Annunciator control circuit

Communications: electrical – Condition responsive indicating system – With particular system function

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Details

340524, 340525, 340653, 3408251, 34082517, G08B 2600

Patent

active

045062560

ABSTRACT:
An annunciator arrangement includes a segmented display unit with segments which may be selectively activated. There is also provided scanning means for scanning a fault line from each of a number of computer components such as voltage regulators to determine the presence or absence of a fault signal thereon. Logic circuitry is provided for selectively displaying on the segmented display units a numerical indication representative of the particular fault line upon which a fault signal has been detected. Such annunciator display is provided at the control panel of the computer rendering it unnecessary for the operator thereof to access the inward parts of the computer in order to determine which component of the computer is indicated as failing.

REFERENCES:
patent: 3665399 (1972-05-01), Zehr et al.
patent: 3940739 (1976-02-01), Quimet
patent: 3964302 (1976-06-01), Gordon et al.

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