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Multi-Functional Micro Projection Device as Screen Substitute for Low Power Consumption Computing

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Author(s): Yuval Kapellner | Zeev Zalevsky

Journal: Journal of Low Power Electronics and Applications
ISSN 2079-9268

Volume: 2;
Issue: 1;
Start page: 79;
Date: 2012;
Original page

Keywords: portable micro projector | low power computing | electro-optics

ABSTRACT
One of the major power consuming components in a computer is its display unit. On average the screen consumes ten times more power than the DSP processor itself. Thus, reducing the power consumption should be one of the most important tasks in the development of low power consumption computing systems. In this paper we present one possible solution involving micro projection device based upon lasers and a digital light processing (DLP) matrix which is a matrix of electrically controllable mirrors capable of translating electrical signal to a time varying projected image. It can serve to substitute a screen and consume ten times less power than a conventional screen. The described device is a multifunctional highly efficient customized DLP light engine being capable of serving as an image projector and simultaneously to support range and topography estimation measurements.
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