Sundial has an imaging arrangement that reproduces light or shadow on a display dependent on the actual position of the sun, whereby the imaging arrangement has one or more light guidance devices

摘要

Sundial has a display device (1) and an imaging arrangement (2) that reproduces light or shadow on the display dependent on the actual position of the sun. The display device is mounted radially to the apparent daily path of the sun and tracks the light path between the sun and the middle point (M) of the display. The imaging arrangement has one or more light guidance devices (4).