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Title: Seven-segment display arrangement and liquid fuel dispensing pump embodying the same

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.


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Inventors: Buchanan, Donald George (Bottisham, EN)

Application Number: 466517
Filing Date: 1974-05-02
Publication_date: 1976-03-09
Assignee: Dresser Europe S.A. (Brussels, BE)
Primary Class(es): 340/642 345/34
Other Classes:
US Patent Ref:
3139753Jul, 1964Brudner340/324.
3548403Dec, 1970Johnson340/324.
3580421May, 1971Bickford340/336.
3581308May, 1971McNaney340/336.

Other Refs:
Primary Examiner: Curtis, Marshall M.
Assistant Examiner:
Attorney: Johnson, Jr.; William E.