Telegraphy is the long-distance transmission of messages where the sender uses symbolic codes, known to the recipient, rather than a physical exchange...

Wireless telegraphy or radiotelegraphy is transmission of text messages by radio waves, analogous to electrical telegraphy using cables. Before about...

transportation. Electrical telegraphy can be considered to be the first example of electrical engineering. Text telegraphy consisted of two or more geographically...

Morse, one of the early developers of the system adopted for electrical telegraphy. International Morse code encodes the 26 basic Latin letters A to Z, one...

"in recognition of their contributions to the development of wireless telegraphy". Marconi was also an entrepreneur, businessman, and founder of The Wireless...

code in a telegraphy system. Keys are used in all forms of electrical telegraph systems, including landline (also called wire) telegraphy and radio (also...

Mass media Mobile phone Smartphone Optical telecommunication Optical telegraphy Pager Photophone Prepaid mobile phone Radio Radiotelephone Satellite communications...

April 1872 William Henry Ward received U.S. patent 126,356 for a wireless telegraphy system where he theorized that convection currents in the atmosphere could...

Aerial telegraphy may refer to: Wigwag (flag signals), signalling by hand with a single flag Optical telegraphy, chains of fixed telegraph stations using...

to wireless telegraphy. The Wireless Telegraphy Acts are laws regulating radio communications in the United Kingdom. Wireless telegraphy as a concept...

submarine communications cables were laid beginning in the 1850s and carried telegraphy traffic, establishing the first instant telecommunications links between...

In amateur radio, high-speed telegraphy (HST) is a form of radiosport that challenges amateur radio operators to accurately receive and copy, and in some...

and arrive in a matter of minutes to hours, instead of days or weeks. Telegraphy facilitated faster and more profitable freight and passenger railway traffic...

inventions in what became radio. Radio development began as "wireless telegraphy". Later radio history increasingly involves matters of broadcasting. In...

By Wireless Telegraphy was a 1910 Australian play by William Anderson and Roy Redgrave. The play was based on the case of Hawley Harvey Crippen who was...

The Wireless Telegraphy Act 1926 is an act of the Oireachtas which regulates wireless telegraphy in the Republic of Ireland. It is the legislation that...

Guglielmo Marconi "for their contributions to the development of wireless telegraphy", was a founder of Telefunken, one of the pioneering communications and...

Acoustic telegraphy (also known as harmonic telegraphy) was a name for various methods of multiplexing (transmitting more than one) telegraph messages...

co-developer of Morse code in 1837 and helped to develop the commercial use of telegraphy. Samuel F. B. Morse was born in Charlestown, Massachusetts, the first...

are also called, "Chappe telegraphs" or "Napoleonic semaphore". Optical telegraphy dates from ancient times, in the form of hydraulic telegraphs, torches...

The timeline of North American telegraphy is a chronology of notable events in the history of the electric telegraphy in the United States and Canada,...

magnets to produce alternating current from a rotating armature. In early telegraphy, magnetos were used to power instruments, while in telephony they were...

The use of wireless telegraphy in the Italo-Turkish war was the first example of its large-scale military application, its origins dating from the end...

Mass media Mobile phone Smartphone Optical telecommunication Optical telegraphy Pager Photophone Prepaid mobile phone Radio Radiotelephone Satellite communications...

174,465". pdfpiw.uspto.gov.—Telegraphy (Bell's first telephone patent)—Alexander Graham Bell US 186,787—Electric Telegraphy (permanent magnet receiver)—Alexander...

for the statue by Evelyn Beatrice Longman originally called Genius of Telegraphy. The statue has been the symbol of AT&T (and also the former Western Electric)...

Women in telegraphy have been evident since the 1840s. The introduction of practical systems of telegraphy in the 1840s led to the creation of a new occupational...

lights, flags, sunlight, and moving arms. Semaphores can be used for telegraphy when arranged in visually connected networks, or for traffic signalling...

services, known as CCIF (as the French acronym) and with long-distance telegraphy CCIT (Comité Consultatif International des Communications Téléphoniques...

nonetheless distinct: One for telegraphy and the other for accessory devices built for computer-human communication: For radio-telegraphy, the term "keyer" specifically...