发明名称 TIME CORRECTION SYSTEM OF ELECTRONIC WATCH
摘要 PURPOSE:To enable the time to be corrected with ease without checking correction mode and prevent malfunction in the case of correcting the time by letting external operating members be exclusive operating member for the minute or hour correction. CONSTITUTION:The buttons 2, 3 protruding to the outside circumference of a watch 1 interlock to switches S1, S2 respectively. When the button 2 is pushed to turn the switch S1 ON, a one-shot pulse generating circuit 5 emits one pulse, by which the minute correction is accomplished. When the button 3 is pushed to turn the switch S2 ON, a one-shot pulse generating circuit 11 emits one pulse, by which the hour correction is accomplished. To make fast-feed correction of the minute, the button 3 is kept pushed after pusing the button 2 and to make fast-feed correction of the hour, the button 2 is kept pushed after pushing the button 3, then respectively the minute fast feed pulses hour fast feed pulses are outputted.
申请公布号 JPS551562(A) 申请公布日期 1980.01.08
申请号 JP19780074662 申请日期 1978.06.20
申请人 RICOH KK 发明人 KEIRA TADAHIRO;SAKAI TOSHIHIKO
分类号 G04G5/02;G04G5/04 主分类号 G04G5/02
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