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The company also features SmartMat, which is designed to monitor pedestrian traffic such as counting humans walking in and out of buildings or to and from events. Funded by the Centers for Disease Control and Prevention, the Smartmat system connects to the Internet for ease of tracking and can run off battery or AC. [3]
"We used overhead projectors and color wheels, strobes, clock faces, and dishes in various sizes. We mixed dyes, liquids, and oils and manipulated them. We used as many as a dozen carousel slide projectors or other slide projectors and as many as five movie projectors that would run either reels or loops.
Simulation of a spinning zoopraxiscope An early projector and seats from a movie theater. The main precursor to the movie projector was the magic lantern.In its most common setup it had a concave mirror behind a light source to help direct as much light as possible through a painted glass picture slide and a lens, out of the lantern onto a screen.
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Maxell was formed in 1960, when a dry cell manufacturing plant was created at the company's headquarters in Ibaraki, Osaka.In 1961, Maxell Electric Industrial Company, Limited was created out of the dry battery and magnetic tape divisions of Nitto Electric Industrial Company, Limited (now Nitto Denko Corporation).
One top-rated choice is the Big Red Rooster White Noise Sound Machine ($20 with on-page coupon, down from $30), which includes six different sounds (rain, ocean, etc.) and can run off batteries or ...
A three-chip DLP projector uses a prism to split light from the lamp, and each primary color of light is then routed to its own DMD chip, then recombined and routed out through the lens. Three chip systems are found in higher-end home theater projectors, large venue projectors and DLP Cinema projection systems found in digital movie theaters.
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