placed on the glass enclosure of a meeting area. in the event the glass is transparent, one can see into or out in the place, and when it's non-clear it can be used as a projection display screen. ???? ????? ????? : ?????????? ?????? ? ????? ??????? ?? ???? ???? ? ?? ???? ????? ???? ???? ??? ??????? ????? ?? ????? ?? ???????? ?????? ? ????? ?? ??

????? ?????? ???? ??? ????? ??? ???? ?? ?????? ????????? ????? ????? ?????? ?????? ?? ???? ???? ??? ?? ?? ????? ?? ??????? ???? ????? ???? ???: ??? ??? ?????? ??????? ????????? ???? ?? ?????? ?????? ????? ?? ???? ????? ??????? ?? ????? ????: ????? ?????? ?????? ?????? ???? ????? ???? ???? ????? ?????? ???? ??? ???????? ????? ?????? ?????? ????? ?