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Collecting and history of CRT tubes and physics instruments ... RCA's Rose, Law and Weimer managed in 1945 to produce the first usable Image Orthicon. The biggest difficulty was to make the grid with; 1600 holes per square mm, this was important for the image resolution of the tube.
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members.chello.nl/~h.dijkstra19/page4.html
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LabGuy's World: A fully restored 1948 Dumont Image Orthicon Camera ... Jorge's newest friend, Carlos Gomez, had located this spiffy old Image Orthicon TV Studio Camera in a Buenos Aires automobile junk yard in October of 1994. Carlos wheeled and dealed and took this beautiful piece of technological history home for a charm!
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www.labguysworld.com/Orthicon.htm
www.labguysworld.com/Orthicon.htm
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this chapter are the image orthicon and the vidicon. ... The image orthicon tube (fig. 8-9) is an ... Page Title: Figure 8-9.--Structure of image orthicon. Back | Up | Next...
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www.tpub.com/content/navyict/14120/141200334.htm
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www.imageorthicon.com/
www.imageorthicon.com/
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These mid-50's style cameras used image orthicon tubes to create NTSC television pictures. The I.O. tube (AKA 'orth') was a workhorse of the broadcast industry for twenty years but early versions suffered from image retention.
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www.big13.com/Facilities/facilities_cameras.htm
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For an excellent discussion of the difference between the first two television camera tubes, the iconoscope and the image dissector, please see this article by James O'Neal. A collection of early camera and video storage tubes has been donated to the museum by Chuck Azzalina. ... RCA 5820 Image Orthicon (late 40s)
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www.earlytelevision.org/camera_tubes.html
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An Image Orthicon tube is a vacuum tube used in early television cameras to take the television picture. It changes light from the scene being televised into electronic signals.
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www.acmi.net.au/AIC/IMAGE_ORTHICON.html
www.acmi.net.au/AIC/IMAGE_ORTHICON.html
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The image was formed on a high speed fluorescent screen, and the light produced focused onto the target of an Image Orthicon. In order to utilize as much of the available light as possible a mirror optical system was used.
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www.xrayengineering.co.uk/orthicon.htm
www.xrayengineering.co.uk/orthicon.htm
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United States Patent 3474511 ... US Patent References:; Method of providing an electrically conductive network on a support of insulating material; - - 2874449; Manufacture of delicate grids; - - 2878549; Method of manufacturing pickup tubes; ... - - 3196515; Method for makng a direct writing cathode ray tube; - -
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www.freepatentsonline.com/3474511.html
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