projector

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projector 

An optical instrument that forms a magnified image of an object (e.g. a slide) onto a screen.
References in periodicals archive ?
Overhead projectors, popularized in business and educational settings during the 1950s to 1960s, worked on the same principle as 35-mm slide projectors. However, unlike slide projectors, overhead projectors projected images from transparent sheets of cellulose acetate.
In the late 1990s, I replaced the slide projector with a computer running Microsoft PowerPoint.
Capability: ShapeSnatcher version three transforms slide projector and digital camera shots into high-resolution, three-dimensional models or scanned systems.
Samples can be loaded onto a tray similar to a carousel in a slide projector, and 50 samples can be tested in an hour.
IT USED TO BE THAT BACKUP technology for off-site meetings consisted of an extra slide projector. In those days, the most important consideration for business travelers was a comfortable bed, and a copy machine at the front desk was a real bonus.
In addition, the luminance of the light emitted from the slide projector did not change; thus, as the slide image increased from about 1.6 cm (0.625 in) to almost 25.4 cm (10 in), the luminance of the image on the screen decreased.
Use of tools such as a slide projector or video player for training are common in industry and in the classrooms.
According to the company, it's as easy to set up and use as any Liquid Crystal Display video or slide projector.
With the aid of an old slide projector and a plentiful supply of pictures from the past, Goncalves involves Golpiez in a talking cure reminiscent of Pinget's inquisitive interviewer in The Inquisitory: "Tell me something concrete instead of whining, he said.
Since the slide projector has been around for decades, why are theatre artists only now turning to projections as a design solution?
In a single-site classroom, this is frequently done via an overhead projector, a slide projector, by writing on a whiteboard, or by displaying a paper document that is visible to the class.
The computer screen and keyboard, telephone, television and VCR, CD player, and slide projector and screen are all hidden from sight, yet immediately available with the touch of a flush keypad installed in the desk.