{"id":13959,"date":"2023-08-25T00:00:00","date_gmt":"2023-08-25T00:00:00","guid":{"rendered":"https:\/\/tech-lib.eu\/tech\/vyvoj-televize-od-cernobile-k-chytre-a-interaktivni\/"},"modified":"2023-08-25T00:00:00","modified_gmt":"2023-08-25T00:00:00","slug":"vyvoj-televize-od-cernobile-k-chytre-a-interaktivni","status":"publish","type":"post","link":"https:\/\/tech-lib.eu\/tech\/vyvoj-televize-od-cernobile-k-chytre-a-interaktivni\/","title":{"rendered":"V\u00fdvoj televize. Od \u010dernob\u00edl\u00e9 k chytr\u00e9 a interaktivn\u00ed"},"content":{"rendered":"
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Jak daleko by m\u011bla b\u00fdt televize?<\/div>\n
Pro ur\u010den\u00ed ide\u00e1ln\u00ed vzd\u00e1lenosti od televize je kl\u00ed\u010dov\u00fd jeden parametr, a to \u00fahlop\u0159\u00ed\u010dka televize ud\u00e1van\u00e1 v palc\u00edch nebo v centimetrech. \u010c\u00edm v\u011bt\u0161\u00ed je televize, t\u00edm v\u011bt\u0161\u00ed je ide\u00e1ln\u00ed pozorovac\u00ed vzd\u00e1lenost, a naopak. Obvykle se ud\u00e1v\u00e1, \u017ee ide\u00e1ln\u00ed vzd\u00e1lenost od televize je 1,8 kr\u00e1t v\u011bt\u0161\u00ed ne\u017e jej\u00ed \u00fahlop\u0159\u00ed\u010dka.<\/div>\n
\n\t\t\t\t\t Dal\u0161\u00ed informace najdete na<\/span> www.czc.cz<\/a>\n\t\t\t\t<\/div>\n<\/p><\/div>\n
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Televize, kter\u00e1 je sou\u010d\u00e1st\u00ed dom\u00e1cnost\u00ed po cel\u00e9m sv\u011bt\u011b, pro\u0161la v pr\u016fb\u011bhu \u010dasu obrovskou zm\u011bnou. Televize utv\u00e1\u0159ela n\u00e1\u0161 ka\u017edodenn\u00ed \u017eivot, vyv\u00edjela se od sv\u00fdch skromn\u00fdch za\u010d\u00e1tk\u016f jako \u010dernob\u00edl\u00e1 krabi\u010dka s n\u011bkolika kan\u00e1ly a programy a\u017e po dne\u0161n\u00ed elegantn\u00ed a sofistikovan\u00e9 chytr\u00e9 televizory. V tomto p\u0159\u00edsp\u011bvku se sezn\u00e1m\u00edme s t\u00edm, jak se televize v pr\u016fb\u011bhu \u010dasu v\u00fdrazn\u011b zm\u011bnila, pov\u00edme si o tom, jak se pou\u017e\u00edv\u00e1 dnes, a zd\u016frazn\u00edme hlavn\u00ed rozd\u00edly mezi sou\u010dasn\u00fdmi televizory. <\/p>\n

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Na p\u0159elomu 19. a 20. stolet\u00ed u\u010dinili vyn\u00e1lezci a in\u017een\u00fd\u0159i p\u0159evratn\u00e9 objevy, kter\u00e9 vedly k v\u00fdvoji televize. Prvn\u00ed mechanick\u00e9 televizn\u00ed syst\u00e9my, kter\u00e9 k z\u00e1znamu a p\u0159enosu obrazu pou\u017e\u00edvaly oto\u010dn\u00fd disk, byly p\u016fvodn\u011b vyvinuty ve 20. letech 20. stolet\u00ed. Elektronick\u00e9 televizn\u00ed syst\u00e9my se v\u0161ak poprv\u00e9 objevily a\u017e ve 30. letech 20. stolet\u00ed, kdy byla vyvinuta katodov\u00e1 trubice (CRT), kter\u00e1 umo\u017e\u0148ovala zobrazov\u00e1n\u00ed pohybliv\u00fdch obraz\u016f. <\/p>\n

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N\u00e1stup barevn\u00e9 televize je jedn\u00edm z kl\u00ed\u010dov\u00fdch zp\u016fsob\u016f, jak se televize v pr\u016fb\u011bhu \u010dasu vyv\u00edjela. P\u0159ed rokem 1950 mohly televize zobrazovat pouze \u010dernob\u00edl\u00fd obraz. V roce 1953 v\u0161ak byla ve\u0159ejnosti zp\u0159\u00edstupn\u011bna barevn\u00e1 televize, kter\u00e1 zcela zm\u011bnila zp\u016fsob, jak\u00fdm lid\u00e9 televizi sleduj\u00ed. Barevn\u00e1 televize zlep\u0161ila zp\u016fsob, jak\u00fdm vid\u00edme obsah na obrazovk\u00e1ch a jak s n\u00edm komunikujeme, proto\u017ee p\u0159idala novou \u00farove\u0148 realisti\u010dnosti a vta\u017een\u00ed do d\u011bje. <\/p>\n

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Dnes je sledov\u00e1n\u00ed televizn\u00edch po\u0159ad\u016f v televizi pouze jedn\u00edm z mo\u017en\u00fdch zp\u016fsob\u016f vyu\u017eit\u00ed televize. D\u00edky rozvoji internetu a chytr\u00fdch technologi\u00ed slou\u017e\u00ed nyn\u00ed televizory k v\u00edce \u00fa\u010del\u016fm. U\u017eivatel\u00e9 chytr\u00fdch televizor\u016f s p\u0159ipojen\u00edm k internetu mohou proch\u00e1zet internet, streamovat materi\u00e1l z r\u016fzn\u00fdch platforem a p\u0159istupovat k r\u016fzn\u00fdm aplikac\u00edm. Televize je nyn\u00ed d\u00edky tomuto pokroku ve schopnostech centrem komunikace, z\u00e1bavy a informac\u00ed. Modern\u00ed televize nab\u00edz\u00ed nep\u0159ebern\u00e9 mno\u017estv\u00ed mo\u017enost\u00ed, od streamov\u00e1n\u00ed film\u016f a televizn\u00edch po\u0159ad\u016f a\u017e po hran\u00ed videoher nebo videochatov\u00e1n\u00ed s bl\u00edzk\u00fdmi. <\/p>\n

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Modern\u00ed televizory se od sv\u00fdch p\u0159edch\u016fdc\u016f li\u0161\u00ed \u0161pi\u010dkovou technologi\u00ed a vylep\u0161en\u00fdmi funkcemi. Neohraban\u00e9 CRT z minulosti byly nahrazeny ploch\u00fdmi displeji, jako jsou LCD, LED a OLED, kter\u00e9 nab\u00edzej\u00ed ost\u0159ej\u0161\u00ed obraz a z\u00e1\u0159iv\u011bj\u0161\u00ed barvy. D\u00edky jejich \u00fa\u017easn\u00e9 vizu\u00e1ln\u00ed \u010distot\u011b se stalo samoz\u0159ejmost\u00ed rozli\u0161en\u00ed HD (high-definition) a UHD (ultra-high-definition). Televizory jsou nyn\u00ed p\u0159izp\u016fsobiv\u011bj\u0161\u00ed a u\u017eivatelsky p\u0159\u00edv\u011btiv\u011bj\u0161\u00ed d\u00edky funkc\u00edm, jako jsou vestav\u011bn\u00e9 reproduktory, porty HDMI, p\u0159ipojen\u00ed USB a hlasov\u00e9 ovl\u00e1d\u00e1n\u00ed. <\/p>\n

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Z\u00e1v\u011brem lze \u0159\u00edci, \u017ee v pr\u016fb\u011bhu let do\u0161lo v oblasti televizor\u016f k velk\u00fdm zm\u011bn\u00e1m. Televizor se neust\u00e1le vyv\u00edjel, aby se p\u0159izp\u016fsobil m\u011bn\u00edc\u00edm se po\u017eadavk\u016fm a preferenc\u00edm spot\u0159ebitel\u016f, po\u010d\u00ednaje prvn\u00edmi mechanick\u00fdmi a elektronick\u00fdmi syst\u00e9my a kon\u010de p\u0159\u00edchodem barevn\u00e9 televize. Televizory se d\u00edky za\u010dlen\u011bn\u00ed chytr\u00fdch technologi\u00ed st\u00e1vaj\u00ed mnohem v\u00edce ne\u017e jen prost\u0159edkem ke sledov\u00e1n\u00ed program\u016f; nyn\u00ed jsou nezbytnou sou\u010d\u00e1st\u00ed na\u0161eho propojen\u00e9ho \u017eivota. S rozvojem technologi\u00ed m\u016f\u017eeme o\u010dek\u00e1vat dal\u0161\u00ed v\u00fdvoj a vylep\u0161en\u00ed, kter\u00e1 zajist\u00ed, \u017ee televize bude i nad\u00e1le hlavn\u00edm zdrojem z\u00e1bavy a informac\u00ed v na\u0161ich dom\u00e1cnostech.<\/p><\/div>\n

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FAQ<\/div>\n
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Jak funguj\u00ed modern\u00ed televizory?<\/div>\n

Modern\u00ed televizory vytv\u00e1\u0159ej\u00ed vysoce kvalitn\u00ed zvukov\u00fd a obrazov\u00fd obsah s vyu\u017eit\u00edm nejmodern\u011bj\u0161\u00edch technologi\u00ed. Zde je stru\u010dn\u00fd p\u0159ehled jejich fungov\u00e1n\u00ed: 1. Technologie zobrazen\u00ed: Modern\u00ed televizory vyu\u017e\u00edvaj\u00ed r\u016fzn\u00e9 zobrazovac\u00ed technologie, v\u010detn\u011b QLED (Quantum Dot LED), OLED (Organic Light Emitting Diode) a LCD (Liquid Crystal Display). Tyto technologie ur\u010duj\u00ed efektivitu obrazu, p\u0159esnost barev a \u00farove\u0148 kontrastu. 2. P\u0159\u00edjem sign\u00e1lu: Televizory mohou p\u0159ij\u00edmat sign\u00e1l z r\u016fzn\u00fdch zdroj\u016f, nap\u0159\u00edklad z ant\u00e9n, kabelov\u00fdch nebo satelitn\u00edch box\u016f nebo streamovac\u00edch za\u0159\u00edzen\u00ed. Televizor tyto sign\u00e1ly, kter\u00e9 mohou b\u00fdt analogov\u00e9 nebo digit\u00e1ln\u00ed, dek\u00f3duje a zobrazuje informace. 3. Zpracov\u00e1n\u00ed sign\u00e1lu: Pro zlep\u0161en\u00ed kvality obrazu proch\u00e1z\u00ed televizor p\u0159i p\u0159\u00edjmu sign\u00e1lu mnoha f\u00e1zemi zpracov\u00e1n\u00ed. Pat\u0159\u00ed sem redukce \u0161umu, \u00faprava barev, zv\u00fd\u0161en\u00ed rozli\u0161en\u00ed a odstran\u011bn\u00ed prokladu. Tyto postupy pom\u00e1haj\u00ed zlep\u0161it celkovou plynulost a \u010distotu obrazu. 4. Chytr\u00e9 funkce: Mnoho sou\u010dasn\u00fdch televizor\u016f je vybaveno chytr\u00fdmi funkcemi, kter\u00e9 u\u017eivatel\u016fm umo\u017e\u0148uj\u00ed p\u0159\u00edstup k internetov\u00fdm zdroj\u016fm v\u010detn\u011b streamovac\u00edch slu\u017eeb, prohl\u00ed\u017een\u00ed webu a soci\u00e1ln\u00edch m\u00e9di\u00ed. U\u017eivatel\u00e9 mohou p\u0159istupovat k nejr\u016fzn\u011bj\u0161\u00edmu online obsahu d\u00edky Wi-Fi nebo ethernetov\u00e9mu p\u0159ipojen\u00ed, kter\u00e9 tyto televizory k internetu maj\u00ed. 5. Kvalita zvuku: P\u0159esto\u017ee televizory maj\u00ed vestav\u011bn\u00e9 reproduktory, kvalita zvuku nen\u00ed v\u017edy nejlep\u0161\u00ed. Pro zlep\u0161en\u00ed kvality zvuku v ur\u010dit\u00fdch situac\u00edch lze p\u0159ipojit extern\u00ed zvukov\u00e9 syst\u00e9my, jako jsou soundbary nebo syst\u00e9my dom\u00e1c\u00edho kina. 6. U\u017eivatelsk\u00e9 rozhran\u00ed: Televizory maj\u00ed u\u017eivatelsky p\u0159\u00edv\u011btiv\u00e1 rozhran\u00ed, kter\u00e1 u\u017eivatel\u016fm umo\u017e\u0148uj\u00ed p\u0159\u00edstup k v\u00edce aplikac\u00edm nebo vstup\u016fm, proch\u00e1zen\u00ed mnoha nastaven\u00edmi, \u00fapravu obrazu\/zvuku, a to obvykle pomoc\u00ed d\u00e1lkov\u00e9ho ovlada\u010de nebo hlasov\u00fdch p\u0159\u00edkaz\u016f u chytr\u00fdch televizor\u016f. P\u0159ipojen\u00ed: Sou\u010dasn\u00e9 televizory maj\u00ed \u0159adu vstupn\u00edch\/v\u00fdstupn\u00edch konektor\u016f, nap\u0159\u00edklad HDMI, USB, Ethernet a audio konektory. U\u017eivatel\u00e9 mohou prost\u0159ednictv\u00edm t\u011bchto port\u016f p\u0159ipojit extern\u00ed za\u0159\u00edzen\u00ed v\u010detn\u011b USB disk\u016f, p\u0159ehr\u00e1va\u010d\u016f Blu-ray, zvukov\u00fdch syst\u00e9m\u016f a hern\u00edch konzol\u00ed. 8. Streamov\u00e1n\u00ed obsahu: Chytr\u00e9 televizory umo\u017e\u0148uj\u00ed div\u00e1k\u016fm sledovat obsah p\u0159\u00edmo z webov\u00fdch str\u00e1nek, jako je Netflix, Amazon Prime Video nebo YouTube. U\u017eivatel\u00e9 mohou snadn\u011bji p\u0159istupovat ke sv\u00fdm obl\u00edben\u00fdm po\u0159ad\u016fm a film\u016fm d\u00edky speci\u00e1ln\u00edm aplikac\u00edm, kter\u00e9 tyto televizory \u010dasto poskytuj\u00ed pro zn\u00e1m\u00e9 streamovac\u00ed slu\u017eby. <\/p>\n

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Modern\u00ed televizory poskytuj\u00ed z\u00e1kazn\u00edk\u016fm pohlcuj\u00edc\u00ed a interaktivn\u00ed televizn\u00ed z\u00e1\u017eitek d\u00edky kombinaci \u0161pi\u010dkov\u00e9 zobrazovac\u00ed technologie, zpracov\u00e1n\u00ed sign\u00e1lu, inteligentn\u00edch funkc\u00ed a mo\u017enost\u00ed p\u0159ipojen\u00ed.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Jak daleko by m\u011bla b\u00fdt televize? Pro ur\u010den\u00ed ide\u00e1ln\u00ed vzd\u00e1lenosti od televize je kl\u00ed\u010dov\u00fd jeden parametr, a to \u00fahlop\u0159\u00ed\u010dka televize ud\u00e1van\u00e1 v palc\u00edch nebo v centimetrech. \u010c\u00edm v\u011bt\u0161\u00ed je televize, t\u00edm v\u011bt\u0161\u00ed je ide\u00e1ln\u00ed pozorovac\u00ed vzd\u00e1lenost, a naopak. Obvykle se ud\u00e1v\u00e1, \u017ee ide\u00e1ln\u00ed vzd\u00e1lenost od televize je 1,8 kr\u00e1t v\u011bt\u0161\u00ed ne\u017e jej\u00ed \u00fahlop\u0159\u00ed\u010dka. Dal\u0161\u00ed informace … \u010c\u00edst d\u00e1l<\/a><\/p>\n","protected":false},"author":2847,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4563],"tags":[],"class_list":["post-13959","post","type-post","status-publish","format-standard","hentry","category-televizni-technika"],"_links":{"self":[{"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/posts\/13959","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/users\/2847"}],"replies":[{"embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/comments?post=13959"}],"version-history":[{"count":0,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/posts\/13959\/revisions"}],"wp:attachment":[{"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/media?parent=13959"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/categories?post=13959"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tech-lib.eu\/tech\/wp-json\/wp\/v2\/tags?post=13959"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}