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Charles Jenkins Laboratories
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'''Charles Jenkins Laboratories''' was founded in by [[Charles Francis Jenkins]], developer of the [[Phantoscope]],<ref name=Projecting>{{cite news |url=https://www.newspapers.com/clip/91470328/projecting-the-future-part-1/ |title=Projecting the future |first=Steve |last=Martin |newspaper=[[Palladium-Item]] |pages=A3, [https://www.newspapers.com/clip/91470382/projecting-the-future-part-2/ A4] |date=2010-06-07 |access-date=2021-12-30 |via=Newspapers.com}}</ref> the first commercial tv station [[W3XK]] and the first commercial [[television]] company. == History == [[Charles Francis Jenkins]] in 1890 moved to Washington, D.C., to work as an [[Stenography|Steganographer]], then he experimented with motion pictures and in 1890 developed a movie projector called the [[Phantoscope]], the laboratory was created years after it. == Transmission of Pictures over Wireless == {{main|Television transmitter}} In March 13, 1922 Charles Jenkins filed the U.S. patent No. 1,544,156 for Transmition of Pictures over Wireless, it was granted on June 30, 1925. == W3XK, the first commercial TV station in the US == {{main|W3XK}} In 1928 Charles Jenkins was granted the first commercial [[television]] license in the [[United States]] and In July 2, 1928 Jenkins Television Corporation started to operate [[W3XK]], the first TV station.<ref>{{cite web | url=https://ohiohistorycentral.org/w/Charles_F._Jenkins | title=Charles F. Jenkins - Ohio History Central }}</ref> first aired from Jenkins Labs in Washington and from 1929 on from [[Wheaton, Maryland]], five nights a week. At first, the station could only send silhouette images due to its narrow [[Bandwidth (signal processing)|bandwidth]], but that was soon rectified and real black-and-white images were transmitted. == Jenkins Television Corporation == In December 1928, Charles Jenkins founded in New Jersey the Jenkins Television Corporation to produce and manufacture Radiovisors. In March 1932, Jenkins Television Corporation was liquidated and its assets acquired by [[Lee de Forest]] Radio Corporation. Within months, the De Forest company went bankrupt and the assets were bought by [[RCA]] stopping all work on electromechanical television. == W2XCR == {{main|W2XCR}} The Laboratories also operated experimental station [[W2XCR]], it operated a [[Jenkins mechanical scanner]] through the experimental transmitter, W2XCR. The station broadcast using both 48-line, 15 frame/s, and 60-line, 20 frame/s standards during 1931. == Closure == Charles Jenkins Laboratories closed after Mr. Jenkins died in 1934. == See also == * [[W3XK]] * [[W2XCR]] * [[Charles Francis Jenkins]] ==References== <references/> [[Category:Defunct companies based in Maryland]] [[Category:History of television in the United States]] [[Category:Defunct television broadcasting companies of the United States]] {{US-media-company-stub}}
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