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First patent on foil electret microphone by G. M. Sessler and J. E. West (pages 1 to 3) West was born on February 10, 1931, in Farmville, Prince Edward County, Virginia as the elder of two children to Samuel Edward and Matilda West. He was born in his maternal grandfather's house because the local hospital would not admit Black people.
Edison in 1861. Thomas Edison was born in 1847 in Milan, Ohio, but grew up in Port Huron, Michigan, after the family moved there in 1854. [8] He was the seventh and last child of Samuel Ogden Edison Jr. (1804–1896, born in Marshalltown, Nova Scotia) and Nancy Matthews Elliott (1810–1871, born in Chenango County, New York).
Gold had also contributed to the Apollo program by designing the Apollo Lunar Surface Closeup Camera (ALSCC) (a kind of stereo camera) used on the Apollo 11, 12, and 14 missions. [ 26 ] [ 41 ] In the 1970s and 1980s, Gold was a vocal critic of NASA's Space Shuttle program, deriding claims that the agency could fly 50 missions a year or that it ...
David Edward Hughes (16 May 1830 – 22 January 1900), was a British-American inventor, practical experimenter, and professor of music known for his work on the printing telegraph and the microphone. [3]
Marconi technician Peter Wright, a British scientist and later MI5 counterintelligence officer, ran the investigation. [9] He was able to get The Thing working reliably with an illuminating frequency of 800 MHz. The generator which had discovered the device was tuned to 1800 MHz.
The first permanent photograph of a camera image was made in 1826 by Nicéphore Niépce using a sliding wooden box camera made by Charles and Vincent Chevalier in Paris. [11]: 9–11 Niépce had been experimenting with ways to fix the images of a camera obscura since 1816. The photograph Niépce succeeded in creating shows the view from his window.
George Carruthers (right) and William Conway (left) examine the gold-plated Lunar Surface Ultraviolet Camera prior to the Apollo 16 mission. In 1966 Carruthers built, and in 1969 received a patent (US3478216) for, an image converter that turned images made from light of very short wavelengths into electron images.
The first film made for the Kinetoscope, and apparently the first motion picture ever produced on photographic film in the United States, may have been shot at this time (there is an unresolved debate over whether it was made in June 1889 or November 1890); known as Monkeyshines, No. 1, it shows an employee of the lab in an apparently tongue-in ...