| 摘要 |
A seven segment display device for forming a centered number 1. Six of the segments are disposed on the sides of a quadrangular surface. Each of two long sides of the surface are provided with a pair of segments, with each of the pair of segments including a longitudinal portion lying on the long side of the surface and a transverse portion pointing toward the center of the surface. The transverse portions are arranged adjacent each other at approximately the middle of the long sides. The transverse portions of each pair of segments are extending towards but spaced from the transverse portions of the other pair of segments. Each of the short sides of the surface are provided with a segment. The seventh segment is provided on the longitudinal axis of the surface between said transverse portions.
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