ES430805A3 - Photoelectric apparatus for automatic lighting on and off control of lamps. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Photoelectric apparatus for automatic lighting on and off control of lamps. (Machine-translation by Google Translate, not legally binding)
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"PHOTOELECTRIC APPARATUS FOR AUTOMATIC CONTROL OF LIGHTING AND LIGHTING OF LAMPS", characterized by containing a photoelectric cell, which reacts to a lack of external light, preventing the passage of electrical current to a coil of a relay, which when de-energized closes the external circuit of use. (Machine-translation by Google Translate, not legally binding)
ES430805A1974-10-081974-10-08Photoelectric apparatus for automatic lighting on and off control of lamps. (Machine-translation by Google Translate, not legally binding)
ExpiredES430805A3
(en)
Photoelectric apparatus for automatic control of lighting of lamps and off at fixed time. (Machine-translation by Google Translate, not legally binding)