{"id":31321,"date":"2024-11-29T10:07:11","date_gmt":"2024-11-29T10:07:11","guid":{"rendered":"https:\/\/www.techopedia.com\/fr\/?post_type=definition&#038;p=31321"},"modified":"2024-11-29T10:07:52","modified_gmt":"2024-11-29T10:07:52","slug":"bluetooth","status":"publish","type":"definition","link":"https:\/\/www.techopedia.com\/fr\/dictionnaire\/bluetooth","title":{"rendered":"Bluetooth"},"content":{"rendered":"<h2><span id=\"quest-ce_que_le_bluetooth\">Qu&#8217;est-ce que le Bluetooth ?<\/span><\/h2>\n<div class=\"su-note\"  style=\"border-color:#e5e54c;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#FFFF66;border-color:#ffffff;color:#333333;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\">\n<p>Le Bluetooth est une norme de technologie sans fil ouverte permettant la transmission de donn\u00e9es entre appareils \u00e9lectroniques fixes et mobiles sur de courtes distances.<\/p>\n<\/div><\/div>\n<p><strong>Le Bluetooth a \u00e9t\u00e9 introduit en 1994 en tant que substitut sans fil aux c\u00e2bles RS-232.<\/strong><\/p>\n<p>Bluetooth communique avec une vari\u00e9t\u00e9 d&#8217;appareils \u00e9lectroniques et cr\u00e9e des r\u00e9seaux personnels fonctionnant dans la bande de 2,4 GHz sans licence.<\/p>\n<p>La port\u00e9e de fonctionnement d\u00e9pend de l&#8217;appareil. De nombreux appareils num\u00e9riques, tels que les lecteurs MP3, les smartphones ou encore les ordinateurs personnels utilisent le Bluetooth.<\/p>\n<h2><span id=\"techopedia_explique_le_bluetooth\">Techopedia explique le Bluetooth<\/span><\/h2>\n<p>Contrairement aux autres technologies sans fil, le Bluetooth se caract\u00e9rise par des services de haut niveau tels que la transmission de fichiers, la transmission vocale et l&#8217;\u00e9mulation de ligne s\u00e9rie.<\/p>\n<p>Les caract\u00e9ristiques de Bluetooth sont les suivantes :<\/p>\n<ul>\n<li>Caract\u00e9ristiques bas\u00e9es sur la technologie d&#8217;\u00e9talement du spectre par saut de fr\u00e9quence<\/li>\n<li>Le r\u00e9seau communique avec un dispositif Bluetooth ma\u00eetre etse forme d&#8217;un maximum de sept dispositifs.<\/li>\n<li>La pile FreeBSD est ex\u00e9cut\u00e9e avec un cadre Netgraph via des signaux de transmission radio \u00e0 courte port\u00e9e<\/li>\n<li>La technologie des dispositifs comprend la confidentialit\u00e9, la d\u00e9rivation de cl\u00e9s et l&#8217;authentification par le biais d&#8217;algorithmes de chiffrement SAFER (Secure and Fast Encryption Routine).<\/li>\n<\/ul>\n<div class=\"su-note\"  style=\"border-color:#e5e57f;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#FFFF99;border-color:#ffffff;color:#333333;border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;\"><div class=\"su-list\" style=\"margin-left:0px\">\n<p>Le Bluetooth s&#8217;utilise dans les cas suivants :<\/p>\n<ul>\n<li><i class=\"sui sui-check-circle\" style=\"color:#0191C4\"><\/i> Contr\u00f4le et communication sans fil entre les casques mobiles et les casques mains libres<\/li>\n<li><i class=\"sui sui-check-circle\" style=\"color:#0191C4\"><\/i> R\u00e9seau sans fil entre plusieurs ordinateurs dans des zones \u00e0 couverture limit\u00e9e<\/li>\n<li><i class=\"sui sui-check-circle\" style=\"color:#0191C4\"><\/i> Communication sans fil avec les PC et les <a href=\"https:\/\/www.techopedia.com\/fr\/dictionnaire\/peripherique-dentree-sortie\">p\u00e9riph\u00e9riques d&#8217;entr\u00e9e\/sortie (E\/S)<\/a><\/li>\n<li><i class=\"sui sui-check-circle\" style=\"color:#0191C4\"><\/i> Transfert des fichiers, des coordonn\u00e9es et des rendez-vous de calendrier entre plusieurs appareils via l&#8217;\u00e9change d&#8217;objets (OBEX)<\/li>\n<li><i class=\"sui sui-check-circle\" style=\"color:#0191C4\"><\/i> Remplacement des communications filaires conventionnelles, comme les r\u00e9cepteurs GPS, les \u00e9quipements m\u00e9dicaux, les dispositifs de contr\u00f4le de la circulation et les lecteurs de codes-barres.<\/li>\n<li><i class=\"sui sui-check-circle\" style=\"color:#0191C4\"><\/i> Applications \u00e0 faible bande passante, lorsque les d\u00e9bits plus \u00e9lev\u00e9s tels que l&#8217;USB ne sont pas n\u00e9cessaires<\/li>\n<li><i class=\"sui sui-check-circle\" style=\"color:#0191C4\"><\/i> \u00c9tablissement d&#8217;un pont entre plusieurs r\u00e9seaux Ethernet industriels.<\/li>\n<li><i class=\"sui sui-check-circle\" style=\"color:#0191C4\"><\/i> Contr\u00f4leurs sans fil dans de nombreux jeux interactifs et stations de jeux<\/li>\n<li><i class=\"sui sui-check-circle\" style=\"color:#0191C4\"><\/i> Acc\u00e8s \u00e0 une connexion Internet par ligne commut\u00e9e via un PDA ou un PC<\/li>\n<li><i class=\"sui sui-check-circle\" style=\"color:#0191C4\"><\/i> Gestion de la transmission de donn\u00e9es \u00e0 courte distance entre les appareils m\u00e9dicaux et les <a href=\"https:\/\/www.techopedia.com\/fr\/dictionnaire\/telephone-cellulaire\">appareils cellulaires<\/a>\/autres appareils de t\u00e9l\u00e9sant\u00e9<\/li>\n<li><i class=\"sui sui-check-circle\" style=\"color:#0191C4\"><\/i> Communication par t\u00e9l\u00e9phone mobile avec les t\u00e9l\u00e9communications sans fil am\u00e9lior\u00e9es par la technologie DECT<\/li>\n<li><i class=\"sui sui-check-circle\" style=\"color:#0191C4\"><\/i> Identification et suivi de la position des objets gr\u00e2ce au syst\u00e8me de localisation en temps r\u00e9el<\/li>\n<li><i class=\"sui sui-check-circle\" style=\"color:#0191C4\"><\/i> Suivi des d\u00e9placements du b\u00e9tail et des prisonniers<\/li>\n<li><i class=\"sui sui-check-circle\" style=\"color:#0191C4\"><\/i> Applications de s\u00e9curit\u00e9 mobile personnelle<\/li>\n<\/ul>\n<\/div><\/div><\/div>\n<p><strong>Le nom Bluetooth vient du mot scandinave Bl\u00e5tand\/Bl\u00e5tann<\/strong>, qui tire son origine de Harald \u00ab Bluetooth \u00bb Gormsson I, originaire du Danemark. Ce roi a r\u00e9gn\u00e9 au Xe si\u00e8cle et a r\u00e9uni les tribus danoises discordantes en un seul royaume.<\/p>\n<p>D\u00e8s lors, le terme Bluetooth a \u00e9t\u00e9 choisi pour indiquer qu&#8217;il avait r\u00e9uni les protocoles de communication en une seule norme universelle.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Qu&#8217;est-ce que le Bluetooth ? Le Bluetooth a \u00e9t\u00e9 introduit en 1994 en tant que substitut sans fil aux c\u00e2bles RS-232. Bluetooth communique avec une vari\u00e9t\u00e9 d&#8217;appareils \u00e9lectroniques et cr\u00e9e des r\u00e9seaux personnels fonctionnant dans la bande de 2,4 GHz sans licence. La port\u00e9e de fonctionnement d\u00e9pend de l&#8217;appareil. De nombreux appareils num\u00e9riques, tels que [&hellip;]<\/p>\n","protected":false},"author":287307,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"definitioncat":[125],"class_list":["post-31321","definition","type-definition","status-publish","format-standard","hentry","definitioncat-sans-fil-et-mobile"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.2 (Yoast SEO v24.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Que signifie le Bluetooth ? D\u00e9finition<\/title>\n<meta name=\"description\" content=\"Techopedia explique la signification du Bluetooth. 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