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Wireless telegraphy   Listen
adjective
Wireless  adj.  Having no wire; specif. (Elec.), Designating, or pertaining to, a method of telegraphy, telephony, or other information transmisssion, in which the messages, data, etc., are transmitted through space by electric waves; as, a wireless message; a wireless network; a wireless keyboard.
Wireless telegraphy or Wireless telegraph (Elec.), any system of telegraphy employing no connecting wire or wires between the transmitting and receiving stations. Note: Although more or less successful researchers were made on the subject by Joseph Henry, Hertz, Oliver Lodge, and others, the first commercially successful system was that of Guglielmo Marconi, patented in March, 1897. Marconi employed electric waves of high frequency set up by an induction coil in an oscillator, these waves being launched into space through a lofty antenna. The receiving apparatus consisted of another antenna in circuit with a coherer and small battery for operating through a relay the ordinary telegraphic receiver. This apparatus contains the essential features of all the systems now in use.
Wireless telephone, an apparatus or contrivance for wireless telephony.
Wireless telephony, telephony without wires, usually employing electric waves of high frequency emitted from an oscillator or generator, as in wireless telegraphy. A telephone transmitter causes fluctuations in these waves, it being the fluctuations only which affect the receiver.






Collaborative International Dictionary of English 0.48








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"Wireless telegraphy" Quotes from Famous Books



... devised to hold documents, also two arm-chairs, and a suspended contrivance which showed the hour, the temperature, and the fluctuations of the barometer; there was also a speaking-tube. One felt that if the machine had been connected by wireless telegraphy with the Stock Exchange, the leading studios and the Houses of Parliament, and if a little restaurant had been constructed in the rear, Mr. Oxford might never have been under the necessity of leaving the car; that he might have passed ...
— Buried Alive: A Tale of These Days • Arnold Bennett

... personal reminiscences and heart to heart confessions the simpering old thing must have stored away behind her placid countenance. It is a wonder that no enterprising journal has syndicated her memoirs by wireless telegraphy for the exclusive use of ...
— People of the Whirlpool • Mabel Osgood Wright

... while this book was in course of preparation the author wrote out an account of an application of wireless telegraphy to the purpose of keeping all the clocks within a given area correct to one standard time. Within a few days there came to hand a copy of Engineering in which exactly the same suggestion was put forward, and an announcement was made to the effect that ...
— Twentieth Century Inventions - A Forecast • George Sutherland



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