公开(公告)号：US3910030A

公开(公告)日：1975-10-07

申请号：US39712373

申请日：1973-09-12

Applicant: ISE ELECTRONICS CORP

Inventor： IWADE MOTOO

IPC: G04C17/00 ,  G04G5/04 ,  G04G9/10 ,  G04B19/30 ,  G04B9/00 ,  G04C9/00

CPC classification number: G04C17/00 ,  G04G5/04 ,  G04G9/10

Abstract: A digital clock comprises a plurality of luminous digit display tubes which are arranged to display times, a source of clock pulse of a predetermined frequency, and electronic counter means responsive to the clock pulse for operating the digit display tubes in a predetermined sequence.

Abstract translation: 数字时钟包括被布置为显示时间的多个发光数字显示管，预定频率的时钟脉冲源，以及响应于用于以预定顺序操作数字显示管的时钟脉冲的电子计数器装置。