A reset system for a telephone answering machine which, in the event of power failure, or disconnection from the power source, will reset the telephone answering machine when power is restored to the condition it was in prior to the power failure. The system is applicable to both single tape machines...http://www.google.de/patents/US4731815?utm_source=gb-gplus-sharePatent US4731815 - Reset system for telephone answering machine in the event of a power failure
