Voice operated relay

Patent

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Details

H03F 372

Patent

active

040063097

ABSTRACT:
A voice operated relay system is disclosed which includes signal processing ircuitry for receiving and discriminating with respect to human speech signals and for actuating a relay in response thereto. A power supply test is also included, as well as circuitry for preventing relay drop out due to input speech hesitations. The preferred embodiment of the subject system is disclosed as a means of enabling a cassette recorder and for causing it to record said human speech signals at either near or remote locations.

REFERENCES:
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patent: 3079463 (1963-02-01), Feldman
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patent: 3569840 (1971-03-01), Tanaka
patent: 3730995 (1973-05-01), Mathews
patent: 3746789 (1973-07-01), Alcivar
patent: 3821649 (1973-02-01), Grosjean
patent: 3873926 (1975-03-01), Wright
patent: 3924070 (1975-12-01), Seaver

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