{"id":814,"date":"2004-12-03T10:47:00","date_gmt":"2004-12-03T09:47:00","guid":{"rendered":"https:\/\/kids.esa.int\/unusual_uses\/"},"modified":"2026-10-08T00:32:35","modified_gmt":"2026-10-07T22:32:35","slug":"unusual_uses","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/fr\/unusual_uses\/","title":{"rendered":"Utilisations inhabituelles"},"content":{"rendered":"<div class=\"lede\">\n<p>De nouvelles utilisations de la navigation par satellites sont \u00e9tudi\u00e9es par l'ESA avant m\u00eame la mise en service de Galileo.<\/p>\n<\/div>\n<p>Un exemple est un navigateur personnel qui pourrait bient\u00f4t permettre aux non-voyants de donner des indications \u00e0 un chauffeur de taxi.<\/p>\n<p>Baptis\u00e9 \u2018 Tormes \u2019, il se compose d'un ordinateur \u00e9quip\u00e9 d'un clavier braille et d'un syst\u00e8me de navigation par satellite. Cet appareil portable p\u00e8se moins d'un kilo, ce qui le rend facile \u00e0 transporter.<\/p>\n<p>Tormes peut parler \u00e0 son utilisateur et le guider l\u00e0 o\u00f9 il veut aller ou lui dire o\u00f9 il se trouve.<\/p>\n<figure class=\"wp-block-image size-natural\" data-width=\"309\" data-credit=\"ESA\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2002\/12\/Personal_navigator_system_for_the_blind2\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2002\/12\/personal_navigator_system_for_the_blind2\/17865231-3-eng-GB\/Personal_navigator_system_for_the_blind.gif\" alt=\"Personal navigator system for the blind\"><\/figure>\n<p>Le syst\u00e8me s'appuie sur la technologie EGNOS d\u00e9velopp\u00e9e par l'ESA. Elle corrige les signaux des satellites GPS pour donner une position avec une pr\u00e9cision de 2 m\u00e8tres.<\/p>\n<p>Cette am\u00e9lioration de pr\u00e9cision est essentielle pour un non-voyant qui marche dans une ville. Elle lui permet de savoir quelle rue il traverse et m\u00eame sur quel trottoir il se trouve.<\/p>\n<p>Parfois les signaux des satellites sont bloqu\u00e9s par les b\u00e2timents \u00e9lev\u00e9s. Les ing\u00e9nieurs de l'ESA ont trouv\u00e9 un moyen d'\u00e9viter ce probl\u00e8me. SISNeT permet de recevoir les signaux par l'Internet et une connexion GSM sans fil sur un ordinateur portable.<\/p>","protected":false},"excerpt":{"rendered":"<p>New uses for satellite navigation are being studied by ESA even before Galileo comes into service. One example is a personal navigator that may soon make it possible for blind [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2003\/06\/tormes_will_help_the_blind_find_their_way2\/18247881-2-eng-GB\/Tormes_will_help_the_blind_find_their_way.jpg","esa_banner_description":"","esa_banner_credit":"ESA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2003\/06\/Tormes_will_help_the_blind_find_their_way2","esa_external_url":"","esa_external_new_window":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[10,54,40],"tags":[2],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-814","post","type-post","status-publish","format-standard","hentry","category-learn","category-space-technologies-on-earth","category-technology","tag-background-article"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/posts\/814","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/comments?post=814"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/posts\/814\/revisions"}],"predecessor-version":[{"id":4699,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/posts\/814\/revisions\/4699"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/media?parent=814"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/categories?post=814"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/tags?post=814"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/panel?post=814"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/language?post=814"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/age?post=814"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/duration?post=814"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/resource_type?post=814"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/audience?post=814"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/wf_post_folders?post=814"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}