I made no attempt to improve the design, but merely reproduced the pictures as they appeared to my vision, and the operation was always as I expected. Tesla patented his AC motors and power systems, which were said to be the most valuable inventions since the telephone.
Fearing ruin, Westinghouse begged Tesla for relief from the royalties Westinghouse agreed to. Tesla, grateful to the man who had never tried to swindle him, tore up the royalty contract, walking away from millions in royalties that he was already owed and billions that would have accrued in the future. He would have been one of the wealthiest men in the world—a titan of the Gilded Age. His work with electricity reflected just one facet of his fertile mind.
Before the turn of the 20th century, Tesla had invented a powerful coil that was capable of generating high voltages and frequencies, leading to new forms of light, such as neon and fluorescent, as well as X-rays. He quickly filed for American patents in , beating the Italian inventor Guglielmo Marconi to the punch. Tesla continued to work on his ideas for wireless transmissions when he proposed to J.
Morgan his idea of a wireless globe. An inexpensive instrument, not bigger than a watch, will enable its bearer to hear anywhere, on sea or land, music or song, the speech of a political leader, the address of an eminent man of science, or the sermon of an eloquent clergyman, delivered in some other place, however distant.
In the same manner any picture, character, drawing or print can be transferred from one to another place. Millions of such instruments can be operated from but one plant of this kind.
White quickly got to work designing Wardenclyffe Tower in , but soon after construction began it became apparent that Tesla was going to run out of money before it was finished. An appeal to Morgan for more money proved fruitless, and in the meantime investors were rushing to throw their money behind Marconi.
In December , Marconi successfully sent a signal from England to Newfoundland. Tesla grumbled that the Italian was using 17 of his patents, but litigation eventually favored Marconi and the commercial damage was done.
The U. Thus the Italian inventor was credited as the inventor of radio and became rich. By , Tesla began to withdraw from that doubting world. He was clearly showing signs of obsessive-compulsive disorder, and was potentially a high-functioning autistic. A disorder normally caused by a build of cholesterol and fats in the blood vessel walls, primary causes for it are high LDL cholesterol diet, smoking, a sedentary lifestyle, and hypertension.
But this is not the entire story. Tesla also experienced a serious accident a few years before his death that may have contributed to his ultimate demise. In the autumn of , Tesla left his hotel for his regular commute to the local cathedral and library.
While crossing the street, he was hit by a taxicab and thrown to the ground. This accident severely damaged his back and broke several ribs.
He never consulted a doctor and apparently learned to cope with his injuries on his own. Tesla was one of the most prolific and innovative engineers and inventors of the nineteenth and twentieth centuries.
As previously mentioned, his illustrious inventive endeavors began in the earlys while he was working at the Central Telegraph Office in Budapest.
However, there is little, if any, information about attempts to file any patents for his work at this time. Tesla's first-ever confirmed patent, for the electric arc lamp, was filed after his arrival in the United States, in March of The vast majority of his patents were filed after he left Edison's employ and founded his own company, Tesla Electric Light and Manufacturing. Up until , Tesla appears to have protected many of his inventions with patents all across the world.
During this period, his first patent was the US patent no. According to U. It is known that Tesla filed a number of patents in other countries, but some of these records are harder to definitively quantify with certainty today. It is believed that Nikola Tesla held somewhere in the order of patents for his tech, across 26 countries worldwide.
Of the non-US patents, the largest number appears to have been filed in Great Britain, with 30 patents granted. Tesla also held about 10 patents in France, 27 in Belgium, 21 in Germany, 19 in Italy, and 15 in Austria. He also appears to have filed a handful of patents in a number of other countries, including Spain, Belgium, Brazil, and Italy. The Tesla Foundation has estimated that Tesla held a total of over patents across five continents. However, it must be born in mind that many of these patents were for the same inventions rather than unique developments.
Interestingly, according to an analysis of his patents, his most protected invention was his pump and turbine US patents 1,, and 1,, For these, he was granted 23 patents in 22 countries. Of all his patents, 54 were granted in the United States. Tesla also either did not file patent protection for a number of other inventions he came up with throughout his career. A prime example being his application of high-frequency current for medical purposes. So, without further ado, here are ten of Nikola Tesla's most famous inventions.
This list is far from exhaustive and is in no particular order. Chances are that you have already seen this invention. It is a transformer used to produce high-voltage, low-current, high-frequency alternating-current electricity.
To observers, it appears as if lightning is being shot into the air. A Tesla coil consists of a primary coil and secondary coil, each with its own capacitor to store electrical energy. The two coils and capacitors are connected by a spark gap. The two inventors became embroiled in a patent war. Unfortunately, Tesla and Marconi had already passed away by the time the court handed down their decision. Italian electrical engineer and nobel laureate Guglielmo Marconi with the one of his wireless radio apparatuses.
For this and his other work, Zoric said, "Tesla is often referred as 'The man who invented 20th century. Remote control. You can also thank Tesla for the ability to change the channel without having to get off the couch. Tesla invented one of the world's earliest remote controls, which he called a "teleautomaton. According to the Tesla Museum in Belgrade, Tesla knew how important the invention could be, so he patented it in 11 countries as well.
X-ray technology. Tesla was also a pioneer of X-ray technology. He experimented with radiation and managed to take some of the first X-ray images of the human body, which he called "shadowgraphs. But this is another area of research where he rarely gets credit. According to one academic article published in RadioGraphics , "Every radiologist is aware of Nikola Tesla's research in the field of electromagnetism Nikola Tesla demonstrates an experiment in his New York City lab in Tesla contributed to medicine in other ways as well.
The unit of energy named after Tesla is used to measure the strength of the magnets in MRI systems. Hydroelectric power. Tesla was also a pioneer of renewable energy.
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