Thomas Alva Edison (1847, February11-1,10, 10/8) was born in Milan, Ohio, USA.

Edison was the first person in human history to use a large number of production principles and electrical engineering research laboratories to patent inventions, which had a great and far-reaching impact on the world. His invention of the phonograph, movie camera and electric light had a great influence on the world. He had more than 2,000 inventions and 1000 patents in his life. Edison was named the ninth among 100 people who influenced the United States by the authoritative American periodical Atlantic Monthly.

193 1 year1year1October 18, Thomas Alva Edison died in west orange, new jersey, USA.

What did Edison invent?

Edison had 1328 inventions in his life. The most important things are electric lights, trams, movies, generators, motors, telephones and phonographs.

18681June 1 1 invented the "voting counter" and obtained the first patent in his life.

1869 10 co-founded "Pop One- Edison Company" with friends.

1870, he invented the universal printing press, granted the patent right and obtained $40,000. Set up their own manufacturing plant in new york.

1872-1876 invented the electric animation telegraph, the automatic recording telegraph and the double four telegraph, and manufactured the waxed paper carbon resistor.

1875 invented the acoustic analysis resonator.

1876, a laboratory-the first industrial research laboratory-was established in Menlo Park, New Jersey. This is the creation of the modern concept of "research group". Invent carbon rod microphone. Apply for a patent for automatic telegraph.

1877, the telephone invented by Bell was improved and put into practical use in Monroe Park. Obtained three patents: puncture pen, pneumatic stylus and ordinary stylus. On August 20th, he invented the phonograph, which proved to be Edison's favorite project.