| 摘要 |
<p>1,000,240. Time switches. MITSUBISHI DENKI KABUSHIKI KAISHA. Feb. 23, 1962 [Feb. 25, 1961], No. 7102/62. Heading H2B. [Also in Division G3] A time indicating and control device comprises a photo-sensitive unit SRU which controls a driving motor M which through a speed changing unit SCU drives an hour dial to which settable switch actuating members 72, 74 are attached. The arrangement is used to switch a utilization device, e.g. an electric lamp, on and off, and the photo-sensitive unit is made responsive to sunrise and sunset. The hour dial is driven twice as fast between sunset and sunrise as it is after sunrise and is stopped after one revolution, being restarted at sunrise. Specification 1,000,239 is referred to.</p> |
