Method and a system for remotely switching an electrically...

Details Method and a system for remotely switching an electrically... Method and a system for remotely switching an electrically...

H - Electricity

04

M

379/8

H04M 11/00 (2006.01)

Patent

CA 1274328

A METHOD AND A SYSTEM FOR REMOTELY SWITCHING AN ELECTRICALLY OPERATED DEVICE BY THE USE OF SIGNALS GENERATED BY A TELEPHONE ABSTRACT A switching system and a method of remote switching an electrically operated device by using calling signals generated by a telephone. A switching element is actuated by the system upon detecting a specific code of the calling signals generated by the telephone and validating a predetermined number of these calling signals. The calling signals are treated by a processing circuit which in turn conditions circuit elements to actuate the switching. More specifically, but not exclu- sively, the calling signals are sound signals generated by the telephone and the switching system is located in proximity to the telephone source whereby to receive the sound signals.

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