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Alexander Graham Bell Receives First Patent
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On This Day... 1876, Alexander Graham Bell received a patent for the telephone. Born in Scotland, Bell settled in Boston when he was in his early 20s. He made his living as a teacher of the deaf; on the side he tinkered with transmitters and electromagnets. In the summer of 1876, Bell gave the first public demonstration of the "electrical speech machine" he had invented. A few months later he achieved his ultimate goal: transmitting and receiving spoken words over a telephone line. When Bell died on August 2, 1922, the nation's telephones went silent for one minute in a fitting tribute to a man who had done so much to further oral communication.

Alexander Graham Bell was born in Edinburgh, Scotland, in 1847. The men in the family were blessed with deep and sonorous voices and a talent for communication. His paternal grandfather had been a well-known actor and orator who also wrote books of advice for people with stammers and other speech impediments. Alexander Bell's mother was deaf, and his father was passionately committed to helping the deaf learn to speak. Melville Bell developed "Visible Speech," a system for notating spoken sounds, and traveled the world demonstrating how it could open the world of the spoken word to the deaf.

Alexander Graham Bell followed in his father and grandfather's footsteps. Believing that his mother might understand his words through the vibration of his voice, he would lean very close to her and speak in low, sonorous tones. He also mastered Visible Speech and sometimes accompanied his father and older brothers on the lecture circuit. The Bells turned their demonstrations into popular entertainment. One brother would leave the theatre while the others took down audience comments in Visible Speech. The absent brother would return and re-create the conversation, using only the notations on the board. Audiences were astonished, and for a while the Bell family supported itself through these stage performances.

The young Alexander did a lot of tinkering and a lot of thinking. He had a knack for inventing gadgets and machines. He was fascinated with one problem in particular: he wanted to create a machine for transmitting speech. He and his brothers built a working model of a mouth, throat, nose, and movable tongue, and attached a set of bellows for lungs. They were so successful in getting the model to wail "MaMa" that the neighbors began to search for a child in distress.

At university Bell read the work of a German physicist who theorized that electrical tuning forks and resonators could be used to produce vowel sounds. Bell's German was poor, and he mistranslated one key word. He mistakenly thought he had read that vowel sounds could be transmitted over a wire. He began to pursue the idea.

He was teaching the Visible Speech method at the Boston School for Deaf Mutes when he fell in love with one of his students, Mabel Hubbard. His marriage confirmed his calling as a teacher of the deaf.

The grateful father of another student offered to provide financial backing for all of Bell's experiments and to secure patents for his inventions. Although Bell continued to teach, he now had the opportunity to develop his idea of using electricity to transmit speech.

He used a friend's machine shop in Boston as his laboratory. There he met Thomas Watson, and the two men began experimenting with transmitters and electromagnets. Soon Bell had discovered a way to use the sound waves transmitted by a voice to make a wire vibrate.

On March 7, 1876, he received a patent on a device that could transmit human speech over a wire. According to his journal, three days later he put the "Receiving Instrument" in one room and the "Transmitting Instrument" in another with the doors of both rooms closed. Bell shouted, "Mr. Watson, Come here, I want to see you." To his delight, Watson "came and declared that he had heard and understood what [Bell] said." This event would later be considered the first telephone call ever made.

Bell's invention of the key mechanics of the telephone has been called into question from the beginning, and recently, quite convincingly, by science writer Seth Shulman. He may or may not have copied the patent application of Elisha Gray. It is clear, though, that Bell envisioned a world in which people could communicate each across distances with ease.

Thus, extraordinary as his invention was, Bell's ultimate goal was an electrical device that would receive as well as transmit spoken sounds. Success came on October 6, 1876, when he held a two-way telephone conversation with Thomas Watson. Bell continued to improve the quality and distance of transmissions and made rapid progress. Within six months of the first two-way call, Bell would conduct a telephone conversation between Boston and New York City.

Bell's patents and the success of the Bell Telephone Company, which he established in 1877, made the young inventor a very rich man. But Bell had little interest in the business end of telecommunications. Instead, he continued to experiment and invent. He created an electric probe to locate metal objects such as bullets in the body and a vacuum jacket that provided a type of artificial respiration, and he remained devoted to improving the welfare of the deaf.


"Alexander Graham Bell" in Dictionary of American Biography

Alexander Graham Bell: The Life and Times of the Man Who Invented the Telephone, by Edwin S. Grosvenor( Harry Abrams, 1997).

Alexander Graham Bell: A Life, by James A. Mackkay (J. Wiley, 1997).

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Bell the Geographer jhayesboh 1481 0 03/07/2012 01:54
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