On October 11, 1868, he invented the "voting counter" and obtained his first patent.
In October 1869, he co-founded the "Pop-Edison Company" with friends.
Invented the general-purpose printing press in 1870 and sold the patent rights for US$40,000. Set up its own manufacturing plant in New York.
From 1872 to 1876, he invented the electric telegraph, the automatic repeater telegraph method, the double and quadruple telegraph methods, and manufactured wax paper carbon resistors.
The acoustic wave analysis resonator was invented in 1875.
In 1876, a laboratory was established in Menlo Park, New Jersey - the first industrial research laboratory. It was the origin of the modern concept of a "study group." Invented the carbon rod microphone. Apply for a patent for the telegraph automatic recording machine.
In 1877, the early telephone invented by Bell was improved and put into practical use in Menlo Park. Obtained three patents: perforated pen, pneumatic stylus and ordinary stylus. On August 20th, what proved to be one of Edison's favorite projects - the phonograph - was invented.
In 1878, Edison claimed to solve the problem of electric lighting. The Royal Society holds a gramophone exhibition. Improved phonographs, designed microphones, amplifiers, aerial speakers, sound engines, tuning engines, microthermometers, taste testers, etc. Obtained patent for phonograph on February 19th. In July, he went to Wyoming with Professor Pike of the University of Pennsylvania to observe the total solar eclipse, and used the thermometer he invented to measure the overall temperature around the sun. Returned to Menlo Park in August and returned to scientific research and experiments. Britain approves Edison's patent application for "Video Recorder". William Wallace visited Connecticut in September. Started research into inventing the electric light. On October 5, a patent application for a platinum wire "electric lamp" was filed.
In 1879-1880, after thousands of setbacks, the high-resistance incandescent lamp was invented. Improved generator. Design new current distribution methods, circuit alignment and calculation methods. Invented the light bulb holder and switch. Invented the magnetic mineral separation method.
On August 30, 1879, Edison and Bell each demonstrated telephone devices at Saratoga Creek City Hall. Edison's phone turned out to be clearer than Bell's. On October 21, the high-resistance incandescent lamp was invented, which burned continuously for 40 hours. Application for carbon filament lamp patent on November 1st. On December 21, the New York Express reported on Edison's incandescent light bulb. A public light show was held in Menlo Park on December 25 for 3,000 visitors from New York City.
Helicopter research in 1880. Obtained patent rights for electric light invention. Made into a magnetic screener. On January 28, the patent document for "Electric Power Transmission and Distribution System" was submitted. On February 18, "Scribe's Monthly" published the article "Edison's Electric Light", officially announcing the invention of the electric light. In May, the first ship "Columbia" illuminated by electric lights successfully made its trial voyage.
New York Edison Electric Lighting Company was established in December.
1881 New York Fifth Avenue headquarters established. An incandescent lamp factory is established in New York City. Set up manufacturing plants for generators, underground wires, and electric light parts. Experimenting with trolleys in Menlo Park.
The three-wire current distribution system was invented in 1882. Applied for 141 patents. The first central factory was established on September 4. At the end of December, more than 150 small power stations were established across the United States.
A patent for wireless telegraphy was filed on May 23, 1885.
From 1887 to 1890, he improved the cylindrical phonograph and obtained more than 80 patent rights for phonographs. Engaged in manufacturing and selling phonographs, records, talking machines, etc.
The phonograph gramophone was invented in 1888.
Participated in the Centennial Exposition in Paris in 1889. Invented many types of electric railways. Complete the moving movie machine.
1890-1899 Designed large stone crushers and grinders. Personally directed the large-scale development of iron ore using new methods at the Ogden Mine.
In 1891, he invented the "Edison Concentrator" and began to operate his own mining business. Obtained the patent for "Kinet Cinema Projector".
The first successful movable motion picture telescope was demonstrated to the public on May 20 at the Edison Laboratory in West Orange, New Jersey.
In 1893, the world's first movie "studio" was built in the courtyard of Edison's laboratory.
On April 14, 1894, the first kinetoscope theater was opened in New York.
On April 23, 1896, the "Vita Projector" was used for the first time to show a film at Coster-Beyer's Music Hall in New York, and it was warmly welcomed by the public.
In 1902, a test using a new type of battery for vehicle power was successful. The range was 5,000 miles and it could travel 100 miles per charge.
In 1903, Edison's company produced its first feature film, "Train Robbery."
In 1909, after ten years of research, the battery was finally successful. Make a fax telegram. Obtained design patents for raw material machine, fine grinding machine and long kiln.
From 1910 to 1914, the disc-type phonograph was completed, with damage-free records and diamond records. Completed talkie machine.
The "disc record" was invented in 1910.
The "talkie" was invented in 1912. Developed into a speech phonograph.
In 1914-1915, the comprehensive manufacturing method of carbolic acid was invented, and a phonograph and a telegraph machine were combined into a remote writing machine. One party's telephone could automatically record the other party's speech. Manufacture benzene, indigo oil, etc. by ourselves.
39 inventions were completed from 1915 to 1918, the most famous of which are torpedo mechanical devices, flamethrowers and underwater periscopes.
Completed long-term recording in 1927.
Rubber was successfully extracted from weeds in 1928
On October 18, 1931, Edison died in West Orange at the age of 84. On October 21, 1931, the entire United States Lights are turned out in mourning.
Edison invented more than 1,000 machines in his lifetime.