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Title: Digital Light Projector
Url: http://ecee.colorado.edu/~bart/book/movie/movie5.htm
Creator: Van Zeghbroeck, Bart Jozef
Publisher: University of Colorado, Boulder. Dept. of Electrical and Computer Engineering
Description: This is a Quicktime animation of a Digital Light Projector. A digital light projector provides the capability to display a video or computer monitor signal on a projection screen. Such a projector stands out by its small size, low weight and rather unique use of MEMS. The internal light path starts with a bright halogen source, which is guided through the color wheel, reflects off the MEMS chip and is projected through the projector lens. A close-up of the color wheel and MEMS chip reveals the internal lens and beamsplitter. The micromirror chip is mounted in a package with a transparent window onto the printed circuit board. An even closer view shows the active element: a large array of little mirrors. Millions of these mirrors, each smaller than 20 micron, are packed onto the micromirror chip.
LC Classification: Science -- Physics -- Optics. Light
Science -- Physics -- Optics. Light -- Optical instruments and apparatus (General)
Technology -- Photography -- Cinematography. Motion pictures. Video recording -- Projection
Technology -- Photography -- Transparencies. Diapositives -- Projectors
GEM Subject: Science -- Engineering
Science -- Technology
Science -- Physics
Science -- Instructional issues
Key Concept: Computer science -- Microchips
Physics -- Optics and light
Resource Type: Demonstrations
Instructional Materials
MovingImage (DCMI Type Vocabulary)
Science Materials
Format: html
Audience: College/University Instructors
Higher Education
Secondary Education
Teaching Professionals
Technical School First Cycle
University First Cycle
Vocational Training
Language: English
Rights: Bart Van Zeghbroeck
Access Rights: Free access
Source Type: ATE Center
Source: NetWorks
Full Record Views: 27
Resource URL Clicks: 1
Cumulative Rating: NOT YET RATED
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