{"id":913,"date":"2008-12-10T14:23:40","date_gmt":"2008-12-10T12:23:40","guid":{"rendered":"http:\/\/jhoupier.free.fr\/?p=840"},"modified":"2020-12-03T14:57:52","modified_gmt":"2020-12-03T13:57:52","slug":"invention-du-clavier","status":"publish","type":"post","link":"https:\/\/houpier.fr\/?p=913","title":{"rendered":"Invention du clavier"},"content":{"rendered":"<p>Le clavier QWERTY (et par extension le clavier AZERTY pour la France) a \u00e9t\u00e9 invent\u00e9 en 1868 par l&rsquo;am\u00e9ricain Christopher Sholes. Les machines \u00e0 \u00e9crire fonctionnaient alors avec un syst\u00e8me de \u00ab\u00a0tiges\u00a0\u00bb : lorsque l&rsquo;op\u00e9rateur frappait une touche, la tige correspondante \u00e9tait actionn\u00e9e et venait imprimer l&rsquo;encre sur le papier. Cependant, plus on frappait vite, plus les tiges adjacentes avaient tendance \u00e0 se superposer et \u00e0 bloquer la m\u00e9canique. Sholes eut alors l&rsquo;id\u00e9e d&rsquo;\u00e9loigner les unes des autres les lettres les plus courantes de la langue anglaise, de telle sorte que l&rsquo;on puisse toujours taper aussi vite sans que les tiges ne s&#8217;emm\u00ealent. Il commanda une \u00e9tude statistique \u00e0 ce sujet et mit au point le clavier QWERTY.<br \/>\nsource : <a href=\"http:\/\/www.linternaute.com\/science\/invention\/\">Encyclop\u00e9die des inventions<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le clavier QWERTY (et par extension le clavier AZERTY pour la France) a \u00e9t\u00e9 invent\u00e9 en 1868 par l&rsquo;am\u00e9ricain Christopher Sholes. Les machines \u00e0 \u00e9crire fonctionnaient alors avec un syst\u00e8me de \u00ab\u00a0tiges\u00a0\u00bb : lorsque l&rsquo;op\u00e9rateur frappait une touche, la tige correspondante \u00e9tait actionn\u00e9e et venait imprimer l&rsquo;encre sur le papier. Cependant, plus on frappait vite, &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/houpier.fr\/?p=913\" class=\"more-link\">Continuer la lecture<span class=\"screen-reader-text\"> de &laquo;&nbsp;Invention du clavier&nbsp;&raquo;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[143],"tags":[],"class_list":["post-913","post","type-post","status-publish","format-standard","hentry","category-inventions"],"_links":{"self":[{"href":"https:\/\/houpier.fr\/index.php?rest_route=\/wp\/v2\/posts\/913","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/houpier.fr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/houpier.fr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/houpier.fr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/houpier.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=913"}],"version-history":[{"count":1,"href":"https:\/\/houpier.fr\/index.php?rest_route=\/wp\/v2\/posts\/913\/revisions"}],"predecessor-version":[{"id":4548,"href":"https:\/\/houpier.fr\/index.php?rest_route=\/wp\/v2\/posts\/913\/revisions\/4548"}],"wp:attachment":[{"href":"https:\/\/houpier.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=913"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/houpier.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=913"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/houpier.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=913"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}