| 摘要 |
PURPOSE:To give alarm at the same time on a desired day of a week by effectively using the output of alarm circuit when coming day of a week set by weekday counter and the specified day of a week on the register are agreed. CONSTITUTION:According to the day of the week counted by the weekday counter 8, corresponded ''and'' gate 22... is opened and high level bit signal of the set weekday on the register 16 opens ''and'' gate 24 in the gate 22 by passing through the ''or'' gate 23. By this reason, only when the coming day and the set day of the week are agreed, coincidence signal of the set time and coming time, juedged by the decision circuits 9 and 10, becomes effective by passing through the gate 24, and alarm information is given. Display of the day can be distiguished from general display by changing the brightness and colors corresponding to the agreement of set and coming day of the week. |
