A-T-O Inc.

Sarkis V Kalustian

Bryan D Ulch

A line monitoring system is disclosed which provides particular advantages to security systems having remote terminals. This system provides both a reduction in the required power for the line monitoring task and also increases the level of line security by generating a calculated response at the remote terminal, which calculated response could not be accidentally produced by a faulty remote unit. Futhermore, the calculated response at the remote unit greatly reduces the likelihood of clandestine entry at the remote site.

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North Hollywood, CA, United States of America

Sarkis V Kalustian