wire telegraphy
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Telegraphy — (from the Greek words (τηλε) = far and (γραφειν) = write) is the long distance transmission of written messages without physical transport of letters. Radiotelegraphy or wireless telegraphy transmits messages using radio. Telegraphy includes… … Wikipedia
telegraphy — Synonyms and related words: TelAutography, Teletype, Teletype network, Teletyping, closed circuit telegraphy, code, duplex telegraphy, electricity, facsimile telegraph, interrupter, key, multiplex telegraphy, news ticker, quadruplex telegraphy,… … Moby Thesaurus
wire service — Synonyms and related words: TelAutography, Teletype, Teletype network, Teletyping, advice, broadcast journalism, closed circuit telegraphy, code, duplex telegraphy, electricity, facsimile telegraph, information, intelligence, interrupter,… … Moby Thesaurus
telegraphy — telegraph ► NOUN ▪ a system or device for transmitting messages from a distance along a wire, especially one creating signals by making and breaking an electrical connection. ► VERB 1) send a message to by telegraph. 2) send (a message) by… … English terms dictionary
wireless telegraphy — wire′less teleg′raphy n. tgp sts radiotelegraphy • Etymology: 1895–1900 wire′less tel′egraph, n … From formal English to slang
Wireless telegraphy — The term Wireless Telegraphy is a historic term used today as applied to early radio telegraph communications techniques and practices. Wireless telegraphy originated as a term to describe electrical signaling without the electric wires to… … Wikipedia
Wireless telegraphy — Wireless Wire less, a. 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,… … The Collaborative International Dictionary of English
wireless telegraphy — noun 1. telegraphy that uses transmission by radio rather than by wire • Syn: ↑radiotelegraph, ↑radiotelegraphy • Hypernyms: ↑wireless 2. the use of radio to send telegraphic messages (usually by Morse code) • Syn: ↑radiotelegr … Useful english dictionary
Acoustic telegraphy — was also known as harmonic telegraphy. During the 1800s inventors tried to find ways of sending multiple telegraph messages simultaneously over a single telegraph wire by using different audio frequencies for each message. These inventors… … Wikipedia
Duplex telegraphy — Duplex Du plex, a. [L., fr. duo two + plicare to fold. See {Two}, and {Complex}.] 1. Double; twofold. [1913 Webster] 2. (Computers) organized so that data may be transmitted in two opposite directions over the same channel; of communications… … The Collaborative International Dictionary of English
duplex telegraphy — duplex telegraphy, a system for sending two messages over the same wire at the same time, especially in opposite directions … Useful english dictionary
