| 摘要 |
PCT No. PCT/SE94/00252 Sec. 371 Date Oct. 21, 1996 Sec. 102(e) Date Oct. 21, 1996 PCT Filed Mar. 22, 1994 PCT Pub. No. WO94/22047 PCT Pub. Date Sep. 29, 1994A projector which projects a flat picture or image in a horizintal plane onto a vertical screen. Because the projection optic used is arranged above one corner of a four cornered picture and can be rotated about a vertical axis the projector can be placed not only on one side of the projected picture, which is thus not obstructed by the projector and it's operator, but alternatively to the either side thereof. The picture can be square or rectangular. The invention can be applied both with overhead projectors and with TV type projectors. |
