Over many years, the modern version of the. Five years on from the Galaxy Mega and Xperia Z Ultra and smartphone screens were only getting bigger. About 100 years ago, Alexander Graham Bell invented the telephone by accident with his assistant Mr. By the turn of the twentieth century, the telephone enabled such communication for ordinary citizens, first locally, then across the continent and the world. Xiaomi Mi Max 3 (2018) Screen size: 6.9-inches. It allowed people to share information with greater speed and efficiency and to connect with one another through conversation in real time. The telephone revolutionized communication. In June 1876, Bell traveled to the Philadelphia Centennial Exposition (the first World’s Fair in the United States) to demonstrate this device to an international audience. But after an accidental discovery, in which Watson electrified a vibrating reed on the telegraph, Bell and Watson created a device using vibration to produce and receive sound waves through electrical signals. Click on the buttons at the top of the page to begin to explore this growing resource, whose initial development was funded, in part, by a grant from the History and. Working with his assistant, Thomas Watson, Bell initially had a different goal in mind: to develop a “harmonic telegraph” that could send a number of messages at the same time, each at its own pitch. The Invention of the Telephone This site is an attempt to reconstruct, in fine-grained detail, the path taken by Alexander Graham Bell, with links to other inventors and ideas. On March 7, 1876, Bell became the first inventor to receive a US patent for the technology that powered the telephone. But it was a teacher interested in sound and speech instruction for the deaf, Alexander Graham Bell, who would combine the power of electromagnetism with a machinery of vibration and thereby establish the basis of modern telephone technology. If youre advised to go to hospital, its important to go. For life-threatening emergencies call 999 for an ambulance. For urgent medical help use the NHS 111 online service, or call 111 if youre unable to get help online. In the next decades, Johann Philipp Reis and Antonio Meucci developed electromagnetic devices that could transmit music and some voice communication. RM GD07MAPhoto of Alexander Graham Bell, inventor of the telephone, talking into an early-style telephone at the opening of the New York-Chicago line. For help from a GP use your GP surgerys website, use an online service or app, or call the surgery. In 1840, Charles Grafton Page used electrified wire connected to a magnet to produce sound. Samuel Morse’s telegraph, patented in 1837, used electric signals to transfer coded messages. Numerous innovations and inventors laid the groundwork for the telephone.

Who made the telephone