System and method for viewing projected light from portable...

Optical: systems and elements – Projection screen

Reexamination Certificate

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Details

C359S461000, C353S079000

Reexamination Certificate

active

07821709

ABSTRACT:
An apparatus is disclosed which may include a sheet of reflective material suitable for forming a display screen; a screen control mechanism operable to move the reflective material into extended and retracted positions, wherein the apparatus is portable and configured to receive image data from a hand-held projection device.

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patent: 7623290 (2009-11-01), Liang et al.
patent: 2008/0204870 (2008-08-01), Choi

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