Seven-segment display arrangement and liquid fuel dispensing pum

Details Seven-segment display arrangement and liquid fuel dispensing pum Seven-segment display arrangement and liquid fuel dispensing pum

1974-05-02

1976-03-09

Curtis, Marshall M.

Communications: electrical

Systems

Call station

340336, G09F 932

Patent

active

039435008

ABSTRACT:
A seven-segment display arrangement has one or more seven-segment display devices each with a common anode and a cathode for each segment, and a diode connected to each cathode is arranged so that on failure of a segment the cathode current is drawn by the diode and is used to initiate a warning signal. Principal application for the display is in a liquid fuel dispenser where the display may be mounted in encapsulated form on the dispensing nozzle.

REFERENCES:
patent: 3139753 (1964-07-01), Brudner
patent: 3548403 (1970-12-01), Johnson
patent: 3580421 (1971-05-01), Bickford
patent: 3581308 (1971-05-01), McNaney

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