Automatic on-hook arrangement

Details Automatic on-hook arrangement Automatic on-hook arrangement

1987-10-06

1990-02-20

Brown, Thomas W.

Telephonic communications

Audio message storage, retrieval, or synthesis

Multilingual system or operation

379190, 379355, 379389, H04M 127

Patent

active

049032917

ABSTRACT:
An automatic on-hook arrangement which includes a voice detecting circuit for detecting input voice from a micro-phone, a timer for measuring time in which the input voice from the micro-phone is not detected, a warning section which emits warning upon measurement of a predetermined time by the timer, a warning releasing switch for releasing the warning, a telephone line control circuit for cutting off a telephone line, and a control section connected to each of the above components. The warning section emits the warning when the input voice is not detected for the predetermined time by the voice detecting circuit, and the telephone line control circuit cuts off the telephone line when the warning is not released, and further, the input voice is not detected for another predetermined time.

REFERENCES:
patent: 3864520 (1975-02-01), Owen

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