Alarm console controls

Communications: electrical – Continuously variable indicating – With meter reading

Patent

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Details

34082537, 340521, 340517, H04Q 100, G08B 2900

Patent

active

045715866

ABSTRACT:
An alarm console is provided which selectively generates audio signals in an ordered priority basis when there is a simultaneous request for two or more tone signals. The priority is from voice paging, highest priority; test mode, to test individually selected alarm tones; keyboard tone selection; automatic priority tone in response to a detected condition; automatic non-priority signal tone in response to a detected condition; and a lowest priority signal which typically comprises background music.

REFERENCES:
patent: 3823375 (1974-07-01), Wycoff
patent: 3964047 (1976-06-01), Antonaccio
patent: 3978479 (1976-08-01), Schmitz
patent: 4015237 (1977-03-01), Takatani et al.
patent: 4052720 (1977-10-01), McGregor et al.
patent: 4057798 (1977-11-01), Ellson
patent: 4375637 (1983-03-01), Desjardins
patent: 4400694 (1983-08-01), Wong et al.
patent: 4468655 (1984-08-01), Iwata

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