| 摘要 |
PURPOSE:To enable call of calendar display to be rapidly performed by changing over rapid feed frequencies in several stages and letting changing over from low speed fast feed to high speed fast feed to be automatically accomplished by the time when the changeover switch thereof is held ON. CONSTITUTION:A display device 21 normally displays the contents of the respective outputs A, B, C of a month counter 6, year counter 7 and calendar counter 9. When SW1 is turned ON, the outputs A, B, C are preset respectively in up-down counters 11, 12, 14 for the month, year, calendar by the preset signal (a) outputted in a preset circuit 10, and at the same time changeover circuits 15, 16, 17 connect outputs D, E, F to the display device 21 via decoder drivers 18, 19, 20. By turning ON SWII, SWIII in this state, the calendars of the future and past are called and displayed in the display device 21. When SW1 is again turned ON, the current calendar is displayed in the display device 21. |
