ES177794U - Device for the remote control of electrical appliances through telephone network. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Device for the remote control of electrical appliances through telephone network. (Machine-translation by Google Translate, not legally binding)
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Publication of ES177794YpublicationCriticalpatent/ES177794Y/en
Device for the remote control of electrical appliances through the telephone network, characterized in that it essentially comprises an electrical relay powered by auxiliary energy, and a switch box interposed between the electrical supply and the apparatus to be controlled, said relay being connected by a part to a telephone set located in the place where the control of the interested device is to be carried out, and on the other hand it is to the switching box, which is governed by said relay and connected or disconnected from the electrical supply the apparatus to be controlled. (Machine-translation by Google Translate, not legally binding)
ES1972177794U1972-03-011972-03-01
DEVICE FOR REMOTE CONTROL OF ELECTRICAL APPLIANCES THROUGH THE TELEPHONE NETWORK.
ExpiredES177794Y
(en)
Means for the command of the sense of conversation in high voice communication appliances (Machine-translation by Google Translate, not legally binding)
Case for microtelephonic devices, equipped with a folding and folding rotary microphone on the electric switch (Machine-translation by Google Translate, not legally binding)
Improvements in the devices for the power supply and protection of electrical current lines (Machine-translation by Google Translate, not legally binding)
Improvements in the devices for the power supply and protection of electrical current lines (Machine-translation by Google Translate, not legally binding)
Lever for connecting and disconnecting the current from a distance in the high-voltage disconnectors. (Machine-translation by Google Translate, not legally binding)