What did Guillermo Gonzalez Camarena do after or before he invent the color tv?

Answer 1

Contrary to some claims, he didn't invent color television. That achievement is credited to John Logie Baird when he demonstrated color television in 1928, three years after his public demonstration of black and white television.

Camarena patented both in Mexico and the US the first Trichromatic Sequence Field Frequency in 1939. This trichromatic system served as a partial basis for color televisions and is now used by NASA. At the time of his invention, Mr. Guillermo Gonzalez-Camarena was 22 years old.

Answer 2

Guillermo Gonzalez Camarena (1917-1965), is a Mexican national from Guadalajara Jalisco. His project was rejected by the Mexican authorities and had to go to the United States.

In 1934 he made his first TV when he was 17 years old, later he patented his color TV in Mexico and the US. He holds patents to various color television systems from 1940, 1942, 1960 and 1962. In 1940 at the age of 22, Guillermo Gonzalez Camarena obtained US Patent #2,296,022 for his Trichromatic system used for color television transmissions.

In August 31, 1946 he sent his first color transmition from his lab in the offices of The Mexican League of Radio Experiments in Lucerna St. #1, in Mexico City. The video signal was transmited in 115 MHz. and the audio in a band of 40 meters. RCA claims they did it in 1946 but Camarena's patent has an earlier month. Also, there are previous attempts or designs.

Guillermo Camarena's work was impressive but some wrongly attribute the first color television to Camarena. However, Scotsman John Logie Baird sent images by a mechanical colour television in 1928, before his electro-mechanical black-and-red system was adopted by the BBC in 1929. This is the first demonstration of color television and precedes Camarena's patents by twelve years.

In 1943, he suggested to the Hankey Postwar TV Commitee that postwar TV should be 1000 lines 3d, color and Black-and-White compatible. The commitee did not think this was possible, but Baird made it work before his death in 1946, a week after he demonstrated the above system, which was the first fully electronic color television in the world. He sent famous actors and moving Cartoons through the air in colour and his images would have been simlar to the HDTV of today. If you search for "John Logie Baird Telechrome" you will be able to see the images reproduced. His system was almost flat screen.

Answer 3

1. John Logie Baird didn't invent color television, either. A.A. Polumordvinov, a Russian, patented the first field-sequential color television method in 1899. Baird's system was similar to one by the Germans Frankenstein and Jaworski. Their system dates to 1904. Baird probably learned about this system from a 1911 German book by Korn and Glatzel. According to his wife Margaret, Baird studied this book assiduously. (See Albert Abramson, The History of Television, 1880-1941; also see Television Baird, by Margaret Baird.)

2. Quoting the 'User Avatar' answer: "This trichromatic system served as a partial basis for color televisions..."

What is a "partial basis"? Our system of color television transmits simultaneous color, not field-sequential color, which is what Camarena engineered. The U.S. abandoned sequential color television broadcasting in 1951.

3. Camarena's system was experimental, and impractical. The 1941 U.S. Camarena patent (#US2296019) calls for a complete color frame every 1/10 second. The color flicker would have been annoying. The subsequent CBS color system reduced the flicker, but wasn't compatible with black-and-white television sets. Both systems fell by the wayside. In 1953, the FCC adopted NTSC color, a simultaneous system. NTSC color completes a color frame every 1/30 second. (Computer displays can be much faster than that.) NTSC color served the U.S. and other countries until digital televison took over in 2009.

4. Quoting the 'User Avatar' answer: "and [Camarena color] is now used by NASA." What is the source of this allegation? You assert that Camarena didn't invent color television. (See your first paragraph.) Then why insist that NASA uses Camarena's system? We honestly can't trace the NASA system back to Camarena. The claim that NASA uses Camarena's system was someone's informal opinion. Perhaps this person was a NASA employee, but the statement about television offers no factual basis. Maybe this person means that NASA occasionally used field-sequential color, which is true. But NASA never broadcast its field-sequential television. Instead, before broadcasting, NASA had to convert the picture to simultaneous color. Otherwise, home TV sets wouldn't have been able to reproduce the pictures.

Answer 4

He made his invention in 1940. He filled a patent application (U.S. patent 2,296,019) in August 14, 1941 and obtained the patent in September 15, 1942.

Answer 5

RCA stold guillermos invention