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The first commercially available Thermofax machine was the Model 12. The 'layup' of the original and the copy paper was placed on a stationary glass platen and an infrared lamp and reflector assembly moved beneath the glass, radiating upwards. The layup was held in position by a lid with an inflatable rubber bladder that was latched down by the ...
In contrast, a modern LCD or DLP projector often uses an Ultra-high-performance lamp which has a higher luminous efficacy and lasts for thousands of hours. [5] A drawback of that technology is the warm up time required for such lamps. Older overhead projectors used a tubular quartz bulb which was mounted above a bowl-shaped polished reflector.
Kodascope is a name created by Eastman Kodak Company for the projector it placed on the market in 1923 as part of the first 16mm motion picture equipment. The original Kodascope was part of an outfit that included the Cine-Kodak camera, tripod, Kodascope projector, projection screen, and film splicer, all of which sold together for $335. [1]
Two projectors mounted in a special pedestal allowing twice the brightness. ... Available as 72 or 120-inch (3,000 mm) model: PT-106 [29] Panasonic: 8 inches ...
3M Launches First-of-Its-Kind Streaming Projector 3M Streaming Projector Uses New Roku® Streaming Stick Providing Access to Hundreds of Channels Practically Anywhere ST. PAUL, Minn.--(BUSINESS ...
A projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen. Most projectors create an image by shining a light through a small transparent lens , but some newer types of projectors can project the image directly, by using lasers .
By 1961, slide projectors had become Sawyers' second-most-profitable product. [15] A new model introduced in 1963 was known as the Sawyer's Rotomatic and used upright circular trays, called Rototrays, to hold the slides (100 per tray). [16] Sales totaled $8.6 million in 1961 and $9.1 million in 1962.
35 mm movie projector in operation Bill Hammack explains how a film projector works. A movie projector (or film projector) is an opto-mechanical device for displaying motion picture film by projecting it onto a screen. Most of the optical and mechanical elements, except for the illumination and sound devices, are present in movie cameras.