Wire telecommunications line remote control having unit with stored energy line passed with stored energy detector/transmission switch transmitting wire line signal response when energy level passed.

摘要

The wire telecommunications line remote control has a unit (1) connected (4) to the wire line. Energy is stored (200) and passed to the wire line (2) as an alternating signal. There is a stored energy detector and transmission switch (300) transmitting a response signal on the wire line when the energy level is passed.