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The history of mobile phones covers mobile communication devices that connect wirelessly to the public switched telephone network. While the transmission of speech by signal has a long history, the first devices that were wireless, mobile, and also capable of connecting to the standard telephone network are much more recent.
11 February 1876: Elisha Gray invents a liquid transmitter for use with a telephone, but he did not make one. 14 February 1876 about 9:30 am: Gray or his lawyer brings Gray's patent caveat for the telephone to the Washington, D.C. Patent Office (a caveat was a notice of intention to file a patent application.
Families use cell phones to get in touch with their children by the use of e-mails and web (George, 2008). These families contact their children to know how they're redoing and entertain them in the process. Moreover, cell phone communication brings families more closely increasing the relationship between family members.
[40] [41] [42] It had a 3.5" capacitive touchscreen with twice the common resolution of most smartphone screens at the time, [43] and introduced multi-touch to phones, which allowed gestures such as "pinching" to zoom in or out on photos, maps, and web pages. The iPhone was notable as being the first device of its kind targeted at the mass ...
The wireless revolution began in the 1990s, [57] [58] [59] with the advent of digital wireless networks leading to a social revolution, and a paradigm shift from wired to wireless technology, [60] including the proliferation of commercial wireless technologies such as cell phones, mobile telephony, pagers, wireless computer networks, [57 ...
Japan was a leader in mobile phone technology. The first commercial camera phone was the Kyocera Visual Phone VP-210, released in Japan in May 1999. [2] The first mass-market camera phone was the J-SH04, a Sharp J-Phone model sold in Japan in November 2000. [3] It could instantly transmit pictures via cell phone telecommunication. [4]
Timeline of telescope technology; Timeline of telescopes, observatories, and observing technology; Timeline of temperature and pressure measurement technology; Timeline of cultivation and domestication in South and West Asia; Timeline of global surveillance disclosures (2013–present) Timeline of online video
The following outline is provided as an overview of and topical guide to telecommunication: . Telecommunication – the transmission of signals over a distance for the purpose of communication.