Misplaced Pages

This is a list of American television-related events in 1933.

Events

• February 15 - Final episode for the horror anthology television series The Television Ghost. The series primarily focused on ghost stories.
• April - In April 1933, the American inventor Philo Farnsworth submitted a patent application entitled Image Dissector, but which actually detailed a CRT-type camera tube. This is among the first patents to propose the use of a "low-velocity" scanning beam and RCA had to buy it in order to sell image orthicon tubes to the general public. However, Farnsworth never transmitted a clear and well focused image with such a tube.
• June- A research group at the Westinghouse Electronic Company headed by the American inventor Vladimir K. Zworykin presented the iconoscope to the general public in a press conference in June 1933, and two detailed technical papers were published in September and October of the same year. Unlike Philo Farnsworth's image dissector, the Zworykin iconoscope was much more sensitive, useful with an illumination on the target between 4ft-c (43lx) and 20ft-c (215lx). It was also easier to manufacture and produced a very clear image. The iconoscope was the primary camera tube used in American television broadcasting from 1936 until 1946, when it was replaced by the image orthicon tube.
• October - In his continued attempts to improve his image dissector, the inventor Philo Farnsworth introduced a multipactor in October 1933. Farnsworth's image dissector was the first practical version of a fully electronic imaging device for television. It had very poor light sensitivity, and was therefore primarily useful only where illumination was exceptionally high (typically over 685 cd/m).

Births

Deaths

References

1. Terrace, Vincent (10 January 2014). "Experimental Programs". Encyclopedia of Television Shows, 1925 through 2010. Vol. 3 (2nd ed.). ISBN 978-0-7864-8641-0.
2. US 2087683, Farnsworth, Philo T., "Image Dissector", published 1937-07-20 
3. Schatzkin, Paul. "The Farnsworth Chronicles, Who Invented What -- and When??". farnovision.com. Retrieved 2010-01-10.
4. Abramson, A. (1995). Zworykin, Pioneer of Television. Urbana: University of Illinois Press. p. 282. ISBN 978-0-252-02104-6. OCLC 29954436. OL 1083768M.
5. Rose, A.; Iams, H. A. (September 1939). "Television Pickup Tubes Using Low-Velocity Electron-Beam Scanning". Proceedings of the IRE. 27 (9): 547–555. doi:10.1109/JRPROC.1939.228710. ISSN 0096-8390. S2CID 51670303.
6. Laurence, William L. (June 27, 1933). "Human-like eye made by engineers to televise images". New York Times.
7. Zworykin, V. K. (September 1933). "The Iconoscope, America's latest television favourite". Wireless World (33): 197.
8. Zworykin, V. K. (October 1933). "Television with cathode ray tubes". Journal of the IEE (73): 437–451.
9. "R.C.A. Officials Continue to Be Vague Concerning Future of Television". The Washington Post. 1936-11-15. p. B2.
10. Abramson, Albert (2003). The history of television, 1942 to 2000. McFarland. p. 18. ISBN 978-0-7864-1220-4. Retrieved 2010-01-10.
11. US 2071515, Farnsworth, Philo T., "Electron Multiplying Device" 
12. US 2071517, Farnsworth, Philo T., "Multipactor Phase Control" 
13. Abramson, A. (1987). The History of Television, 1880 to 1941. Jefferson: McFarland & Company. p. 159. ISBN 978-0-89950-284-7. OCLC 15366931. OL 2740120M.
14. ITT Industrial Laboratories. (December 1964). "Vidissector - Image Dissector, page 1". Tentative Data-sheet. ITT. Archived from the original on 2010-09-15. Retrieved 2010-02-22.
15. ITT Industrial Laboratories. (December 1964). "Vidissector - Image Dissector, page 2". Tentative Data-sheet. ITT. Archived from the original on 2010-09-15. Retrieved 2010-02-22.
16. ITT Industrial Laboratories. (December 1964). "Vidissector - Image Dissector, page 3". Tentative Data-sheet. ITT. Archived from the original on 2010-09-15. Retrieved 2010-02-22.

• 1933 in American television