JPS6273290U

JPS6273290U -

Info

Publication number: JPS6273290U
Application number: JP16630185U
Authority: JP
Priority date: 1985-10-28
Filing date: 1985-10-28
Publication date: 1987-05-11

Description

[Brief explanation of drawings]

第１図は本考案を適用したデジタル表示時計の
実施例を示すブロツク回路図、第２図は第１図の
動作を示す動作説明図。６……基準信号発生回路、１４……計時回路、
１６……時刻表示回斑、２８……正時前後期間検
出回路、３６……表示切換回路。 FIG. 1 is a block circuit diagram showing an embodiment of a digital display timepiece to which the present invention is applied, and FIG. 2 is an operation explanatory diagram showing the operation of FIG. 1. 6... Reference signal generation circuit, 14... Timing circuit,
16... Time display frequency, 28... On-the-hour period detection circuit, 36... Display switching circuit.

Claims

[Scope of Claim for Utility Model Registration] A reference signal generation circuit that generates a time reference signal, a clock circuit that counts the time reference signal and outputs a time signal, and a clock circuit that receives a minute signal and an hour signal from the clock circuit. a time display circuit that displays the minute time corresponding to the minute signal in the minute digit and the hour time corresponding to the hour signal in the hour digit; a period detection circuit before and after the hour for detecting a period until after a certain period of time has elapsed; and a period detection circuit that detects either a minute signal or an hour signal supplied to the time display circuit according to a period detection signal from the detection circuit. A digital display timepiece characterized by comprising: a display switching circuit for switching to a second signal from a second signal;