![](\"http:\/\/congnghepc.com\/wp-content\/uploads\/2016\/09\/tai-sao-nen-cam-iphone-6s-bang-tay-phai-khi-goi-dien.jpg\")
<\/p>\n\tTrong qu\u00e1 kh\u1ee9, c\u1ed1 CEO Steve Jobs t\u1eebng gi\u1ea3i th\u00edch vi\u1ec7c iPhone 4 g\u1eb7p v\u1ea5n \u0111\u1ec1 v\u1ec1 t\u00edn hi\u1ec7u l\u00e0 do c\u00e1ch c\u1ea7m c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. Khi \u0111\u00f3, kh\u00f4ng \u00edt \u00fd ki\u1ebfn ph\u1ea3n b\u00e1c cho r\u1eb1ng v\u1ecb CEO c\u1ee7a Apple \u0111\u00e3 sai, th\u1eadm ch\u00ed c\u00f3 ng\u01b0\u1eddi bu\u1ed3n c\u01b0\u1eddi v\u00ec c\u00e2u n\u00f3i c\u1ee7a \u00f4ng.<\/p>\n
\tTuy nhi\u00ean, c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u c\u1ee7a Gi\u00e1o s\u01b0 Gert Fr\u00f8lund Pedersen thu\u1ed9c \u0110\u1ea1i h\u1ecdc Aalborg (\u0110an M\u1ea1ch) ch\u1ee9ng minh r\u1eb1ng Jobs \u0111\u00e3 \u0111\u00fang.<\/p>\n
\tTrong th\u1ed1ng k\u00ea \u0111\u0103ng tr\u00ean Bussiness Insider, Gi\u00e1o s\u01b0 Pedersen \u0111\u00e3 ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m c\u01b0\u1eddng \u0111\u1ed9 t\u00edn hi\u1ec7u c\u1ee7a 26 smartphone ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay khi c\u1ea7m b\u1eb1ng tay ph\u1ea3i v\u00e0 tay tr\u00e1i, sau \u0111\u00f3 l\u1eadp bi\u1ec3u \u0111\u1ed3 so s\u00e1nh s\u1ef1 ch\u00eanh l\u1ec7ch.<\/p>\n
<\/p>\n
\t\t\t\t\tS\u1ef1 ch\u00eanh l\u1ec7ch c\u01b0\u1eddng \u0111\u1ed9 t\u00edn hi\u1ec7u theo v\u1ecb tr\u00ed\u00a0tay c\u1ea7m\u00a0x\u1ea3y ra v\u1edbi b\u1ea5t k\u1ef3 \u0111i\u1ec7n tho\u1ea1i n\u00e0o, nh\u01b0ng n\u00f3 kh\u00f4ng l\u1edbn nh\u01b0 iPhone 6s v\u00e0 iPhone 6s Plus.<\/p>\n
\tK\u1ebft qu\u1ea3, iPhone 6s v\u00e0 iPhone 6s Plus c\u00f3 m\u1ee9c ch\u00eanh l\u1ec7ch t\u00edn hi\u1ec7u l\u1edbn nh\u1ea5t. Khi nghe \u0111i\u1ec7n tho\u1ea1i b\u1eb1ng tay ph\u1ea3i, iPhone 6s Plus cho t\u00edn hi\u1ec7u l\u00ean t\u1edbi 18,7 dBm (decibel mili) nh\u01b0ng n\u1ebfu c\u1ea7m b\u1eb1ng tay tr\u00e1i th\u00ec ch\u1ec9 l\u00e0 6,5 dBm, th\u1ea5p h\u01a1n t\u1edbi g\u1ea7n 3 l\u1ea7n. iPhone 6s c\u0169ng c\u00f3 m\u1ee9c ch\u00eanh l\u1ec7ch g\u1ea7n g\u1ea5p \u0111\u00f4i, 15,1 dBm so v\u1edbi 8,7 dBm.<\/p>\n
\tTrong danh s\u00e1ch c\u00f2n c\u00f3 m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb kh\u00e1c, bao g\u1ed3m Lumia 640 c\u1ee7a Microsoft, Desire 626 c\u1ee7a HTC\u2026 v\u00e0 c\u1ea3 iPhone SE. So v\u1edbi iPhone 6s v\u00e0 iPhone 6s Plus, m\u1ee9c ch\u00eanh l\u1ec7ch c\u01b0\u1eddng \u0111\u1ed9 t\u00edn hi\u1ec7u c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m tr\u00ean \u00edt h\u01a1n.<\/p>\n
\tTheo Gi\u00e1o s\u01b0 Pedersen, hi\u1ec7n t\u01b0\u1ee3ng ch\u00eanh l\u1ec7ch t\u00edn hi\u1ec7u khi c\u1ea7m \u0111i\u1ec7n tho\u1ea1i b\u1eb1ng tay ph\u1ea3i so v\u1edbi tay tr\u00e1i g\u1ecdi l\u00e0 “body loss”. N\u00f3 th\u1ec3 hi\u1ec7n s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u01a1 th\u1ec3 con ng\u01b0\u1eddi v\u1edbi c\u00e1ch thi\u1ebft k\u1ebf \u0103ng-ten tr\u00ean \u0111i\u1ec7n tho\u1ea1i n\u00f3i chung v\u00e0 smartphone n\u00f3i ri\u00eang.<\/p>\n
\t“C\u01b0\u1eddng \u0111\u1ed9 t\u00edn hi\u1ec7u ph\u1ee5 thu\u1ed9c m\u1ea1nh m\u1ebd v\u00e0o c\u00e1ch b\u1ed1 tr\u00ed \u0103ng-ten tr\u00ean thi\u1ebft b\u1ecb di \u0111\u1ed9ng v\u00e0 c\u00e1ch ng\u01b0\u1eddi d\u00f9ng c\u1ea7m n\u00f3. N\u1ebfu c\u1ea7m sai c\u00e1ch, t\u00edn hi\u1ec7u \u0111i v\u00e0o s\u1ebd b\u1ecb che m\u1ea5t, v\u00e0 ng\u01b0\u1ee3c l\u1ea1i”, Gi\u00e1o s\u01b0 Pedersen gi\u1ea3i th\u00edch.<\/p>\n
\tTuy nhi\u00ean, \u00f4ng nh\u1ea5n m\u1ea1nh r\u1eb1ng s\u1ef1 ch\u00eanh l\u1ec7ch tr\u00ean kh\u00f4ng l\u1edbn khi ng\u01b0\u1eddi d\u00f9ng s\u1eed d\u1ee5ng smartphone \u1edf n\u01a1i s\u00f3ng \u0111i\u1ec7n tho\u1ea1i m\u1ea1nh, ho\u1eb7c \u0111\u1ec3 k\u1ebft n\u1ed1i d\u1eef li\u1ec7u cho c\u00e1c m\u1ee5c \u0111\u00edch kh\u00e1c, nh\u01b0 l\u01b0\u1edbt web, m\u1ea1ng x\u00e3 h\u1ed9i, \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng, stream video, xem phim, nghe nh\u1ea1c\u2026<\/p>\n
\tTheo d\u1ef1 \u0111o\u00e1n, v\u1edbi vi\u1ec7c iPhone 7 v\u00e0 iPhone 7 Plus ra m\u1eaft lo\u1ea1i b\u1ecf d\u1ea3i nh\u1ef1a \u0103ng-ten, v\u1ea5n \u0111\u1ec1 ch\u00eanh l\u1ec7ch t\u00edn hi\u1ec7u n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n h\u01a1n. Nh\u01b0ng \u0111\u1ec3 c\u00f3 th\u1ec3 ki\u1ec3m ch\u1ee9ng, ph\u1ea3i \u0111\u1ee3i \u0111\u1ebfn khi thi\u1ebft b\u1ecb c\u00f3 m\u1eb7t ch\u00ednh th\u1ee9c tr\u00ean th\u1ecb tr\u01b0\u1eddng.<\/p>\n
\tApple ch\u01b0a \u0111\u01b0a ra b\u00ecnh lu\u1eadn n\u00e0o v\u1ec1 nghi\u00ean c\u1ee9u n\u00e0y.<\/p>\n
\tB\u1ea3o L\u00e2m<\/p>\n","protected":false},"excerpt":{"rendered":"
Trong qu\u00e1 kh\u1ee9, c\u1ed1 CEO Steve Jobs t\u1eebng gi\u1ea3i th\u00edch vi\u1ec7c iPhone 4 g\u1eb7p v\u1ea5n \u0111\u1ec1 v\u1ec1 t\u00edn hi\u1ec7u l\u00e0 […]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[149],"tags":[],"class_list":["post-5657","post","type-post","status-publish","format-standard","hentry","category-thu-thuat-thiet-bi-so"],"views":411,"_links":{"self":[{"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/posts\/5657","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/comments?post=5657"}],"version-history":[{"count":0,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/posts\/5657\/revisions"}],"wp:attachment":[{"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/media?parent=5657"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/categories?post=5657"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/tags?post=5657"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}