| 摘要 |
PURPOSE:To realize the setting of time down to a 1-minute digit with a simple operation, by setting each digit of hour, 10min and 1min by means of the switches provided at the index positions between 1 o'clock through 12 o'clock. CONSTITUTION:When a touch is given to either one of the touch plates 3a-3l provided at the index positions between 1 o'clock through 12 o'clock at a time setting part 2, the corresponding FF is set to set the hour digit to a prescribed latch circuit. Then the set hour digit number is displayed at a display part 4 via a decoer. After this, the 10-minute digit is set by the plates 3a-3l plus ''0'' display 3j and via another latch circuit of the same constitution and then displayed at the part 4. Furthermore the setting and display are performed for the 1-minute digit by the subsequent plates 3a-3j. As a result, the standard time, etc. can be set down to a 1-minute digit wit a simple and accurate way. |
