Scientists must invent more than 20 inventions.

Edison's chronology of inventions and creations

On June+10/October1day, 65438, he invented the "voting counter" and obtained the first patent in his life. 1870 10 invented the universal printing press and granted the patent right, and obtained 40,000 dollars.

187 1 Mother passed away. This typewriter has been improved successfully. Marry Mary.

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

On February 28th, 1874 65438+ showed Gould the performance of the four-channel telegraph.

1875 invented the acoustic analysis resonator.

1876 established the first industrial research laboratory in Menlo Park, New Jersey. Is the founder of the modern concept of "research group".

Invent the carbon rod launcher. Apply for a patent for automatic telegraph.

1877 improved the telephone invented by Bell in Menlo Park and put it into practical use. Obtained three patents: puncture pen, pneumatic stylus and ordinary stylus. On August 20th, it invented the phonograph.

1878 Edison claimed to have solved the problem of electric lighting. The Royal Society held a phonograph exhibition, improved the phonograph, and designed a microphone, a loudspeaker, an aerial speaker, a sound engine, a tuning engine, a microcalorimeter and a taste tester.

In July, Professor Parker from the University of Pennsylvania and I went to Wyoming to observe the total solar eclipse and measured the temperature around the sun with the thermometer he invented.

On October 5th, 65438/kloc-0, a patent application for platinum wire "electric lamp" was filed. 1October 5 165438, the carbon impedance transmitter was sent to the UK for testing.

1879- 1880 invented the high-resistance incandescent lamp after many twists and turns, improved the generator, designed a new current distribution method, circuit arrangement and calculation method, invented the lamp holder and switch, invented the magnetic ore separation method, and1October 2/kloc-0 invented the high-resistance incandescent lamp, which continued to light for 40 hours. 46636.868686666666

188 1 The headquarters of Fifth Avenue in New York was established. An incandescent lamp factory was established in new york. A factory has been established to produce generators, underground wires and electric lamp parts. Monroe Park Test Tram.

In June, he provided a 27-ton power generation equipment for the Paris World Expo, which can be illuminated by 1 200 electric lamps. Edison was promoted to one of the officers of the Legion of Honor.

1882 invented three-wire current distribution system, applied for patent 14 1, and established the first central power plant on September 4th.

1884- 1885 Edison left Monroe Park. He invented the method of wired communication by using electric induction.

1885 applied for a wireless telegraph patent on May 23rd.

1887- 1890 improved the cylindrical phonograph and obtained more than 80 phonograph patents. He is engaged in the manufacture and sale of phonographs, records and tape recorders. , and invented the cylinder phonograph that can sing.55438+0888.108888888886

1889 participated in the Paris centennial exposition, invented a variety of electrified railways and completed the film machine.

1890- 1899 designed large crushers and mills, and personally directed Ogden Mine to develop iron ore on a large scale by new methods.

189 1 invented the Edison concentrator and started his own mining business, and obtained the patent right of the movable film projector.

On May 20th, the first successful movie mirror was shown to the public at Edison Laboratory in West Orange, New Jersey.

1893 the world's first film "studio" was built in the courtyard of Edison's laboratory. 14 On April 4th, the first movable film screening hall opened in new york. 46660 . 68686868686

1899- 1909 Edison completed the battery in ten years. At that time, the construction industry was developed, and a long cement melting furnace was designed, which could produce cement in large quantities. In addition, the cylinder of the phonograph was improved, and the test of the new voice receiver was completed. 1902 uses a new battery as vehicle power, with a journey of 5,000 miles and a charge of 65,438+each time.

1909 has been used for ten years, and the research on battery has finally succeeded. Made a fax telegram, and obtained the design patents of raw material machine, fine grinding machine and long kiln.

1910-1914 Complete the disc phonograph without damaging the records and diamond records. Complete the sound film machine. +09 10 invented "optical disc recording". Edison Cement Company ranks fifth in the country. 38860 . 6886888686 1

1914-1915 invented the comprehensive manufacturing method of carbonic acid. By combining the phonograph with the teleprompter, one phone can automatically record the speech of the other. A new teaching method is put forward. The West Orange Laboratory was burnt down and rebuilt a month later. A chemical plant was established to produce benzene and indigo oil by itself.

1915-1918 has completed 39 inventions, the most famous of which are torpedo mechanism, flamethrower and underwater periscope.

1928 successfully extracted rubber from weeds.

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