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He is a pioneer in the wireless communications industry, especially in radio spectrum management, with eleven patents in the field. [ 2 ] [ 3 ] On April 3, 1973, he placed the first public call from a handheld portable cell phone while working at Motorola , from a Manhattan sidewalk to his counterpart at competitor Bell Labs .
Wireless communication (or just wireless, when the context allows) is the transfer of information (telecommunication) between two or more points without the use of an electrical conductor, optical fiber or other continuous guided medium for the transfer. The most common wireless technologies use radio waves.
Guglielmo Giovanni Maria Marconi [11] [12] was born in Palazzo Marescalchi in Bologna on 25 April 1874, the second son of Giuseppe Marconi (an Italian aristocratic landowner from Porretta Terme who lived in the countryside of Pontecchio) and his Irish wife Annie Jameson (daughter of Andrew Jameson of Daphne Castle in County Wexford, sister of Scottish naturalist James Sligo Jameson, and ...
Mahlon Loomis (21 July 1826 – 13 October 1886) was an American dentist and inventor known for proposing a wireless communication and electric power generating system based on his idea that there were electrically charged layers in the Earth's atmosphere.
1896: First practical wireless telegraphy systems based on Radio. See: History of radio. 1900: first television displayed only black and white images. Over the next decades, colour television were invented, showing images that were clearer and in full colour. 1914: First North American transcontinental telephone calling; 1927: Television.
After radio communication was developed Lodge's lecture would become the focus of priority disputes over who invented wireless telegraphy (radio). His early demonstration and later development of radio tuning (his 1898 Syntonic tuning patent) would lead to patent disputes with the Marconi Company. When Lodge's syntonic patent was extended in ...
Between 1890 and 1892 physicists such as John Perry, Frederick Thomas Trouton and William Crookes proposed electromagnetic or Hertzian waves as a navigation aid or means of communication, with Crookes writing on the possibilities of wireless telegraphy based on Hertzian waves in 1892. [18]
Wireless communication Irving " Al " Gross ( / ɡ r oʊ s / ; February 22, 1918 – December 21, 2000) was a pioneer in mobile wireless communication . He created and patented many communications devices, specifically in relation to an early version of the walkie-talkie , [ 1 ] Citizens' Band radio , [ 2 ] the telephone pager [ 2 ] and the ...