[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.alfasrot.cz\/legendarni-zarovky-h4-a-h7\/#Article","mainEntityOfPage":"https:\/\/www.alfasrot.cz\/legendarni-zarovky-h4-a-h7\/","headline":"Legend\u00e1rn\u00ed \u017e\u00e1rovky H4 a H7","name":"Legend\u00e1rn\u00ed \u017e\u00e1rovky H4 a H7","description":"
 P\u0159edch\u016fdce dne\u0161n\u00ed auto\u017e\u00e1rovky s ozna\u010den\u00edm H7 byla ji\u017e mnoho let zn\u00e1m\u00e1 \u017e\u00e1rovka H4. Ta spat\u0159ilo sv\u011btlo sv\u011bta poprv\u00e9 ji\u017e v roce 1967 a v […]","datePublished":"2018-07-30","dateModified":"2023-05-15","author":{"@type":"Person","@id":"https:\/\/www.alfasrot.cz\/author\/#Person","name":"","url":"https:\/\/www.alfasrot.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/430c037ced90dcf4c538a5d7a160d8585497a2f79eed537d1a43f74320df11c6?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/430c037ced90dcf4c538a5d7a160d8585497a2f79eed537d1a43f74320df11c6?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"alfasrot.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.alfasrot.cz\/wp-content\/uploads\/img_a326193_w2323_t1538300149.jpg","url":"https:\/\/www.alfasrot.cz\/wp-content\/uploads\/img_a326193_w2323_t1538300149.jpg","height":0,"width":0},"url":"https:\/\/www.alfasrot.cz\/legendarni-zarovky-h4-a-h7\/","about":["Moto"],"wordCount":401,"articleBody":"
 P\u0159edch\u016fdce dne\u0161n\u00ed auto\u017e\u00e1rovky s ozna\u010den\u00edm H7 byla ji\u017e mnoho let zn\u00e1m\u00e1 \u017e\u00e1rovka H4. Ta spat\u0159ilo sv\u011btlo sv\u011bta poprv\u00e9 ji\u017e v roce 1967 a v roce 2017 tedy oslavila sv\u00e9 v\u00fdznamn\u00e9 \u017eivotn\u00ed jubileum \u2013 p\u016fl stolet\u00ed. Je\u0161t\u011b v 50. letech a v prvn\u00ed polovin\u011b let \u0161edes\u00e1t\u00fdch se v reflektorech automobil\u016f objevovaly pouze vl\u00e1knov\u00e9 \u017e\u00e1rovky, jejich\u017e osvit byl ve srovn\u00e1n\u00ed s halogeny mnohem ni\u017e\u0161\u00ed. Mus\u00edme si v\u0161ak uv\u011bdomit, \u017ee v t\u00e9to dob\u011b tak\u00e9 jezdily vozy mnohem ni\u017e\u0161\u00ed rychlost\u00ed a nav\u00edc byl nesrovnateln\u011b men\u0161\u00ed provoz, a to i na silnic\u00edch prvn\u00ed t\u0159\u00eddy. Zat\u00edmco dnes projede po takov\u00e9m \u201ehlavn\u00edm tahu\u201c b\u011bhem p\u016fl hodiny v pr\u016fm\u011bru 70 vozidel v obou sm\u011brech, tehdy jich bylo sotva p\u011bt.
 
 Nesmrteln\u00e1 \u201eh\u00e1 \u010dty\u0159ka\u201c
 N\u011bkte\u0159\u00ed odborn\u00edci na osv\u011btlovac\u00ed techniku tvrd\u00ed, \u017ee halogenov\u00e1 \u017e\u00e1rovka H4 p\u0159e\u017eije i n\u011bkter\u00e9 sv\u00e9 n\u00e1stupce a bude spolu s nov\u00fdmi typy sv\u011btel, zejm\u00e9na LED diodami, na trhu dostupn\u00e1 i dal\u0161\u00ed des\u00edtky let. A je to a\u017e k neuv\u011b\u0159en\u00ed, nebo\u0165 dnes je v automobilech instalov\u00e1no a\u017e \u010dty\u0159i stovky sv\u011bteln\u00fdch bod\u016f, tedy m\u00e1me na mysli osv\u011btlen\u00ed kabiny, p\u0159\u00edstrojov\u00e9 desky, zadn\u00ed sv\u011btla, blinkry, p\u0159edn\u00ed sv\u011btlomety a podp\u016frn\u00e9 osv\u011btlen\u00ed zavazadlov\u00e9ho prostoru.
 D\u016fvod, pro\u010d tyto halogenky z\u0159ejm\u011b p\u0159e\u017eij\u00ed i modern\u011bj\u0161\u00ed zdroje, je jejich zaveden\u00e1 jednoduch\u00e1 v\u00fdroba, t\u00edm p\u00e1dem n\u00edzk\u00e9 v\u00fdrobn\u00ed n\u00e1klady a velice n\u00edzk\u00e1 n\u00e1kupn\u00ed cena. Z\u00e1jem na trhu o \u017e\u00e1rovky H7 i H4 je zna\u010dn\u00fd a dokonce i \u201ezastaral\u00e9 modely\u201c h\u00e1 \u010dty\u0159ek vyr\u00e1b\u00ed i renomovan\u00ed v\u00fdrobci, nap\u0159. Osram.
 Pochopiteln\u011b, \u017ee je zakoup\u00edte i od nezna\u010dkov\u00fdch \u201eno name\u201c producent\u016f, v\u011bt\u0161inou z \u010c\u00edny, ale v tomto p\u0159\u00edpad\u011b se tu jedn\u00e1 sp\u00ed\u0161e o porovn\u00e1n\u00ed kvality kone\u010dn\u00e9ho produktu, nikoliv o samotn\u00e9m principu tohoto sv\u011btla.
 V sou\u010dasn\u00e9 dob\u011b se vyr\u00e1b\u00ed nejen v \u010c\u00edn\u011b a ve v\u011bt\u0161in\u011b evropsk\u00fdch zem\u00ed, a to v\u010detn\u011b n\u011bmeck\u00e9ho m\u011bsta Herbrechtingen, kde byla vynalezena, ale v\u011bt\u0161ina z\u00e1kladn\u00edch komponent\u016f pro tyto halogenky se vyr\u00e1b\u00ed i v \u010cesk\u00e9 republice, v brunt\u00e1lsk\u00e9 pobo\u010dce Osram.                                                                                                                                                                                                                                                                                                                                                                                        4.5\/5 - (8 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Legend\u00e1rn\u00ed \u017e\u00e1rovky H4 a H7","item":"https:\/\/www.alfasrot.cz\/legendarni-zarovky-h4-a-h7\/#breadcrumbitem"}]}]