Two- and Three-Dimensional Image Display
Original Publication Date: 1987-Mar-01
Included in the Prior Art Database: 2005-Feb-01
To permit the display of both two- and three-dimensional images on the rotating helix of a display system, the helix is shortened such that its vertical projection does not cover a full circle. Through the resultant wedge, a laser beam may also write a two-dimensional image on the front face of the imaging space without impinging upon the helix. The partially perspective and sectional view of German Patent 26 22 802 shows a stationary transparent hollow cylinder 1, made of glass, which is arranged concentrically to axis 2. Within hollow cylinder 1, a display screen 3, shaped as a single helicoidal surface (helix), is arranged concentrically to and rotatably about axis 2 in the direction marked by arrow 4. Display screen 3 is clamped in a container 5 which is open at one end and positioned concentrically to axis 2.