What did Edison invent?

Reference

Thomas Alva Edison (February 11, 1847—October 18, 1931), a world-famous American electrician, scientist and inventor, was known as the "king of invention in the world". In addition to his inventions and contributions in phonograph, electric light, telegraph, film and telephone, he also has many famous creations and insights in the fields of mining, construction and chemical industry. Edison and his employees made more than 1, inventions in their life, which made great contributions to human civilization and progress. On May 28th, 192, Edison announced that he had invented a new type of storage battery. On October 18, 1931, Edison died in West Orange at the age of 84. On October 21, 1931, lights were turned off all over the United States to show his condolences.

Thomas Alva Edison (English name: Thomas Alva Edison, 1847-1931), [1] a world-famous inventor, physicist and entrepreneur, has many famous and important invention patents over 2,, and was awarded the title of "Menlo Park's Wizard" by the media! He is the first person in the history of mankind to use a large number of production principles and electrical engineering research laboratories to engage in invention patents and have a great and far-reaching impact on the world.

Edison's chronology of inventions: On October 11th, 1868, he invented the "voting counter" and obtained the first patent in his life. In October 1869, he co-founded "Pop-Edison Company" with friends. In 187, he invented the general printing press and granted the patent right, which won 4, dollars. Set up its own manufacturing plant in new york. In 1872-1876, he invented the electric animation electromechanical telegraph, the automatic recoding telegraph method, the double and quadruple telegraph methods, and made waxed paper carbon resistors. In 1875, the acoustic analysis resonator was invented. In 1876, a laboratory-the first industrial research laboratory-was established in Monroe Park, New Jersey. It is the founding of the modern concept of "research group". Invent the carbon stick microphone. Apply for a patent for automatic telegraph recorder. In 1877, the telephone invented by Bell was improved in Monroe Park and put into practical use. Obtained three patents: piercing pen, pneumatic stylus and ordinary stylus. On August 2th, he invented the phonograph, which proved to be Edison's favorite project. In 1878, Edison declared that he would solve the problem of electric lighting. The Royal Society held a phonograph exhibition. Improve the phonograph, design microphones, loudspeakers, aerial speakers, sound engines, tuning engines, microcalorimeters, taste testers, etc. On February 19th, he was granted a patent for the phonograph. In July, I went to Wyoming with Professor Parker from the University of Pennsylvania to observe the total solar eclipse, and measured the temperature around the sun with his invented thermometer. In August, I returned to Monroe Park and re-engaged in scientific research experiments. Britain approved Edison's patent application for "recorder". Visit william wallace, Connecticut in September. Start research on the invention of electric light. On October 5th, a patent application for platinum wire "electric lamp" was filed. In 1879-188, the incandescent lamp with high resistance was invented after thousands of setbacks. Improved generator. Design new current distribution method, circuit alignment and calculation method. Invent the electric lamp holder and switch. Invented magnetic ore separation method. On August 3th, 1879, Edison and Bell demonstrated their telephone devices in the town hall of Saratoga Creek. As a result, Edison's telephone was clear in Bibel. On October 21st, a high-resistance incandescent lamp was invented, which was continuously lit for 4 hours. Apply for a patent for carbon filament lamp on November 1st. On December 21st, new york Express reported Edison's incandescent electric lamp. On December 25th, a public electric light show was held in Menlo Park for 3, visitors from new york. In 188, he studied helicopters. Obtain a patent for the invention of electric light. And a magnetic ore sieve is made. On January 28th, the patent of "Power Transmission and Distribution System" was put forward. On February 18th, Scripps Monthly published the article Edison's Electric Light, which officially published the invention of electric light. In May, the first "Columbia" ship illuminated by electric lights was successfully tried. New york Edison Electric Lighting Company was established in December. 1881 The headquarters of new york Fifth Avenue was established. Set up an incandescent lamp factory in new york. Set up manufacturers of generators, underground wires and electric lamp parts. Test the tram in Monroe Park. In 1882, the current three-wire distribution system was invented. Apply for 141 patents. The first central factory was established on September 4th. At the end of December, more than 15 small power stations were established in all parts of the United States. On may 23, 1885, a patent for wireless telegraph was filed. From 1887 to 189, the cylinder phonograph was improved, and more than 8 patents on phonograph were obtained. Engaged in the manufacture and sale of phonographs, records and voice-giving machines. The gramophone was invented in 1888. In 1889, he participated in the Paris Centennial Exposition. Invented many kinds of electric railways. Complete the motion picture machine. From 189 to 1899, large-scale stone crusher and grinder were designed. I personally directed the large-scale development of iron ore by new methods in Ogden mine. In 1891, he invented "Edison concentrator" and started his own mining business. Obtained the patent of "Movable Film Projector". On May 2th, the first successful moving film mirror was shown to the public at Edison Laboratory in West Orange, New Jersey. In 1893, the world's first film "studio" was established in the courtyard of Edison's laboratory. On April 14th, 1894, the first movable film projector cinema was opened in new york. On April 23rd, 1896, the film was first shown in the Concert Hall in Koster-Byell, new york, and was warmly welcomed by the public. In 192, a new type of battery was used for the test of vehicle power. The journey was 5 miles, and it could walk 1 miles every time it was charged, which was successful. In 193, Edison's company produced the first feature film Train Robbery. In 199, it took ten years, and the research of storage battery was finally successful. Make a fax telegram. Obtained the design patents of raw material machine, fine grinding machine and long kiln. In 191-1914, the disc phonograph was completed without damaging records and diamond records. Complete the sound film machine. The "disc record" was invented in 191. In 1912, the "talking film" was invented. Developed into a phonograph. In 1914-1915, the comprehensive manufacturing method of carbonic acid was invented, and the phonograph and the dictaphone were combined as remote writing machines, so that one party's telephone could automatically record the other party's speech. Self-made benzene, indigo oil, etc. From 1915 to 1918, as many as 39 inventions were completed, among which the most famous were torpedo mechanical devices, flamethrowers and underwater periscope. Completed a long record in 1927. In 1928, rubber was successfully extracted from weeds.