Signal switching apparatus

Details Signal switching apparatus Signal switching apparatus

H - Electricity

04

N

350/20

H04N 7/16 (2006.01)

Patent

CA 2038418

ABSTRACT Apparatus is provided for switching traps in and out of a cable television signal path. A plurality of double pole double throw switches is connected in series with the signal path. Each switch has a first actuated position, a second actuated position, and an off position. The switches connect corresponding traps to the signal path in the first actuated positions. In the second actuated positions, the switches provide a through connection in series with the signal path. An open circuit is provided along the signal path when a switch is in the off position. Actuation and disconnect signals transmitted over the cable television network selectively actuate the switches to the first, second, or off positions. The switches are constructed of solid-state components such as diodes, and are actuated by unipolar biasing signals.

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