[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.uvis.cz\/pohyblive-obrazky-jsou-dnes-samozrejmosti\/#Article","mainEntityOfPage":"https:\/\/www.uvis.cz\/pohyblive-obrazky-jsou-dnes-samozrejmosti\/","headline":"Pohybliv\u00e9 obr\u00e1zky jsou dnes samoz\u0159ejmost\u00ed","name":"Pohybliv\u00e9 obr\u00e1zky jsou dnes samoz\u0159ejmost\u00ed","description":"N\u011bkter\u00e9 v\u011bci bereme dnes jako naprost\u00e9 samoz\u0159ejmosti, bez kter\u00fdch u\u017e si nedovedeme p\u0159edstavit b\u011b\u017en\u00fd \u017eivot. Jednou z nich je bezpochyby televize. Je pravda, \u017ee jsou mezi n\u00e1mi tac\u00ed, kte\u0159\u00ed tento p\u0159\u00edstroj do sv\u00e9ho soukrom\u00ed dosud nepustili. T\u011bch je ale opravdu velice m\u00e1lo. My ostatn\u00ed r\u00e1di used\u00e1me (v\u011bt\u0161inou ve\u010der) p\u0159ed televizn\u00ed obrazovky v o\u010dek\u00e1v\u00e1n\u00ed, \u017ee se […]","datePublished":"2025-03-07","dateModified":"2023-04-28","author":{"@type":"Person","@id":"https:\/\/www.uvis.cz\/author\/#Person","name":"uvis.cz\n","url":"https:\/\/www.uvis.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/232437c79d6ebbb41eb67b1526ce0bc08ee5047d6b1594dc05abcc3258d8e0b3?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/232437c79d6ebbb41eb67b1526ce0bc08ee5047d6b1594dc05abcc3258d8e0b3?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"uvis.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.uvis.cz\/wp-content\/uploads\/img_a299715_w2025_t1509643049.jpg","url":"https:\/\/www.uvis.cz\/wp-content\/uploads\/img_a299715_w2025_t1509643049.jpg","height":0,"width":0},"url":"https:\/\/www.uvis.cz\/pohyblive-obrazky-jsou-dnes-samozrejmosti\/","about":["Elektro"],"wordCount":390,"articleBody":"\tN\u011bkter\u00e9 v\u011bci bereme dnes jako naprost\u00e9 samoz\u0159ejmosti, bez kter\u00fdch u\u017e si nedovedeme p\u0159edstavit b\u011b\u017en\u00fd \u017eivot. Jednou z nich je bezpochyby televize. Je pravda, \u017ee jsou mezi n\u00e1mi tac\u00ed, kte\u0159\u00ed tento p\u0159\u00edstroj do sv\u00e9ho soukrom\u00ed dosud nepustili. T\u011bch je ale opravdu velice m\u00e1lo. My ostatn\u00ed r\u00e1di used\u00e1me (v\u011bt\u0161inou ve\u010der) p\u0159ed televizn\u00ed obrazovky v o\u010dek\u00e1v\u00e1n\u00ed, \u017ee se budeme dob\u0159e bavit. \t\t\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Ale s t\u00edm nem\u00e1 elektronick\u00fd p\u0159\u00edstroj, zvan\u00fd televizor, nic spole\u010dn\u00e9ho.\t\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 On jen pou\u0161t\u00ed do va\u0161eho bytu to, co do n\u011bho z druh\u00e9 strany n\u011bkdo vlo\u017e\u00ed.\tJak vlastn\u011b funguje televizn\u00ed vys\u00edl\u00e1n\u00ed?Je a\u017e neuv\u011b\u0159iteln\u00e9, \u017ee tento princip definoval u\u017e roku 1843 Skot Alex Bain. On to byl v\u016fbec rok bohat\u00fd na d\u016fle\u017eit\u00e9 ud\u00e1losti. Jednou z nich bylo i to, \u017ee v Da\u010dic\u00edch spat\u0159ila sv\u011btlo sv\u011bta kostka cukru.\t–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Alex Bain tedy o televizn\u00edm vys\u00edl\u00e1n\u00ed (kter\u00e9 je\u0161t\u011b neexistovalo) prohl\u00e1sil, \u017ee se mus\u00ed obraz rozlo\u017eit na jednotliv\u00e9 \u0159\u00e1dky, kter\u00e9 se d\u00e1le rozd\u011bl\u00ed na body.\t–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Vznikl\u00e9 body se pot\u00e9 p\u0159evedou na elektrick\u00e9 impulzy.\t–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Ty se pak pomoc\u00ed vln\u011bn\u00ed p\u0159en\u00e1\u0161ej\u00ed k p\u0159ij\u00edma\u010di a tam se z nich op\u011bt st\u00e1vaj\u00ed sv\u011bteln\u00e9 body, kter\u00e9 se slo\u017e\u00ed v p\u016fvodn\u00ed obraz.\t–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Dalo by se \u0159\u00edci, \u017ee je to takov\u00e1 teleportace.\tJe a\u017e neuv\u011b\u0159iteln\u00e9, \u017ee mohl n\u011bkdo popsat jev, kter\u00fd se objev\u00ed a\u017e o osmdes\u00e1t let pozd\u011bji. Vid\u011bl Bain d\u00e1l?\tPrvn\u00ed byla BBSPrvn\u00ed televizn\u00ed p\u0159enos se uskute\u010dnil roku 1925. Bylo to d\u00edky dal\u0161\u00edmu Skotovi, kter\u00fd se jmenoval John Baird.\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Pokud bychom na p\u0159en\u00e1\u0161en\u00fd obraz hled\u011bli dne\u0161n\u00edma o\u010dima, asi bychom moc nad\u0161en\u00ed neprojevovali.\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Obraz byl toti\u017e sotva k pozn\u00e1n\u00ed.\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Tv\u00e1\u0159 na obrazovce vypadala sp\u00ed\u0161e jako by p\u0159i\u0161la ze z\u00e1hrob\u00ed.Ale byl to obrovsk\u00fd \u00fasp\u011bch. O jeden\u00e1ct let technologie natolik postoupila, \u017ee se mohlo p\u0159istoupit k prvn\u00edmu pravideln\u00e9mu vys\u00edl\u00e1n\u00ed. Prvn\u00ed televizn\u00ed spole\u010dnost\u00ed, kter\u00e1 se pravideln\u00e9ho vys\u00edl\u00e1n\u00ed zhostila, byla britsk\u00e1 BBS. A kolik bylo televizn\u00edch div\u00e1k\u016f? P\u0159ibli\u017en\u011b t\u0159i stovky.                                                                                                                                                                                                                                                                                                                                                                                                "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Pohybliv\u00e9 obr\u00e1zky jsou dnes samoz\u0159ejmost\u00ed","item":"https:\/\/www.uvis.cz\/pohyblive-obrazky-jsou-dnes-samozrejmosti\/#breadcrumbitem"}]}]