发明名称 WATER FOUNTAIN CLOCK
摘要 A water fountain clock, including nozzles, each selectively producing water columns in the form of one of numerals zero to nine. The nozzles are connected to flow control means, which are regulated by a timer generating output signals in a certain time sequence. Whereby, the numerals indicated by the water columns are varied in a suitable time sequence, so as to digitally indicate correct time by the water columns.
申请公布号 US3635402(A) 申请公布日期 1972.01.18
申请号 USD3635402 申请日期 1970.03.31
申请人 KOREICHI KAWAMURA;YOSHIKO KAWAMURA;KOICHI KAWAMURA 发明人 KOREICHI KAWAMURA;YOSHIKO KAWAMURA;KOICHI KAWAMURA
分类号 B05B17/08;G04B25/00;G04B45/00;G04C17/00;G09F19/02;(IPC1-7):B05B17/08 主分类号 B05B17/08
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