Back-up system for the supply of voltage in television cable...

Details Back-up system for the supply of voltage in television cable... Back-up system for the supply of voltage in television cable...

H - Electricity

02

J

H02J 9/02 (2006.01) H02J 9/06 (2006.01) H04N 7/10 (2006.01)

Patent

CA 2160747

The present invention relates to a back-up system for the supply of electric voltage in television systems to main and secondary amplifiers in case of electric faults by way of switching means, e.g. a relay, triak, a transistor, etc. Said switching means are automatically actuated when an electric fault occurs causing change of direction. The switching means are advantageously located within the trunk and connected to an in/out supply socket or other suitable means. Several systems for the connection of the switching means to the electric source are described.

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