发明名称 Timer switch assembly
摘要 A device for randomizing the operation of an electrical switch such that it can be used to switch electrical devices at random time intervals. This device uses a mechanism which periodically disconnects a drive train from a motor, randomizes the position of the drive train, and uses the resultant position of the mechanism to trip an electrical switch.
申请公布号 US3935404(A) 申请公布日期 1976.01.27
申请号 US19740516794 申请日期 1974.10.21
申请人 PERSSON, HOLGER 发明人 PERSSON, HOLGER
分类号 H01H43/00;(IPC1-7):H01H43/00 主分类号 H01H43/00
代理机构 代理人
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