| 摘要 |
<p>A display assembly comprises a plurality of elements mounted in an array to form spaced parallel rows. Each element in each row has at least two signal faces and is rotatable about a common axis of its respective row to expose a signal face at a presentation surface (8). At least one setting station (24) is disposed adjacent one side of the array and has a number of actuators (26) arranged in a line parallel to the rows. The array of elements is movable relative to the setting station or stations (24) in a direction perpendicular to the rows and each actuator (26) is adapted to selectively engage an element during such movement to determine which signal face thereof is exposed. In this way, a full traverse of the array by a setting station (24) creates a predeterminable image comprising exposed signal faces at the presentation surface.</p> |
