| 摘要 |
PURPOSE:To facilitate the recognition of the resetting by temporarily extinguishing or fully lighting a minute display means or the like when the second counting circuit was reset. CONSTITUTION:As a signal 9 comes from a switch 1, a single pulse signal 10 is generated at the output 3 from the signal through a waveform shaping circuit 2. The signal 10 resets a second counter 4. At this point, the pieces of time information 12 and 13 of a minute counter 5 and a hour counter 6 are at a low level while lighting is made. When a signal 10 is inputted, a high level is outputted forcibly to halt the hour and minute display functions to show extinguishment or full lighting in the display of a minute display circuit 7 and a hour display circuit 8. |
