DMD-based projector for institutional use

Details DMD-based projector for institutional use DMD-based projector for institutional use

1996-12-11

1999-11-23

Peng, John K.

Television

Video display

Projection device

348771, 348761, 348764, 348448, G02F 100, H04N 327, H04N 546

Patent

active

059909820

ABSTRACT:
A baseline display system (10) is capable of receiving different types of input signals, analog or digital, having different horizontal and vertical input resolutions. The system uses serial video processors (SVPs) (33, 34, 43, 83) that have a given input size and spatial light modulators (SLMs) (18) that have a given output (display) resolution- The baseline system (10) is configurable to meet bandwidth requirements for displaying real time images on SLMs of increasing resolution. Data is decimated (downscaled) when appropriate to fit the SVP input size (FIGS. 4 and 8) and upscaled, vertically or horizontally, when appropriate to fit the SLM display resolution (FIGS. 3, 4, 7, and 8). Four systems (20, 50, 60, 90) , each appropriate for a different SLM resolution are described.

REFERENCES:
patent: 5488431 (1996-01-01), Gove et al.
patent: 5490009 (1996-02-01), Venkateswar et al.
patent: 5526051 (1996-06-01), Gove et al.
patent: 5671018 (1997-09-01), Ohara et al.
patent: 5777589 (1998-07-01), Gale et al.

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