REAR PROJECTION SYSTEM WITH A FOLDABLE PROJECTION SCREEN FOR MOBILE DEVICES

摘要

Back projecting system (100) include screen (103) have surface of expandable be that selectable be exaggerated shows projected image on it, according to after pass through rear pico-projector (131). Screen optionally shrinks enhancing portability. Back projecting system, including a foldable frame (104) are optionally unfolded to be used to support screen (103), and selectively fold enhancing portability. Sensor (110; 133), for changing pictures touch screen when screen surface extends.