| 摘要 |
<p>Unidirectional segmented digital timekeeping systems are provided by multiple display elements (9, 10) which are activated to display current hour digit(s) and four selected groups (7, 8, 11, 12) of respective elapsed minute digits which traverse around the hour digit in successive segments of relatively upper and lower quarter hour positions (11, 12) on the right side and during the first half of the current hour, followed by relatively lower and upper quarter hour positions (7, 8) on the left side and during the second half of the current hour.</p> |
