mobile phone wikipedia - EAS
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Xem tất cả trên WikipediaMobile phone - Wikipedia
https://en.wikipedia.org/wiki/Mobile_phoneA mobile phone, cellular phone, cell phone, cellphone, handphone, or hand phone, sometimes shortened to simply mobile, cell or just phone, is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area. The radio
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Xem thêmA handheld mobile radio telephone service was envisioned in the early stages of radio engineering. In 1917, Finnish inventor Eric Tigerstedtfiled a patent for a "pocket-size folding telephone with a very thin carbon microphone". Early
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Smartphone
Smartphones have a number of distinguishing features. The International Telecommunication Unionmeasures those with Internet connection, which it calls Active Mobile-Broadband subscriptions (which includes tablets,...
Xem thêmMobile phones communicate with cell towers that are placed to give coverage across a telephone service area, which is divided up into 'cells'. Each cell uses a different set of frequencies from neighboring cells, and will typically be covered by three towers
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Feature phones have basic software platforms. Smartphones have advanced software platforms....
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In 2017, the top five manufacturers worldwide were Samsung (20.9%), Apple (14.0%), Huawei (9.8%),...
Xem thêmMobile phones are used for a variety of purposes, such as keeping in touch with family members, for conducting business, and in order to have
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Xem thêmThe common components found on all mobile phones are:
• A central processing unit (CPU), the processor of phones. The CPU is a microprocessor fabricated on a metal–oxide–semiconductor (MOS) integrated circuit(IC)...
Xem thêmVăn bản Wikipedia theo giấy phép CC-BY-SAMục này có hữu ích không?Cảm ơn! Cung cấp thêm phản hồiMobile phone - Simple English Wikipedia, the free encyclopedia
https://simple.wikipedia.org/wiki/Mobile_phoneXem thêm trên simple.wikipedia.orgMobile phones in the 1950s through 1970s were large and heavy, and most were built into cars. In the late 20th century technology improved so people could carry their phones easily. Although Dr. Martin Cooper from Motorolamade the first call using a mobile phone in 1973 (using a handset weighing 2 kilograms), it did not u…- Thời gian đọc ước tính: 8 phút
History of mobile phones - Wikipedia
https://en.wikipedia.org/wiki/History_of_mobile_phonesPrior to 1973, mobile telephony was limited to phones installed in cars and other vehicles. Motorola was the first company to produce a handheld mobile phone. On April 3, 1973, Martin Cooper, a Motorola researcher and executive, made the first mobile telephone call from handheld subscriber equipment, placing a call to Dr. Joel S. Engel of Bell Labs, his rival. The prototype handheld phone used by D…
Wikipedia · Nội dung trong CC-BY-SA giấy phépĐiện thoại di động – Wikipedia tiếng Việt
https://vi.wikipedia.org/wiki/Điện_thoại_di_độngXem thêm trên vi.wikipedia.orgNgày 10 tháng 3 năm 1876 được coi là mốc son đánh dấu sự ra đời của điện thoại. Cha đẻ của chiếc điện thoại đầu tiên là Antonio Meucci nhưng người được cấp bằng sáng chế là Alexander Graham Bell. Chiếc máy thô sơ có thể truyền được giọng nói này đã mở ra một kỷ nguyên phát triển mới trong lịch sử thông tin liên l…- Thời gian đọc ước tính: 16 phút
Mobile phone - Wikipedia
https://sco.wikipedia.org/wiki/Mobile_phoneA mobile phone (forby kent as a cellular phone, cell phone, an a haund phone) is a device that can mak an receive telephone caws ower a radio link while movin aroond a wide geographic aurie. It daes sae bi connectin tae a cellular network providit bi a mobile phone operator, allaein access tae the public telephone network.Bi contrast, a cordless telephone is uised anly within the …
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Category:Mobile phones - Wikimedia Commons
https://commons.wikimedia.org/wiki/Category:Mobile_phones24/08/2019 · Media in category "Mobile phones" The following 200 files are in this category, out of 622 total. (previous page) "Funkční makety".jpg "L'altro modo di vedere".jpg 'Mobile phone-mobiele telefoon-01.jpg 867 × 575; 391 KB. 2011-365-348 A Tale of Two Phones (6514803505).jpg. 3G speed brussel sept 2012 IMG 2886.JPG.
Mobile device - Simple English Wikipedia, the free ...
https://simple.wikipedia.org/wiki/Mobile_deviceA mobile device is an electronic device which its user can easily carry with them. Typical examples are a mobile phone, PDA and handheld game consoles.Mobile devices do not need an external power supply to work. Usually, they have a battery to hold electricity to work without electric wires.A user can change, send and move data by connecting to a modem or cable, or …
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Téléphone mobile — Wikipédia
https://fr.wikipedia.org/wiki/Téléphone_mobile- Invention
Le téléphone mobile est le résultat de différentes technologies qui existaient déjà, pour la plupart, dans les années 1970. C'est, entre autres, grâce à l’invention de « la cellule Gamma électrique » par Henry Sampson et George H. Miley, que le « téléphone portable » a pu faire son apparition[6]… - Normes mondiales
Les premiers appareils analogiques étaient, dans les années 1980, aux normes AMPS (DynaTac 8000[9]), NMT ou Radiocom 2000. Ils ont ensuite été remplacés par des appareils utilisant soit les normes numériques américaines D-AMPS ou CDMA, soit celles d'origine européenne GSM et ED…
- Précédé par: Téléphonie fixe
- Date: 1973
- Invention
Mobile — Wikipédia
https://fr.wikipedia.org/wiki/MobileL’adjectif mobile qualifie tout objet apte à se déplacer.. Le mot mobile peut désigner : . Art et décoration Un mobile est une sculpture de taille très variable animée par l'air (le vent), mue par l'eau en mouvement ou encore actionnée par l'électricité. Ce peut être un jouet ou une décoration suspendue en intérieur. Droit le mobile d'un crime ou délit, appelé Mens rea en latin ...
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Mobile (Kunst) – Wikipedia
https://de.wikipedia.org/wiki/Mobile_(Kunst)Ein Mobile [ˈmo:bilə] ist ein frei hängendes, ausbalanciertes, leichtes Gebilde, das schon von schwachem Luftzug bewegt wird.Der Begriff stammt aus dem Französischen (Adjektiv: mobile „beweglich, verstellbar, drehbar, lose, fig. lebhaft“, Substantiv: mobile „beweglicher Körper, fig. Motiv, Anlass, Beweggrund, Antrieb“).Die Bezeichnung wurde 1931 von Marcel Duchamp für die ...
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