| 摘要 |
A multimedia system of reciprocal projection comprises a visual information device as a screen with film of direct, back or two-way projection applied on transparent and/or semitransparent material, e.g. glass or plastic, projector connected to the screen and digital signal source connected to the projector. In addition it comprises a video- or web-camera to be wirelessly connected to other devices and/or Internet, and personal computer is used as a digital signal source enabled of data storage and with wire or wireless access to Internet. |
