feem ntau cov qauv ntawm TVs los ntawm txhua yam uas tau nthuav tawm nyob rau hauv cov khw muag khoom hauv tsev - paub txog txhua qhov qauv, cov duab ntawm lawv cov vev thab npas yog npaj los ntawm kev siv lub raj cathode. Qhov deb ntawm TV ntawm no qauv rau lub qhov muag yuav tsum tsawg kawg yog 2-3 meters. Yog tias qhov nrug tsawg dua, ces koj yuav muaj kev puas tsuaj rau koj lub qhov muag.
LCD, LED thiab ntshav TV
LCD (kua siv lead ua kua) thiab ntshav TV yog suav tias yog qhov zoo tshaj plaws. Thaum lawv saib, lub qhov muag tsis raug mob los ntawm flickering, vim hais tias nws tsis tuaj kiag li. Qhov kev nyab xeeb nyob rau hauv lub LCD TV yuav tsis yeem, lawv tsis muaj teeb meem hluav taws xob, yog li koj tuaj yeem saib xyuas lawv los ntawm tej yam tsis yooj yim. Yog tsis muaj qhov sib txawv ntawm qhov kev nyab xeeb nyob ze thiab TV series ntawm LED series. Cov TV no kuj tuaj yeem saib tsis muaj kev ntshai ntawm kev phem thiab teeb meem, uas ua rau koj lub zeem muag.
Raws li koj tuaj yeem totaub, qhov kev pom tias pom kev ncajncees hauv TV yog nyob ntawm nws cov qauv. Tom qab tag nrho, yog tias koj muaj lub LCD lossis LED TV nyob tom tsev, daim duab yuav meej meej li ntawm txhua qhov chaw thiab ntawm txhua lub kaum sab xis.
Tab sis txawm koj lub TV, koj yuav tsum paub tias yog koj zaum sab xis ntawm qhov screen, tsis muaj dab tsi zoo yuav tuaj ntawm nws. Qhov kev nyab xeeb tshaj plaws rau saib cov broadcasts ntawm txhua lub TV yog suav tias yuav tsum sib npaug rau nws cov plaub kabmob, uas yog li ntawm ob meters. Western cov kws tshawb fawb tau tuaj rau lub tswv yim no tom qab ib co xov xwm nrog cov neeg tuaj pab dawb. Dua li ntawm qhov tseeb hais tias cov kev cai no mas yog hais txog cov qauv qub ntawm cov xov tooj cua hauv TV, koj tseem yuav tsum tsis txhob cuam tshuam koj lub qhov muag, saib TV pom zoo nyob ze ntawm qhov screen.
Qhov khoos kas empirical rau xam qhov pom tseeb ntawm qhov pom ntawm TV no yog muab rau hauv lub rooj:
3D TV: xam xyuas qhov kev ncua deb
Koj tuaj yeem saib cov yeeb yaj kiab hauv 3D hom hnub no tsis tau tawm hauv koj lub tsev. Yuav kom tag nrho koj tus kheej nyob rau hauv cov xwm txheej tshwm sim ntawm qhov kev tshuaj ntsuam, nws yog pom zoo kom tsis txhob zaum deb ntawm lub TV, tab sis nws yuav tsis ua kom lub zeem muag? Kws txawj paub tseeb tias saib cov yeeb yaj kiab hauv 3D hom kiag li tsis ua rau tus neeg tsis pom kev. Qhov pom kev nrug deb ntawm 3D TV yog qhov ntsuas qhov sib npaug li peb lub, thiab lub kaum sab xis ntawm lub TV yuav tsum tsis pub dhau 60 °. Yog tias koj ua raws li cov lus pom zoo no, ces cov teebmeem ntawm kev saib video hauv 3D yuav zoo li koj pom hauv xinesmas. Nco ntsoov nqa mus rau hauv tus account qhov zoo (daws teeb meem) ntawm cov khoom siv yees duab. Yog hais tias qhov kev daws teebmeem yees duab mus txog 720p, ces koj yuav tsum yog los ntawm qhov kev ntsuas ntawm ib lub nrug ntawm peb metres, thiab yog hais tias nws yog 1080p, ces qhov feem ntau nyiam nyob deb li ob metres.
Cov lus qhia ntau leej tau muab tso rau hauv lub rooj:
Xijpeem koj tus qauv TV, sim kom tsis txhob saib TV los ze ntawm tsawg dua ob meters ntawm qhov muag mus rau qhov screen. Yog tias koj tsis ua raws li qhov kev pom zoo no, ces koj lub qhov muag pom tias yuav tsum ua haujlwm tsis tseem ceeb.