Although Morse invented the telegraph, he lacked relevant professional knowledge. He signed an agreement with Alfred Weil to help him make more practical equipment.
Alfred Weil conceived a scheme in which each character and punctuation can be sent independently of each other through dots, strokes and pauses in the middle. They agreed to include this scheme of marking different symbols in Morse's patent. This is now known as American Morse code, which was used to transmit the world's first telegram.
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Scientists in Europe gradually discovered the characteristics of electricity in the18th century. At the same time, some people began to study the possibility of using electricity to transmit information. As early as 1753, an Englishman proposed using static electricity to shoot and send telegrams.
His idea is to use 26 lines to represent 26 English letters. The party who sent the telegram charged the wires with static electricity in the sequence of messages. The receiver connects a small piece of paper to each wire. When the notes rise due to static electricity, words can be transcribed.
At the same time, France took the lead in using lights and semaphores to spread information on a series of towers, which is called optical telegraph, which is also the English origin of the word telegraph. It can transmit signals to distant places in a short time, but its limitation is that it needs more people to transmit messages in the terrain and beyond the line of sight, and it is also affected by the weather.
The first telegraph line actually put into use first appeared in Britain in 1839.
This is the Great Western Railway installed between two stations for communication. This line is 65,438+03 miles long and belongs to the pointer design, which was invented by Charles Wheastone and William Cook. They also obtained a British invention patent at 1837.
In the United States, Samuel Morse invented the telegraph at about the same time and obtained a patent in the United States at 1837. Morse also developed a method of encoding letters and numbers for transmission, which is called Morse code.
Baidu Encyclopedia-Samuel Morse