Decoding circuit

Details Decoding circuit Decoding circuit

1980-04-25

1981-12-22

Caldwell, Sr., John W.

Communications: electrical

Condition responsive indicating system

Specific condition

340 52F, 340636, 340662, 340663, 340664, G08B 1900

Patent

active

043073891

ABSTRACT:
A circuit for sensing a plurality of inputs, each of which have a plurality of condition states, and providing a visibly coded output signal to a single indicator lamp, or the like, whereby one may readily determine the various condition states. The circuit is exemplified in an automotive voltage and current sensing system which senses the conditions of normal voltage, overvoltage, undervoltage and battery discharge. The circuit commands a single lamp to be off, to flash rapidly, to light continuously, or to flash slowly in correspondence to the particular sensed condition.

REFERENCES:
patent: 3503062 (1970-03-01), Witzke et al.
patent: 3550105 (1970-12-01), DeCola et al.
patent: 3577064 (1971-05-01), Nercissian
patent: 3673588 (1972-06-01), Riff
patent: 3693110 (1972-09-01), Briggs, Jr. et al.
patent: 3877001 (1975-04-01), Bogut et al.
patent: 3927399 (1975-12-01), Fuzzell
patent: 3964039 (1976-06-01), Craford et al.
patent: 3999176 (1976-12-01), Kellogg et al.
patent: 4056765 (1977-11-01), Scheidler et al.
Silicon General Data Sheet; Nov. 1978, Linear Integrated Circuits, SG1543/SG2543/SG3543.
RCA Solid State Division, Application Note ICAN-6267, pp. 407-414, Nov. 1973, "Astable and Monostable Oscillators Using RCA CDS/MOS Digital Integrated Circuits" by Dean et al.

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